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I have one of the 2012 Nexus 7s that turned INCREDIBLY sluggish after about 6 months. It is to the point where I don't even use it anymore, my wife uses it to read and I've gone back to my iPad 2 (ugh).
I've read that the problem with the OG Nexus 7 was the flash memory that Asus used, it degraded quickly or caused bottlenecks, or wasn't trimmed properly, etc.
Can someone that is really familiar with this (not just guessing) tell me if the hardware on the Nexus 7 (2013) is built to prevent this? I really want the new N7 because it was the only Android tablet I've bought (also bought XOOM and Transformer) that could replace the iPad 2 for me.
I'm no memory genius, but I did some searching around, followed some blogs and it seems the problem was the actual speed of the memory.
and after seeing comparrison benchmarks, the internal memory on the 2nd Generation was about 2X as fast as the 1st gen. so, while it seems they put in nicer memory, We'll have to wait and find out.
FWIW, i never had a problem with my OG N7, neither did my wife with Her's. both were day 1 purchases.
edit: Source: http://www.androidpolice.com/2013/0...-just-how-much-faster-is-it-a-lot-apparently/
The main problem with the old N7 even the TF700 (both Tegra 3 devices) was the single channel memory, as well the lousy NAND that was put in the devices which really caused it to lag.
The NAND is by far sub-par on the device and that a MicroSD card can typically help increase the performance by placing all the data on it is pretty bad as MicroSD cards in itself are pretty slow as well even for the best ones.
i got the new one. i feel as tho there is still some slight lag in certain programs. even though it has 2gigs of ram, i would have thought it would be flawless and smooth. maybe it's beccause i just turned it on and started using it. but i can tell you that the chrome browser is way faster on 4.3 than 4.2.2.
also the sound is loud and clear! screen resolution is unbelievable. but with 2gigs of ram, i expected it to be much smoother.
mrazndead said:
i got the new one. i feel as tho there is still some slight lag in certain programs. even though it has 2gigs of ram, i would have thought it would be flawless and smooth. maybe it's beccause i just turned it on and started using it. but i can tell you that the chrome browser is way faster on 4.3 than 4.2.2.
also the sound is loud and clear! screen resolution is unbelievable. but with 2gigs of ram, i expected it to be much smoother.
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Click to collapse
i just got the new one and it was a bit sluggish until i took the latest OTA. now i'm on JSS15J build it is running really really smooth. love it so far.
Did you run fstrim ("Lagfix.apk") on your original N7?
For what it's worth, Android Police has benchmarked it and said that it's working reasonably well - better than the original. If this is your concern, though, I would wait for Anandtech to review it. They were extremely concerned about flash performance last time around, and I think they'll cover it in their review this time around.
And yes, the JSS15J build does make a hug difference in fluidity. Definitely worth getting it.
I just ran AndroBench not sure how it compared to other current tablets.
Sequential Read 58.8 MB/s
Sequental Write 14.29 MB/s
Random Read 12.01 MB/s 3074 IOPS(4K)
Random Write .84MB/s 216 IOPS(4K)
vnangia said:
Did you run fstrim ("Lagfix.apk") on your original N7?
For what it's worth, Android Police has benchmarked it and said that it's working reasonably well - better than the original. If this is your concern, though, I would wait for Anandtech to review it. They were extremely concerned about flash performance last time around, and I think they'll cover it in their review this time around.
And yes, the JSS15J build does make a hug difference in fluidity. Definitely worth getting it.
Click to expand...
Click to collapse
I have been running fstrim on mine, but it still lags horribly. It worked fine for the first few months. I should have known what the quality is like when I had to return my first one because of screen separation issues, then had the same problems with the second one and just kept it.
I am definitely waiting on the anandtech review, because I trust their attention to detail.
I have two "old" N7s. None has any lag !!!!!
Maybe due to constant wipes/flashes ? I kinda leave my daughter's N7 (~14months old) alone and it doesn't have lag that I can notice.
Anyway, Windows lags overtime too. That's why I do an image backup of a fresh installation. Once in awhile, I restore the image to
get a fresh Windows. It helps a lot.
Jrockttu said:
I have been running fstrim on mine, but it still lags horribly. It worked fine for the first few months. I should have known what the quality is like when I had to return my first one because of screen separation issues, then had the same problems with the second one and just kept it.
I am definitely waiting on the anandtech review, because I trust their attention to detail.
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Click to collapse
Good news! http://www.anandtech.com/show/7176/nexus-7-2013-mini-review/4 seems to suggest that not only is the eMMC faster out of the box on the N7-2013 (which I've anecdotally observed), but that they've included fstrim in Android 4.3 for the N7-2012. That suggests that at you should at least see more consistent performance over a longer period of time than the N7-2012 on the new one, and that your N7-2012 should speed itself up a little bit...
So promising, definitely, but I'm guessing if you really wanna know before buying, you'd have to give it a good 4-6 months of someone using it before getting the definitive word on it.
vnangia said:
Good news! http://www.anandtech.com/show/7176/nexus-7-2013-mini-review/4 seems to suggest that not only is the eMMC faster out of the box on the N7-2013 (which I've anecdotally observed), but that they've included fstrim in Android 4.3 for the N7-2012. That suggests that at you should at least see more consistent performance over a longer period of time than the N7-2012 on the new one, and that your N7-2012 should speed itself up a little bit...
So promising, definitely, but I'm guessing if you really wanna know before buying, you'd have to give it a good 4-6 months of someone using it before getting the definitive word on it.
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Click to collapse
I totally agree it's faster. Just loaded up my tablet... 435 Meg free. Nice and quick still. No issues. Delete the items using the space up and very quick still. Benchmarked nearly identical.
Performance has been top notch. Games are quick, large ones at that, switching between apps have been quick.
Sent from my Nexus 7 (2013) using XDA Premium HD app
Sluggish?? My nexus 7 32gb has 5gb left of storage after putting my movies and shows and it has no sluggish apps or any slowdown problems.
Sent from my Nexus 7 using xda app-developers app
i noticed immediately how much faster the new n7 is compared to my old one. its like night & day.
I think the real problem with the old Nexus 7 is Android 4.2.
Like many others who remained on or switched back to 4.1, I can tell my device runs as snappy as ever.
Sure, the memory may not be the best / fastest, but these annoying lag problems people report of are most probably simply due to 4.2 or other misconfigurations. People just don't wanna acknowledge it because they think: "Back to 4.1? Never!" or such.
hasenbein1966 said:
I think the real problem with the old Nexus 7 is Android 4.2.
Like many others who remained on or switched back to 4.1, I can tell my device runs as snappy as ever.
Sure, the memory may not be the best / fastest, but these annoying lag problems people report of are most probably simply due to 4.2 or other misconfigurations. People just don't wanna acknowledge it because they think: "Back to 4.1? Never!" or such.
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Click to collapse
Why not custom ROMs...?
I haven't picked one of these up yet, so I'm curious. Could someone check the available RAM after a fresh boot and tell me what it is?
I'm interested to see how much of the 3GB Touchwiz (and associated apps) takes and how much we actually have available to us.
7when I clear the ram it's roughly 2.5GB. tthat's after it closes 23 or so active apps.
Thanks. I'm sure a lot of those apps start right back up. I'm more interested in the available ram after a fresh boot because that will be a more accurate picture of what we have to work with.
Sent from my Nexus 10 using Tapatalk 4
fresh boot 1.4GB for my set up.
madsquabbles said:
fresh boot 1.4GB for my set up.
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Click to collapse
Thanks! Wow, that tablet uses over half the ram for the system? I was thinking maybe a gig, but that's crazy.
Sent from my iPhone using Tapatalk - now Free
I doubt it's all for the system. a lot of that bloatware is probably sucking up a bit too. as well as a few apps that I have running at staert up. 1.4GB is still quite a bit for an android tablet.
madsquabbles said:
I doubt it's all for the system. a lot of that bloatware is probably sucking up a bit too. as well as a few apps that I have running at staert up. 1.4GB is still quite a bit for an android tablet.
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Click to collapse
It is, I guess. My Nexus 10 sits around 500 free and it tends to refresh a lot, so I guess we still get a lot more overhead on this tablet.
Thanks again for checking.
Hi. I bought the 551 version with 2gb ram and 16gb memory a few days ago. So far the experience has been good. I'm just having problems running the game I regularly play, Crusaders Quest. It slows down to a crawl at times specially if I don't reboot my phone. I'm thinking it's a ram problem. Maybe I should get the 4gb ram one? Or it won't make a difference? Or is it the limitations of the GPU? Should I just switch to the nexus 5 instead?
Appreciate if you guys would chime in before I decide to sell the phone over the weekend. Thanks.
prinzhernan said:
Hi. I bought the 551 version with 2gb ram and 16gb memory a few days ago. So far the experience has been good. I'm just having problems running the game I regularly play, Crusaders Quest. It slows down to a crawl at times specially if I don't reboot my phone. I'm thinking it's a ram problem. Maybe I should get the 4gb ram one? Or it won't make a difference? Or is it the limitations of the GPU? Should I just switch to the nexus 5 instead?
Appreciate if you guys would chime in before I decide to sell the phone over the weekend. Thanks.
Click to expand...
Click to collapse
I bought the 551 with 4 gig RAM, and 64 gig HDD. I came from the note 4 edge and haven't looked back. If you let me know what games specifically you are playing I can test them out, but this phone hasn't even broken a sweat for anything I need it to do.
prinzhernan said:
Hi. I bought the 551 version with 2gb ram and 16gb memory a few days ago. So far the experience has been good. I'm just having problems running the game I regularly play, Crusaders Quest. It slows down to a crawl at times specially if I don't reboot my phone. I'm thinking it's a ram problem. Maybe I should get the 4gb ram one? Or it won't make a difference? Or is it the limitations of the GPU? Should I just switch to the nexus 5 instead?
Appreciate if you guys would chime in before I decide to sell the phone over the weekend. Thanks.
Click to expand...
Click to collapse
should be related to memory leak in android 5.0.1.. 2gb ram was never enough if memory leak is not fixed..4gb version still can manage and handle the leak, no solution so far unless you root it and install xposed fix memory leak module which also helped me in my case..other than that, just wait till asus push higher version of android such as 5.1 that was said to have better memory management..
3r0k said:
I bought the 551 with 4 gig RAM, and 64 gig HDD. I came from the note 4 edge and haven't looked back. If you let me know what games specifically you are playing I can test them out, but this phone hasn't even broken a sweat for anything I need it to do.
Click to expand...
Click to collapse
Could you try playing crusaders quest please. I'd like to know the performance before I get the 4gb one one later.
cangcan said:
should be related to memory leak in android 5.0.1.. 2gb ram was never enough if memory leak is not fixed..4gb version still can manage and handle the leak, no solution so far unless you root it and install xposed fix memory leak module which also helped me in my case..other than that, just wait till asus push higher version of android such as 5.1 that was said to have better memory management..
Click to expand...
Click to collapse
Thanks for the explanation. Didn't know a about that since my last android device was kitkat and it was a tablet.
just tried it on my 4gb 1.83ghz zenfone 2. zero lag with the game, but boy that in game graphic is terrible.
jdaclutch said:
just tried it on my 4gb 1.83ghz zenfone 2. zero lag with the game, but boy that in game graphic is terrible.
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Click to collapse
Thanks a lot man. Haha. You mean by terrible, the graphics look like 8bit Gameboy or whatnot? It's really like that and I like games like that. Did you go to the actual battle?
Could be throttling due to temps. Its highly unlikely this game is slowing down due to RAM/GPU/CPU unless the device is throttling. What's your ambient temperature there?
Chinaphonearena said:
Could be throttling due to temps. Its highly unlikely this game is slowing down due to RAM/GPU/CPU unless the device is throttling. What's your ambient temperature there?
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It's around 40 degrees Celsius here. So you really think it's not a ram problem? When I run the game I can't even multi task. If I leave the app when I go back to it, it relaunches.
prinzhernan said:
It's around 40 degrees Celsius here. So you really think it's not a ram problem? When I run the game I can't even multi task. If I leave the app when I go back to it, it relaunches.
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Click to collapse
Yea. That's hot, man. Your phone is likely throttling.
The issue with it closing when multitasking is a Asus kernel setting issue. Check your free RAM. I don't believe its a 5.0 leak issue. The leak manifests itself differently than this.
The 4gb version will help with apps closing, but not with the throttling. The Zenfone 2 is beyond powerful enough to run this game.
40°C is still cool enough..i think i remember that i read somewhere before, zenfone kernel started to throttle cpu when it reach 55°c, correct me if im wrong..but unlike my samsung S3, when using lollipop custom rom the temperature usually stays on 40-47°C while using the phone, so phone like this powerful zf2 should not have any problem even on 40°C..but just my two cent yet, anything can be a problem on this phone, unless they update in to newer lollipop and unlock BL so developer may help to improve the kernel and rom level of zf2..
prinzhernan said:
It's around 40 degrees Celsius here. So you really think it's not a ram problem? When I run the game I can't even multi task. If I leave the app when I go back to it, it relaunches.
Click to expand...
Click to collapse
its the problem of low free ram only,dont worry.I guess after updating to latest 5.1 x64bit lollipop...it wont have ram issues hopefully,and this prob only in 2gb,4gb can easily kill anyother phone interms of multitasking
cangcan said:
40°C is still cool enough..i think i remember that i read somewhere before, zenfone kernel started to throttle cpu when it reach 55°c, correct me if im wrong..but unlike my samsung S3, when using lollipop custom rom the temperature usually stays on 40-47°C while using the phone, so phone like this powerful zf2 should not have any problem even on 40°C..but just my two cent yet, anything can be a problem on this phone, unless they update in to newer lollipop and unlock BL so developer may help to improve the kernel and rom level of zf2..
Click to expand...
Click to collapse
40c is his ambient temperature, man... Not the temp of the phone.
---------- Post added at 06:48 PM ---------- Previous post was at 06:46 PM ----------
ansebovi said:
its the problem of low free ram only,dont worry.I guess after updating to latest 5.1 x64bit lollipop...it wont have ram issues hopefully,and this prob only in 2gb,4gb can easily kill anyother phone interms of multitasking
Click to expand...
Click to collapse
Yes, you'll have far fewer RAM issues with 4gb. I thought you were having other issues, according to your OP.
prinzhernan said:
Thanks a lot man. Haha. You mean by terrible, the graphics look like 8bit Gameboy or whatnot? It's really like that and I like games like that. Did you go to the actual battle?
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Click to collapse
yes, can't stand that 8bit graphic, didn't even want to get into the actual battle because of the graphic...the phone itself is fine.
I do find this phone heats up more than others I've used....would like to find a custom back, something that would allow greater airflow for gaming. If you play a heavy game, just pop the case off and let the extra airflow through.
Hi All, I was playing contest of champion from kabam, my problem is that when I just launch the game it look really nice in full HD graphic, and after 2 games when the heat goes up, no more HD , and when play after about 1/2 hour the graphic start choppy or even stuck in some point. anyone having the same problem ? Thanks
This might be because zf2 has 64-bit processor running with 32-bit lollipop......32-bit won't handle 64-bit efficiently
Sent from my ASUS_Z00AD using XDA Free mobile app
According to anandtech's review, the Zenfone 2 is not affected by throttling issues. Maybe the game you want to play is not x86 friendly and the slowdowns are because of binary translation (ARM emulation).
Sent from my LIFE PLAY using Tapatalk
Stephen 26 said:
This might be because zf2 has 64-bit processor running with 32-bit lollipop......32-bit won't handle 64-bit efficiently
Sent from my ASUS_Z00AD using XDA Free mobile app
Click to expand...
Click to collapse
it's not 32bit lollipop, CPU Z clearly says the kernel is 64 bit. plus, how can a 32bit OS manage 4 gb of RAM?
Buk-Lau said:
it's not 32bit lollipop, CPU Z clearly says the kernel is 64 bit. plus, how can a 32bit OS manage 4 gb of RAM?
Click to expand...
Click to collapse
It could.
That said yes, it's a 64b version. Even about phone will show x86_64.
40C Yep, ambient temp and that's HOT -> phone starts OUT AT 40C, so pretty much ANY stress on it's going to hit thermal throttling PDQ.
I've heard that doing so alleviates some lag that people have been complaining about. Any truth to this?
First of all, please note that disabling decryption requires root, which also requires doing a factory reset. While disabling encryption will certainly speed up the phone, Google has improved encryption in Android Marshmallow so that it doesn't decrease performance as much as it did in Lollipop. You may not notice the difference. As for a factory reset, it will certainly get rid of any lag caused by any changes you made to the phone, but not any caused by Android.
Sent from my Nexus 5X using Tapatalk
Root and decryption are two different things. It seems you can have either or both. I'm curious to know if decryption carries a better experience myself also. I don't really care about benchmarks, mostly if it eliminates lag.
Every post I've read has said that they haven't noticed a difference between decrypted and encrypted with the 5X - though I haven't seen any benchmarks comparing. If it helps, the Ars Technica review shows how the I/O performance compares to previous phones. (3rd graph set in the Performance section)
I'm not sure whether it is actually a Marshmallow specific feature or not, but the 5X and the 6P are using the cryptography extensions that are part of the ARMv8 instruction set to perform encryption and decryption. The performance hit should be negligible.
Everyone clearly remembers the bad rep the N6 has for this, but it just didn't have proper support for this feature, though it apparently got a bit better later on. Right now it seems like jumping at ghosts for the 5X & 6P.
OP, which android build are you on? I'm wondering if the I build makes a difference. At least one person has returned their phone due to the lag, and had a replacement that didn't have that issue.
i was experiencing random lag with my n5x and I ended decrypting the phone and disabling zram and it made a big difference.
Before doing this, my phone was noticeably laggier and slower than my nexus 6 (decrypted). After decrypting and disabling zram, my n5x is now just as fast as my n6.
I did a speed test like those youtube videos, where you open apps at the same time and see which one finishes first, and now the n6 and n5x both finish opening apps almost exactly at the same time.
My build is mda89e. I don't have any noticeable lag, I was just curious if it would change anything.
How would you characterize the lag if it were present?
I decrypted and rooted, did not notice any difference in daily use. (dont care for benchmarks) I did however notice that the phone boots much faster after decryption.
dwang said:
i was experiencing random lag with my n5x and I ended decrypting the phone and disabling zram and it made a big difference.
Before doing this, my phone was noticeably laggier and slower than my nexus 6 (decrypted). After decrypting and disabling zram, my n5x is now just as fast as my n6.
I did a speed test like those youtube videos, where you open apps at the same time and see which one finishes first, and now the n6 and n5x both finish opening apps almost exactly at the same time.
Click to expand...
Click to collapse
How'd you disable zram?
lysm bre said:
How'd you disable zram?
Click to expand...
Click to collapse
I'd like to know this as well
Use trickster mod or kernel auditor to disable it.
Sent from my Nexus 5X using Tapatalk
Hi
Disabling ZRAM will wear out your flash memory quicker, the whole point of ZRAM is to speed up the phone and protect flash memory from hundreds or thousands of tiny write operations.
From the Wiki (https://en.wikipedia.org/wiki/Zram)
zram increases performance by avoiding paging to disk and using a compressed block device in RAM instead, inside which paging takes place until it is necessary to use the swap space on a hard disk drive. Since using RAM is an alternative way to provide swapping on RAM, zram allows Linux to make more use of RAM when swapping/paging is required, especially on older computers with less RAM installed.[1][2]
Even when the cost of RAM is low, zram still offers advantages for low-end hardware devices such as embedded devices and netbooks. Such devices usually use flash-based storage that has limited lifespan due to its nature, which is also used to provide swap space. The reduction in swap usage as a result of using zram effectively reduces the amount of wear placed on such flash-based storage, resulting in prolonging its usable life. Also, using zram results in a significantly reduced I/O for Linux systems that require swapping.[3][4]
Click to expand...
Click to collapse
Decryption doesn't make much difference (it will speed up boot times if you had a power on password, but that is simply because it is booting twice to offer us a protected Android environment first to get the password, and this was optional anyway, we get the choice during setup). The whole phone isn't encrypted anyway, just user data, hence overall the difference between encrypted and decrypted isn't that wide.
Unless we have some evidence of the speed up, I'm tempted to put down any suggestion of speed up down to the placebo effect :laugh:
If there is an improvement, It might be as simple as a factory reset is good for the phone due to some optimization undertaken with the flash memory at that time, or recompiling apps, that has been skipped when loading the device with an image at the factory. Perhaps that is why some people are seeing no problems with lag because they've played about first and had a mess around, then did a factory reset at some point to set up their device up as a daily driver.
A true test would be to do factory reset with everything at defaults, run a measured test, then decrypt and remove ZRAM and do a second test.
Regards
Phil
This is wrong. Disabling zram doesn't mean u are adding a swap to the flash, so the kernel isn't going to write to the flash.
You have no idea what you are talking about.
Sent from my Nexus 5X using Tapatalk
Can someone run a long CPU throttling test on this phone to see how heavily it scales as heat builds? The only test I've found online is https://3dnews.ru/assets/external/illustrations/2019/05/27/988154/sm.throttle_1.400.jpg, and it's pretty bad. I've seem comments about how this is one of the hottest 855 devices, and I dunno if you can use some software workarond like on some Xiaomi phones.
The test above was done using https://play.google.com/store/apps/details?id=skynet.cputhrottlingtest.
I've been looking for a strong phone to run emulators and my picks where either this or the Xiaomi 9T/K20 series. Screen, camera and development edged me towards this phone, but if it can barely sustain a gaming session then it's no good.
When I got mine I used it as a hotspot for 4 days while waiting for the flipcase I had ordered.
I was running both the 2.4G and 5G wifi hotspots at the same time, with a laptop and several other devices using it, and I also used it normally at the same time and even ran some benchmarks like Antutu, and it only got lukewarm at most.
Of course I have the E30 model with 12GB ram, which probably helps keep it cooler.
I'm still on Android 9 if that matters.
cobben said:
When I got mine I used it as a hotspot for 4 days while waiting for the flipcase I had ordered.
I was running both the 2.4G and 5G wifi hotspots at the same time, with a laptop and several other devices using it, and I also used it normally at the same time and even ran some benchmarks like Antutu, and it only got lukewarm at most.
Of course I have the E30 model with 12GB ram, which probably helps keep it cooler.
I'm still on Android 9 if that matters.
Click to expand...
Click to collapse
I found various results on Antutu and similar apps, but that only says about burst usage. If that image I linked is correct, after a few minutes the processor clock falls drastically.
If you don't mind please run the app I linked and print the result here. The default time is 15 minutes, but if you can manage a longer test I would appreciate. Of course you'll need to leave the phone resting during that time, so keep that in mind.
An example of a good result, ran on a Mi 9: https://i.redd.it/sh23onvimmq31.png. The phone can be used at full power without downclocking for a long time.
Here are the result. It depends on the temp on the sensor. It hit 90c when ran at full clock speed and it dropped to dynamic clock speed when it was hot on prime core. When it was cold enough it can boost to full speed again.
The environment temp was around 25c. Probably worse if the env temp was high
mickey36736 said:
Here are the result. It depends on the temp on the sensor. It hit 90c when ran at full clock speed and it dropped to dynamic clock speed when it was hot on prime core. When it was cold enough it can boost to full speed again.
The environment temp was around 25c. Probably worse if the env temp was high
Click to expand...
Click to collapse
Thanks a lot! Finally more data on this.
The clean step is similar to the first slowdown on the test I linked, maybe from some governor setting on the kernel. There should be a way to either remove or relax the thermal profile if needed, but while a tiered throttle might be too overzealous at least it makes for less performance flutuation.
Anyway, overall it's far from what I've seem before, and pretty good on my book. Good to know. Are you on Android 10 already?
XDFefo said:
Thanks a lot! Finally more data on this.
The clean step is similar to the first slowdown on the test I linked, maybe from some governor setting on the kernel. There should be a way to either remove or relax the thermal profile if needed, but while a tiered throttle might be too overzealous at least it makes for less performance flutuation.
Anyway, overall it's far from what I've seem before, and pretty good on my book. Good to know. Are you on Android 10 already?
Click to expand...
Click to collapse
Yes, I'm on Android 10 right now. Every day use is fine but actually warmer than I expected. Especially when I do a lot of opening apps, switch between apps that ramp up the prime core.
XDFefo said:
Thanks a lot! Finally more data on this.
The clean step is similar to the first slowdown on the test I linked, maybe from some governor setting on the kernel. There should be a way to either remove or relax the thermal profile if needed, but while a tiered throttle might be too overzealous at least it makes for less performance flutuation.
Anyway, overall it's far from what I've seem before, and pretty good on my book. Good to know. Are you on Android 10 already?
Click to expand...
Click to collapse
I found thermal config file in /vendor/etc
It use virtual-threm to set cpu clock speed in this snapdragon 855 platform based on current temperature.
This is the stock setting that I got from here
https://github.com/AndroidDumps/asu...0-release-keys/vendor/etc/thermal-engine.conf