Develop Bugs

[Request] Resolution Switch to 1080

Honor 8 Pro is an incredible device, which ticks all the boxes. But since it has a 2k display and a v8 engine in it, it chunks on the 4k battery pretty quickly.
If there is some way, we could lower the resolution to 1080 similar to that on S8 and S8+, I think the battery life will almost double!
Inputs?!

aKp1 said:
Honor 8 Pro is an incredible device, which ticks all the boxes. But since it has a 2k display and a v8 engine in it, it chunks on the 4k battery pretty quickly.
If there is some way, we could lower the resolution to 1080 similar to that on S8 and S8+, I think the battery life will almost double!
Inputs?!
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You can there is option in battery section when needed it automatically lower the resolution !!!

We actually don't know when it gets activated. It would be better if the user is given better control of the resolution! Like to lock the display on 1080 to preserve battery and then to switch the display to 2k while playing HD games or watching VR

Charging time more
aKp1 said:
We actually don't know when it gets activated. It would be better if the user is given better control of the resolution! Like to lock the display on 1080 to preserve battery and then to switch the display to 2k while playing HD games or watching VR
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Is Battery Charging take more time, when screen resolution is reduced?

CRNair said:
Is Battery Charging take more time, when screen resolution is reduced?
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It saves battery instead.
Sent from my Honor 8 using XDA Labs

nil.d said:
You can there is option in battery section when needed it automatically lower the resolution !!!
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Click to collapse
like others have mentioned, ideally, we want something we can manually control. like what is found on many other phones with 2K screen... users can manually select between 2k, 1080p and even 720p.
right now, the one under the battery/ power savings... we don't even know when it gets activated... or if it works (coz honestly, i can't tell any diff between 1080p and 2K on such small screen).

Hi,
Although there is a option to lower screen resolution to reduce battery consumption, we don't know when it exactly kicks into play or if it does at all. I suspect it only reduces the strength of the pixels.
We have raised this query in the recent meeting which was held in Chennai. They took it with a nod, not sure if it will be implemented. We did point out as to how S8 and S8+ does it.

amulbaby said:
Hi,
Although there is a option to lower screen resolution to reduce battery consumption, we don't know when it exactly kicks into play or if it does at all. I suspect it only reduces the strength of the pixels.
We have raised this query in the recent meeting which was held in Chennai. They took it with a nod, not sure if it will be implemented. We did point out as to how S8 and S8+ does it.
Click to expand...
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Take a screenshot before and after enabling the option to lower screen res, you'll ses the difference between the resolution of both screenshots

PalakMi said:
Take a screenshot before and after enabling the option to lower screen res, you'll ses the difference between the resolution of both screenshots
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No. You won't see it.
Sent from my Honor 8 using XDA Labs

adriansticoid said:
No. You won't see it.
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I meant when you look in the info (details) of the screenshot

adriansticoid said:
No. You won't see it.
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We will see the difference bro. The lose of pixels

gopinaidu77 said:
We will see the difference bro. The lose of pixels
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Didn't see mine.
Sent from my Honor 8 using XDA Labs

adriansticoid said:
Didn't see mine.
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You will see when an app which sucks too much battery , during that the pixel will be decreased.

PPSSPP needs this...

Current emui 5.1 low res option are not decrease resolution to 1080p I think. Its just reduce the pixels a bit and automatically activated only on power hungry apps. Logically if change resolution at least your screen will flicker a bit. Dont worry upcoming emui 8 will have option to truly change your resolution either 2k, 1080p and even 720p. I think its coming to our phone in January.
Sent from my Honor 8 Pro using XDA Labs

Does lowering screen resolution from 2k to 1080p even save that much battery power?

DrGreenway said:
Does lowering screen resolution from 2k to 1080p even save that much battery power?
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Battery not very much affected, but gaming got better performance if in 1080p.
Sent from my Honor 8 Pro using XDA Labs

Are there many drawbacks to running at Max resolution.

I have went back and forth with the 3 different resolution settings. If I look hard I can tell a little difference. At HD it is actually a little less sharp then my LG G5. Do we have any idea of the draw backs of the highest resolution? How much less battery life. Does it affect smoothness. I'll try different setting myself but was just wondering if anybody knew already.

I'm in the process of trying out the higher resolution too. I'll report back my real world use findings.
Sent from my SM-G965U1 using Tapatalk

Does use a bit more power BUT a lot more RAM

I haven't measured battery use (and it would be hard to have exactly the same test conditions anyway), but I haven't noticed any real difference between FHD and WQHD in normal use. I also don't see a whole lot of difference in sharpness or image quality, but maybe someone with younger eyes than me will see a difference.

Testing max resolution for a few days now, no major battery life impact so far. No lag either.

I've been happy with the battery on max as well. At the end of the day, with almost 4 hours screen time, my battery was still 40% yesterday. LTE most of the day, some wifi.

The difference between 1480x720 HD+ and 2220x1080 FHD+ is around 20 minutes battery time over the course of the entire day I believe. Then with 2960x1440 WQHD+ you're probably looking at losing 40 minutes of battery throughout the day. And overall, each step up uses more RAM, which is expected.
In terms of a difference, I can't really tell the real difference between 720p and WQHD+ ... I mean, the screen is small already, it's a phone. It isn't like you're stretch the resolution over a Monitor or TV where you can clearly tell the difference.
I believe WQHD+ is just slightly sharper. The big difference is if you were to use a VR Headset since the screen would be very close to your face and magnified.. this is when I would recommend using WQHD+ ... FHD+ 1080p is fine for daily use and I doubt you would be able to have a noticeable battery drain.
It's truely a topic of Battery Life & Lower Temps / vs. / "Visual Fidelity" & Higher Temps. I believe using WQHD+ over the course of a year would have a considerable but not horrible wear on the battery lifespan however, considering hardware isn't impervious to aging.

I've played with both resolutions but haven't noticed a difference neither.

Will lowering resolution increase battery life?

The settings allow you to lower the resolution. I lowered the resolution to 2340 x 1080 and I don't really notice anything different.... Would this increase battery life? If so, how much?

It will definitely increase battery life.
How much will it increase depends on your usage and your apps installed. It should at max give you 10% increase.

id3alistic said:
Would this increase battery life? If so, how much?
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It is well and widely known that lowering resolution won't give you increased battery life. At all

Ah thanks. I come from an xperia z3 so been using FHD screens only. I was interested in the XZ1 compact back then and one of the key points from reviewers is that the lower screen resolution(720p) saved a lot more battery vs the XZ1 at 1080p.

id3alistic said:
Ah thanks. I come from an xperia z3 so been using FHD screens only. I was interested in the XZ1 compact back then and one of the key points from reviewers is that the lower screen resolution(720p) saved a lot more battery vs the XZ1 at 1080p.
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I think the misconception is lowering the screen resolution vs a device that maxes out at a lower resolution. Maybe it makes a difference for OLEDs...but for LCD screens, all if the pixels are still illuminated, so there's not much difference there.

AarSyl said:
I think the misconception is lowering the screen resolution vs a device that maxes out at a lower resolution. Maybe it makes a difference for OLEDs...but for LCD screens, all if the pixels are still illuminated, so there's not much difference there.
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Sounds convincing and makes sense. I wonder why they'd allow it on this device though?

20degrees said:
Sounds convincing and makes sense. I wonder why they'd allow it on this device though?
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Because Samsung's can do it.
Nothing but hype for the misinformed and ill-advised.
[Dopey voice]"Bruh...look what my phone can do to save battery life. Can yours?" [/Dopey voice]

Using lower resolutions use less power bc they use less gpu computational power. Youre not saving anything really from the screen itself. Think of it this way does your computer/laptop use more power running resource intensive applications or running idle?

id3alistic said:
Ah thanks. I come from an xperia z3 so been using FHD screens only. I was interested in the XZ1 compact back then and one of the key points from reviewers is that the lower screen resolution(720p) saved a lot more battery vs the XZ1 at 1080p.
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As one said here it's from misinformed people.
id3alistic said:
XZ1 compact back then and one of the key points from reviewers is that the lower screen resolution(720p) saved.
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Not that the resolution that saved power. If Sony could put their 3840x2160 resolution display into 4.3" size of XZ1 compact it still would run longer on battery than any 6.5" sized phone from similar battery even with 720p display. Because it's sheer size of screen that saves battery, not the resolution. 4.3" vs 6.5" is hefty difference. One needs more light to make 6.5" display emit light than to make 4.3" one hence one need more power.
Think about it this way, if resolution would matter then XZ Premium and XZ2 Premium would drain their batteries in a matter of minutes with 3840x2160 res displays. Right? But they work almost as long as say Galaxy S9 Plus or Note 8.
---------- Post added at 07:58 PM ---------- Previous post was at 07:52 PM ----------
Nirrik said:
Think of it this way does your computer/laptop use more power running resource intensive applications or running idle?
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It not works like that. When your phone renders picture in 720p or 1080p it doesn't do it sitting idle. It still consumes power when rendering picture 60 times a sec. And its GPU still runs at 200MHz, maybe it needs like 230 or 250MHz for rendering picture in 1440p but is 250MHz vs 200 MHz a huge difference? I doubt it
It's not like 1440 picture rendering needs full GPU power but 720p or 1080p can be powered by idle GPU. Never was, never will. Ask devs in http://forum.xda-developers.com/android/software-hacking if in doubt

In reality ability to pick your resolution for battery life is a gimmick and doesn't really do anything.
There were no proofs that phones live longer from same charge when it's resolution lowered. Maybe it works for constant gaming, like playing games in 720p on a 1440p screen will bump battery life. But in other cases no

Taking only power consumption from the display alone, there is no different between HD, FHQ, QHD. The different is that if a game or any apps(or even system app itselfs) runs at HD, it will need less graphic computational power than running at QHD (once again, its not about the drainage from the display, its from GPU).

romeokk said:
The different is that if a game or any apps(or even system app itselfs) runs at HD, it will need less graphic computational power than running at QHD (once again, its not about the drainage from the display, its from GPU).
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in reality, it's bull****. learn how GPU works. Try to ask Google devs if you don't know. They do habitate here, at XDA
It's not like it renders something and then goes to sleep turning cores off as CPU does. Instead GPU renders frame 60 times a sec and uses 203MHz either your resolution is 720p or 1080p. It can't lower frequency to 100MHz magically because it's not designed that way. So it consumes as much power working at 203MHz either rendering 720p frames or rendering 1080p frames.
Hence no battery economy achieved

Billy Madison said:
in reality, it's bull****. learn how GPU works. Try to ask Google devs if you don't know. They do habitate here, at XDA
It's not like it renders something and then goes to sleep turning cores off as CPU does. Instead GPU renders frame 60 times a sec and uses 203MHz either your resolution is 720p or 1080p. It can't lower frequency to 100MHz magically because it's not designed that way. So it consumes as much power working at 203MHz either rendering 720p frames or rendering 1080p frames.
Hence no battery economy achieved
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See this:
https://www.google.co.th/url?sa=t&s...FjADegQIBRAB&usg=AOvVaw3qEXVbk4h0XmHcDhhRUR1P

1080p resolution

So like we all know that on Samsung devices the default resolution is set to 1080p to increase battery life, so the question is can we do the same on our device?

Prattham said:
So like we all know that on Samsung devices the default resolution is set to 1080p to increase battery life, so the question is can we do the same on our device?
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The difference is negligible. Here's one of a few videos demonstrating it:
https://youtu.be/jBPcCETBGgI
Sent from my Pixel 2 XL using Tapatalk

EeZeEpEe said:
The difference is negligible. Here's one of a few videos demonstrating it:
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That's not accurate though
Sent from my Google Pixel 2 XL using XDA Labs

How so? It wasn't even a static test of just letting a video play. He did games and actually used the phone. Also if it's not, show me a video that shows a significant difference between the two because it's not the only video I've seen that shows barely a difference. Charging 15-30 minutes earlier isn't much. 1-2+ hours, now you're talking.
Prattham said:
That's not accurate though
Sent from my Google Pixel 2 XL using XDA Labs
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Sent from my Pixel 2 XL using Tapatalk

@Prattham: Regardless of whether the screen is set to 1440p or 1080p you're still driving the same number of physical pixels on the device. Any power savings you get is not because of the screen but because of a reduction of the GPU's load. While the test may not meet scientific standards it does meet real world standards, which is more important. A savings of 2 to 3% as shown in the video easily fits within the margin of error for such a test, and thus there is no benefit to switching to 1080p.

GSMarena did their test with a S7 and found zero difference in battery life. The myth is dead. The only benefit is better graphics performance. Samsung didn't do it for battery, they did it for UI smoothness.

OverClock Display Rate?

Coming from PC gaming , I can push my TV/Monitor another 15fps , so it was 60Hz and with overclock its Now 75hz , not all TV Monitor can do this , its a matter of playing around until screen goes blank , is it possible to overclock the OLED screens refresh rate ? On the Samsung phones, im not a dev , ,but willing to test if theres a possible way, im using s9+
Kind regards

That would be a nice if it is possible even a small bump would make good difference i believe

It stays at 60 fps. Testing it a few times

TormentedHeart said:
It stays at 60 fps. Testing it a few times
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How did you test? Kind regards

MattJaO3D said:
How did you test? Kind regards
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There are bunch of websites which work reliable.
just google it.

It has been done on few xiaomi devices. I believe s9 displays are really high quality and theres really chanse that they can handle more than 60hz. I would trade resolution for refresh rate