This again?

Windows Central Podcast 37: Windows 10 Mobile is still dead

Redefining the PC

Why Microsoft's Surface phone could be MUCH more than a mere 'phone'

Surface Pwn 5

Surface Pro 5, Project NEON details leaked on LinkedIn?

XP-YESSSSSSS

Dell's already awesome XPS 15 gets even better in 2017

Surface table meets Windows 10

Yes, we did put Windows 10 on the original Surface table ... and it rocks

Cream o' the crop

Before buying a Microsoft laptop, check out our pick for the absolute best

Simple and secure, just the way I like it

We think Windows 10 Cloud is a great idea, here's why

uber micro

Halo Wars 2 has something for everyone. Here's our full review.

Oldie but goldie

We reviewed Microsoft's decade-old Surface table

Creators Update comin' at ya

These are the coolest new features in the next big Xbox One update (video)

Buyer's guide

The Razer Blade 14 is the best laptop Razer has to offer

Windows 10 app gems

10 terrific Windows 10 apps you should be using

Tower of power

Here's what we think of Dell's XPS Tower Special Edition

Quite a deal

Grab the complete C# coding bootcamp for $41!

Your go-to laptop guide

Introducing our ultimate laptop buyer's guide

Listen here

Attn Android and iPhone users: What you need to know about Windows phone

Old is new?

The original Surface Pro still holds its own in the 2-in-1 world

Xbox Greenlight?

No, internet, Microsoft isn't opening Xbox to all UWP games

Falling in love

HP Envy 34 review: An ultrawide curved all-in-one after my heart

2015 machine in 2017?

Surface 3 still holds its own in 2017

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  • 1 Post By Joel S79
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  1. themadpoet1's Avatar
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       #1  
    I noticed if you choose a white background on this phone, it will tell you this phone isn't optimized for a white background, though I do like the way it looks. How much battery drainage do you think this phone has with a white background as opposed to a black one?
  2. HM02's Avatar
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    #2  
    Seeing as how it's AMOLED, yes it will suck the battery more than a black background.
  3. Jason Drum's Avatar
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    #3  
    I just did a simple test of having the screen on all black and all white for half hour each. First battery drain was 100 to 92, second was 92 to 85.
  4. Joel S79's Avatar
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    #4  
    Quote Originally Posted by themadpoet1 View Post
    I noticed if you choose a white background on this phone, it will tell you this phone isn't optimized for a white background, though I do like the way it looks. How much battery drainage do you think this phone has with a white background as opposed to a black one?
    Black on an AMOLED screen means the actual pixels are off, and therefore drawing no power. It's a really common battery saving trick for people with Samsung Android phones to use dark and mostly black themes to conserve battery (Samsung phones have been using AMOLED screens since at least the original Galaxy S).

    It'll drain your battery faster, but considering MY Lumia easily makes it through the day you'll probably be fine. The only other thing to consider is AMOLED cells do have a finite life, and will dim over time. The white background will accelerate that process. I'll dig up my old Nexus and show you what I mean if you're interested.
    xandros9 likes this.
  5. taymur's Avatar
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    #5  
    Quote Originally Posted by Jason Drum View Post
    I just did a simple test of having the screen on all black and all white for half hour each. First battery drain was 100 to 92, second was 92 to 85.
    you lost 8% in 30 min????
  6. krishna6233's Avatar
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    #6  
    i think so...
  7. uopjo6's Avatar
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    #7  
    Just use black or white... Even if white drained more battery it is a small margin only and should not be enough to compromise your choice. You wouldn't turn off all live tiles either amiright.
  8. Jason Drum's Avatar
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    #8  
    Quote Originally Posted by taymur View Post
    you lost 8% in 30 min????
    With the screen on the entire time, constantly searching and getting kicked off crappy wifi, and listening to iheartradio.
  9. a5cent's Avatar

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    #9  
    Quote Originally Posted by uopjo6 View Post
    Just use black or white... Even if white drained more battery it is a small margin only and should not be enough to compromise your choice. You wouldn't turn off all live tiles either amiright.
    I disagree. All my WP devices with AMOLED screens last noticeably longer when set to black.

    It's not so much the start screen, but that many apps (where I spend most of my time) then show black text on a white background. That is the killer.

    Black background with white text is also easier on the eyes.

    Don't use the white theme on a device with an AMOLED display.
    xandros9 likes this.
  10. awkm's Avatar
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    #10  
    What about IPS screens?
  11. a5cent's Avatar

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    #11  
    Quote Originally Posted by awkm View Post
    What about IPS screens?
    Doesn't matter. Use whatever theme you prefer.
    xandros9 likes this.
  12. rockstarzzz's Avatar

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    #12  
    Quote Originally Posted by Jason Drum View Post
    I just did a simple test of having the screen on all black and all white for half hour each. First battery drain was 100 to 92, second was 92 to 85.
    That isnt the best way to test them. You may have more processes running in second half an hour in background. Also the most reliable battery readings are between 20-80% as the meter doesn't drop as quickly between 90-100%
  13. Jason Drum's Avatar
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    #13  
    Quote Originally Posted by rockstarzzz View Post
    That isnt the best way to test them. You may have more processes running in second half an hour in background. Also the most reliable battery readings are between 20-80% as the meter doesn't drop as quickly between 90-100%
    Why's that? It was one after the other and the only thing happening was listening to iHeartRadio, and I didn't do anything except keep the screen lit. I'll give you the 20-80 comment, though.
  14. StevePT's Avatar
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    #14  
    Quote Originally Posted by Jason Drum View Post
    Why's that? It was one after the other and the only thing happening was listening to iHeartRadio, and I didn't do anything except keep the screen lit. I'll give you the 20-80 comment, though.
    Lithium-Ion batteries have a non-linear discharge rate. From a full charge the first portion of the battery discharge is very gradual and as it wears down the discharge rate increases. Also, as Rockstar said, you might have different apps that only refresh every 30 minutes or more so some of those apps might have only gone through their refresh process during one of your 30min tests and not both of them.
  15. donebrasko's Avatar
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    #15  
    Quote Originally Posted by uopjo6 View Post
    Just use black or white... Even if white drained more battery it is a small margin only and should not be enough to compromise your choice. You wouldn't turn off all live tiles either amiright.
    is there an option to turn off live tiles? If so where? Mine are acting up, so I'm hoping if I turn them off and back on it will fix it.

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