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Old September 29th, 2012, 01:04 AM   #1 (permalink)
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Default Only CPU takes up battery?

I recently learned that I should stop using task killer apps to save battery life.

I have Watchdog installed on my phone that monitors the CPU that each app consumes. Is the amount of battery life an app consumes purely a factor of how much CPU it's using? In other words, the amount of RAM used by the program doesn't dictate how much battery drain it's using?

Secondly, if I minimize a game like Angry Birds or World of Goo simply by pressing the home button, such taht when I opent he game agian, it loads right away and I am back at where I left of, is it take up more battery in the background thatn if I had killed the app?

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Old September 29th, 2012, 01:37 AM   #2 (permalink)
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Quote:
Originally Posted by jamesino View Post
I recently learned that I should stop using task killer apps to save battery life.

I have Watchdog installed on my phone that monitors the CPU that each app consumes. Is the amount of battery life an app consumes purely a factor of how much CPU it's using? In other words, the amount of RAM used by the program doesn't dictate how much battery drain it's using?
AFAIK RAM is always consuming some a minimal amount when device is on... It's changing those values that increases power consumption.

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Secondly, if I minimize a game like Angry Birds or World of Goo simply by pressing the home button, such taht when I opent he game agian, it loads right away and I am back at where I left of, is it take up more battery in the background thatn if I had killed the app?
No. See first reply. Only matters it the background task is active.
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Old September 29th, 2012, 02:36 PM   #3 (permalink)
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So I shouldnt' be worried if a specific app is displaying 0.0% CPU usage, but is taking up 100mb of RAM?
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Old September 29th, 2012, 02:37 PM   #4 (permalink)
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Default Battery Drain from Nova

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Last edited by jamesino; September 29th, 2012 at 02:47 PM.
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