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Old September 20th, 2013, 02:13 AM   #1 (permalink)
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Default friend told me more cores more battery life...

I am not sure whether you guys have question about cores and battery life before you got your S4

However before I purchased my Galaxy S4 my friend cautioned me that more cores may drain more battery life so there no need to choose quad core smartphone. I think it was a controversial statement, cus what I knew is that more cores ought to save a cell phone battery life easier and I think quad-core phones can save battery life more than dual-core phones.

Then he tried to convinced me by examples( actually he may find on google). He said a more cores processor just like more cylinders car, though it provide the car more engine power, also the gas it need has increased. Same as smart phone, its cell phone battery need to feed the CPU and many other applications and hardwares. A more cores CPU is faster, therefore it can complete more tasks in a shorter period of time with faster boot time or smoother rendering time, by demanding more battery power.

I against his analogy. The mainly reason why I choose S4 is just the quad-core processor as I want to play large cell phone games! Although my S4 battery life indeed not enough for me, but it is because my heavy usage and thank to its removable battery so I got myself a MPJ 7000mAh extended battery for extending gaming time and it satisfy me a lot. Also I compare S4 to my previous mobile phone which has similar devices with S4 with only dual core, S4 even last longer when playing a same game for same time. Because S4 will be turned off if the it is no need of high performance, but when we require a high performance, the OS of S4 will decide to use one to four cores depending on the desired speed!

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Old September 20th, 2013, 02:27 AM   #2 (permalink)
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Samsung Galaxy S4 octa core (i9500) vs quad core (i9505).

Battery life...

Samsung I9500 Galaxy S4 vs Samsung I9505 Galaxy S4: Double or nothing - GSMArena.com


Samsung I9500 Galaxy S4 vs Samsung I9505 Galaxy S4: Double or nothing - GSMArena.com

Full comparison...

Samsung I9500 Galaxy S4 vs Samsung I9505 Galaxy S4: Double or nothing - GSMArena.com
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Old September 20th, 2013, 09:32 AM   #3 (permalink)
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The problem with your friend's analogy is that not all the cores do the same thing. If you want to use the engine analogy though, for a short while GM made V8 engines that would turn off 2 (or more??) cylinders at times. That would be somewhat analogous, except that in the case of that situation all the cylinders do the same thing--move the car down the road. Cores in smart phones tend to be more specialized.
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Old September 20th, 2013, 09:59 PM   #4 (permalink)
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I would add that I came from a dual coar phone, Atrix 4G, which after I loaded it up with over 200 of my apps, the phone would get bogged down, running slow and run warm during extended use of games. With my S4 with its bigger HD display, quadcore processor and 2 GB of RAM, I have over 275 apps and my phone usually laggs using touchwiz at times, but never really runs over 104 degrees and the battery last longer too. (Come paired to my Atrix 4G.)

So, I'd say it's how the phone is set up to run the cores, CPU and system resources. But the S4 isn't a battery hog like others have said over the internet.

One more thing, from what I've read all four cores are not running all the time. (I'm not sure if they ever run all together either.)
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