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mark28

macrumors 68000
Original poster
Jan 29, 2010
1,632
2
How bad is the hit on battery life when gaming on an iPhone 4S with it's dual GPU? It's much worse than the iPhone 4?
 
Depends on what you do. I have no clue becuase whenever I play a game like FIFA 12 or GTA III, I always have my phone plugged in.
 
This isn't really a fair comparison (because the game has enhanced graphics for A5 devices) and it is kind of irrelevant to your question, but my battery dropped about 30% after about 30 minutes of playing Infinity Blade II.
 
Here's what AnandTech had to say:

The iPhone 4 lasted around 30% longer in our GPU test compared to the iPhone 4S. This is actually a trend we have seen before, with the move to the 3GS we noted a similar impact on battery life compared to the previous iPhone 3G. If you're going to do any heavy 3D gaming, expect the iPhone 4S to burn through your battery quicker - although you will have a better experience on the 4S thanks to a smoother frame rate. Note that for sufficiently light 3D workloads (e.g. where the iPhone 4 is already bumping into Vsync), it's unlikely that you'll see much of a difference in battery life between the two phones. Citadel is simply too strenuous of a test for the 4. What really penalizes the 4S is its ability to run at nearly 2x the frame rate of the 4.
 
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