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Power/CPU useage: 17" 1600x900 vs 15" 1920x1080

Last response: in Graphics & Displays
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February 4, 2011 4:35:16 PM

I was recently debating over two laptops with a friend and he raised an interesting question: "less pixels = requires less processing power for the same frames per second?"

So, does screen size or resolution have a great impact on performance. In other words, with and without the other components factoring in, would the 17" 1600x900 or 15" 1920x1080 require more power consumption/computing power? We're essentially trying to figure out which would run a game like Starcraft 2 better but I'm curious about the other details:

15": http://www.amazon.com/gp/product/B00492C6TI/ref=ord_car...
17": http://www.amazon.com/gp/product/B0046HAP76/ref=ord_car...

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a c 179 U Graphics card
February 4, 2011 4:39:10 PM
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The less pixels the less math for the GPU to do, the 1920x1080 screen has 44% more pixels than the 1600x900 screen so thats a significant jump in the workload, since they both have the same GPU(GT425M) which isnt very strong, the reduced workload on the 17" model would have a large effect, as would the stronger CPU so the 17" at 1600x900 will give you better FPS, however, the 15" would have better picture quality since the pixels are smaller they can give you finer detail.
a c 125 U Graphics card
February 4, 2011 4:41:38 PM

Exactly what hunter said.

The 1080p monitor has WAY denser pixel count, being a smaller screen plus 44% more pixels. It'll look significantly better. But yes it'll require more GPU horsepower.

You could always reduce the resolution in games, and then windows and movies will still look really nice at 1080p.
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a b U Graphics card
February 4, 2011 4:42:45 PM

Its simple.. the higher the pixel, meaning higher resolution the higher requirements will be needed..
A screen might be 15 inch and another 30 inch but if they are the same resolution, they will give same fps. A screen of 19 inch with 1o80 p res, will require more graphics power than another 19 inch 720 p res.
Its the resolution the factor here..
February 4, 2011 6:51:47 PM

Best answer selected by NeuronetMan.
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