Is the GTX 970's 500mb slow ram faster than system ram?

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Le_Doge

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For example: is a gtx 970 that exceeds 3.5gb ram going to be faster than a r9 280x that exceeds 3gb ram?
 
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boju
GTX970's low priority memory segment is 4x the speed of system memory. You will still have 3.5GB Vram of priority memory which is more than the 280x and the 970 also performs a lot better. Not many games need 3.5GB vram anyway, will be loosing out on every aspect, power, efficiency, drivers and performance.

Any gpu, taking it beyond it's Vram capacities will see a lot of Vram data swapping and will sure notice it. Its not advised. Actually the 280x Vram overs would be worse since it would be swapping data from system memory vs 970's 500MB low priority memory.

http://www.pcgamer.com/why-nvidias-gtx-970-slows-down-using-more-than-35gb-vram/
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boju

boju

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GTX970's low priority memory segment is 4x the speed of system memory. You will still have 3.5GB Vram of priority memory which is more than the 280x and the 970 also performs a lot better. Not many games need 3.5GB vram anyway, will be loosing out on every aspect, power, efficiency, drivers and performance.

Any gpu, taking it beyond it's Vram capacities will see a lot of Vram data swapping and will sure notice it. Its not advised. Actually the 280x Vram overs would be worse since it would be swapping data from system memory vs 970's 500MB low priority memory.

http://www.pcgamer.com/why-nvidias-gtx-970-slows-down-using-more-than-35gb-vram/
 
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blasc

blasc

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Nov 21, 2014
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the "3.5GB + 0.5GB" issue has already been long solved, and many reviews on the internet show that it is no longer a "problem" (if you want to call it that).

it does not affect the performance basically.
 
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