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Benefits of Gddr5 over Gddr3

post #1 of 4
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What are the benefits of Gddr5 over Gddr3, I'm really confused about the two. I know that Gddr5 is faster than Gddr3 but when i compare different Video cards i get confuse on them. One example is the HD6750 1gb GDDR3 compared to HD6670 1gb GDDR3, which one will perform better on high end games such as BF3 and Crysis 2 on all max settings. so any enlightenment would be greatly appreciated
post #2 of 4
the higher the number, the faster the card is. just a general rule. only the if there in the same generation that is. the 6750 will perform better than the 6670, but both will be bad in games such as BF3 and Crysis 2 (assuming your playing games at 1080p)
GDDR3 is just a slower version of GDDR5. theres really no difference (though memory bandwidth could be different, though that, again, is just big number = better performance)
Edited by TNTGODZZ - 2/18/12 at 4:40am
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post #3 of 4
gddr5 is better..translates to more than twice as fast
also..look for 256-bit bus ..if you can..on the low end..this would be 6790
 
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post #4 of 4
It usually corresponds to memory bandwidth, I.E. the speed at which the GPU can address textures stored in the memory. Thus making it a faster card.

However that doesn't mean that just because a card has fast memory it is instantly better. It depends more so on the GPU.
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