Nvidia GT 640 vs ATI Radeon 7770

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Get the 7770, it is way better and even the 7750 beats the 640 and the 6670 is on par with it
passmark is completely synthetic and therefore is unrepresentative of real world in game performance

Latest drivers and what not
all perf relative to the OC 650ti

perfrel.gif


feeblepenguin

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Dec 13, 2012
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7770 is roughly 70 percent faster.

for future reference,
I recommend passmark for a quick benchmark comparison. just google them, it will pop up.
BTW, it's only a benchmark, but it does work for rough estimates
 

CaptainTom

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May 3, 2012
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How good a GT 640 is mostly depends on its memory interface. The DDR3 version is most common and is comparable to a mere Radeon 6670 GDDR5 (about a third of the Radeon 7770 on average). The GDDR5 version is much rarer, but is semi-decent at about 20% slower than a GTX 650 at stock, reference frequencies (a little over half of a Radeon 7770 on average). Neither of the versions are worth buying over a Radeon 7770 at a similar price nor even worth buying over a Radeon 7750 in most situations.
 
Get the 7770, it is way better and even the 7750 beats the 640 and the 6670 is on par with it
passmark is completely synthetic and therefore is unrepresentative of real world in game performance

Latest drivers and what not
all perf relative to the OC 650ti

perfrel.gif


 
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