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7770 vs GTX650

post #1 of 6
Thread Starter 
Now guys please no fan clubs war here or mine is better than yours without a reason,
I'm not buying a video card anytime soon so please don't suggest me a 3rd one for the price,
I want to know what's really the difference between the 2, and what's the computing power difference between the 2 ?
I've been a console gamer for a long time now and my last "real" vga was GeForce4.

both are $119 (newegg)
both are 128-bit, 1G GDDR5, just over Ghz core clock, same Dx, openGL.
the only difference i can see here is the Cuda cores vs steam cores
GTX is 384 and the radeon is 640


http://www.newegg.com/Product/Productcompare.aspx?Submit=ENE&N=100007709&IsNodeId=1&page=3&bop=And&ActiveSearchResult=True&CompareItemList=48|14-125-435^14-125-435-TS%2C14-125-445^14-125-445-TS&percm=14-125-435%3A%24%24%24%2438%24%24%24%3B14-125-445%3A%24%24%24%2438%24%24%24

I tried to choose something very similar in the comparison above (both gigabyte), so please feel free to ignore the manf. brand.

one more question why is one better in folding but the other is better in bitcoin mining? if that's even true...


thanks.
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post #2 of 6
they are pretty even . . .

http://www.anandtech.com/bench/Product/536?vs=681

i found the 650 cheaper here unless you want the game codes. might get it tax free . . .

http://www.superbiiz.com/detail.php?name=EV-GTX650
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post #3 of 6
Thread Starter 
thanks for the reply rdr09,
as i said, I'm not looking to buy a new one, I'm mainly asking what's the differences in them both in the computing-power point of view and why.
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post #4 of 6
As you said above: "GTX is 384 and the radeon is 640"

Nvidia's design uses larger cores, with more power for each core but can only fit 384 on the pcb.
AMD's design uses smaller and weaker cores, but more of them can fit on the pcb so you get 640 cores.
That is why they have similar performance.
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post #5 of 6
Id go for the 650 ti if you can swing it? I had a 7770 max I can hit with it was 30 fps on furmark regardless of the overclock and power settings, my personal opinion I would guess the Nvidia card should be better but ive never owned one so I cant say for sure!
     
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post #6 of 6
Thread Starter 
Quote:
Originally Posted by edalbkrad View Post

As you said above: "GTX is 384 and the radeon is 640"

Nvidia's design uses larger cores, with more power for each core but can only fit 384 on the pcb.
AMD's design uses smaller and weaker cores, but more of them can fit on the pcb so you get 640 cores.
That is why they have similar performance.

thanks that's what I imagined,
now if they are both are almost the same in processing jobs, why one is better than other in doing similar jobs (folding vs mining) if that is even true ?
thanks
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