What is the difference with hd 7950 and hd 7970

kratosbellic · Aug 1, 2013

i hear people saying that hd 7950 and hd 7970 dont have much difference..
is that really true
i bought recently sapphire hd 7950 boost 3gb and wanted to know

(a) that is it really powerful like 7970 or some way behind it

(b) my sapphire trixx utility tool says that gpu clock is 925 and memory clock 1250 but the box says gpu clock 850 with PowerTune Dynamic Boost rises to 925 MHz on the engine.

(c) is my card better than SAPPHIRE HD 7950 3GB GDDR5 OC with Boost VAPOR-X

my card

http://www.sapphiretech.com/presentation/product/?cid=1&gid=3&sgid=1157&pid=1841&lid=1

VAPOR-X

http://www.sapphiretech.com/presentation/product/?cid=1&gid=3&sgid=1157&pid=1547&psn=&lid=1&leg=0

Pinhedd · Aug 1, 2013

There's actually quite a large difference between the 7970 and the 7950, but the spread tends to be more noticeable at high resolutions. When performance is sufficient (>=60FPS) the spread between the 7970 and 7950 is pretty small. When performance is a bit lower, the spread trends towards a 20% spread.

The technical specifications can be found here

http://en.wikipedia.org/wiki/Comparison_of_AMD_graphics_processing_units#Southern_Islands_.28HD_7xxx.29_Series

SNA3 · Aug 1, 2013

kratosbellic :

enjoy your card and stop saying what is better

7950 is slower than 7970 ... but not that much

kratosbellic · Aug 1, 2013

Pinhedd :

what about other questions

Don't...

Bump posts

http://www.tomshardware.com/forum/283384-33-read-first

Pinhedd · Aug 1, 2013

kratosbellic :

Both AMD and NVidia have included utilities in their newest graphics cards which allow the cards to overclock themselves when there's thermal headroom available. Your GPU will nominally operate at 850Mhz, but under select workloads that aren't particularly stressful it will jump up to 925Mhz. This can improve performance in some conditions.

Those two links are the same, but the factory OC version is probably a bit better. You may be able to OC yours to match it.

kratosbellic · Aug 2, 2013

Pinhedd :

kratosbellic :

Both AMD and NVidia have included utilities in their newest graphics cards which allow the cards to overclock themselves when there's thermal headroom available. Your GPU will nominally operate at 850Mhz, but under select workloads that aren't particularly stressful it will jump up to 925Mhz. This can improve performance in some conditions.

Those two links are the same, but the factory OC version is probably a bit better. You may be able to OC yours to match it.

LINKS are fixed by the way second gpu is this
http://www.sapphiretech.com/presentation/product/?cid=1&gid=3&sgid=1157&pid=1547&psn=&lid=1&leg=0

kratosbellic · Aug 2, 2013

anyone who can tell me which is better or how different
my card

http://www.sapphiretech.com/presentation/product/?cid=1&gid=3&sgid=1157&pid=1841&lid=1

VAPOR-X

http://www.sapphiretech.com/presentation/product/?cid=1&gid=3&sgid=1157&pid=1547&psn=&lid=1&leg=0

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What is the difference with hd 7950 and hd 7970

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