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Geforce GTX 680 vs Radeon HD 7970


The Geforce GTX 680 features core speeds of 1006 MHz on the GPU, and 1502 MHz on the 2048 MB of GDDR5 RAM. It features 1536 SPUs along with 128 Texture Address Units and 32 Rasterization Operator Units.

Compare that to the Radeon HD 7970, which comes with clock speeds of 925 MHz on the GPU, and 1375 MHz on the 3072 MB of GDDR5 memory. It features 2048 SPUs as well as 128 Texture Address Units and 32 ROPs.

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These are real-world performance benchmarks that were submitted by Hardware Compare users. The scores seen here are the average of all benchmarks submitted for each respective test and hardware.

3DMark Fire Strike

Radeon HD 7970 8207 points
Geforce GTX 680 7642 points
Difference: 565 (7%)

Grand Theft Auto V | 1920x1080 | Very High

Geforce GTX 680 38 FPS
Radeon HD 7970 37 FPS
Difference: 1 (3%)

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Geforce GTX 680 195 Watts
Radeon HD 7970 250 Watts
Difference: 55 Watts (28%)

Memory Bandwidth

As far as performance goes, the Radeon HD 7970 should in theory be a lot better than the Geforce GTX 680 overall. (explain)

Radeon HD 7970 264000 MB/sec
Geforce GTX 680 192256 MB/sec
Difference: 71744 (37%)

Texel Rate

The Geforce GTX 680 is just a bit (about 9%) faster with regards to AF than the Radeon HD 7970. (explain)

Geforce GTX 680 128768 Mtexels/sec
Radeon HD 7970 118400 Mtexels/sec
Difference: 10368 (9%)

Pixel Rate

If using high levels of AA is important to you, then the Geforce GTX 680 is a better choice, but not by far. (explain)

Geforce GTX 680 32192 Mpixels/sec
Radeon HD 7970 29600 Mpixels/sec
Difference: 2592 (9%)

Please note that the above 'benchmarks' are all just theoretical - the results were calculated based on the card's specifications, and real-world performance may (and probably will) vary at least a bit.

Price Comparison

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Geforce GTX 680

Radeon HD 7970

Please note that the price comparisons are based on search keywords - sometimes it might show cards with very similar names that are not exactly the same as the one chosen in the comparison. We do try to filter out the wrong results as best we can, though.


Display Specifications

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Model Geforce GTX 680 Radeon HD 7970
Manufacturer nVidia AMD
Year March 2012 January 2012
Code Name GK104 Tahiti XT
Memory 2048 MB 3072 MB
Core Speed 1006 MHz 925 MHz
Memory Speed 6008 MHz 5500 MHz
Power (Max TDP) 195 watts 250 watts
Bandwidth 192256 MB/sec 264000 MB/sec
Texel Rate 128768 Mtexels/sec 118400 Mtexels/sec
Pixel Rate 32192 Mpixels/sec 29600 Mpixels/sec
Unified Shaders 1536 2048
Texture Mapping Units 128 128
Render Output Units 32 32
Bus Type GDDR5 GDDR5
Bus Width 256-bit 384-bit
Fab Process 28 nm 28 nm
Transistors 3540 million 4313 million
Bus PCIe 3.0 x16 PCIe 3.0 x16
DirectX Version DirectX 11.0 DirectX 11.1
OpenGL Version OpenGL 4.2 OpenGL 4.2

Memory Bandwidth: Memory bandwidth is the largest amount of information (in units of megabytes per second) that can be moved past the external memory interface in one second. It is worked out by multiplying the card's bus width by its memory clock speed. If the card has DDR type memory, the result should be multiplied by 2 again. If it uses DDR5, multiply by ANOTHER 2x. The better the card's memory bandwidth, the faster the card will be in general. It especially helps with anti-aliasing, High Dynamic Range and higher screen resolutions.

Texel Rate: Texel rate is the maximum number of texture map elements (texels) that are processed in one second. This is calculated by multiplying the total texture units of the card by the core clock speed of the chip. The higher this number, the better the graphics card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels processed per second.

Pixel Rate: Pixel rate is the maximum amount of pixels the video card could possibly record to the local memory in one second - measured in millions of pixels per second. The figure is calculated by multiplying the number of ROPs by the the core speed of the card. ROPs (Raster Operations Pipelines - also called Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel rate also depends on many other factors, most notably the memory bandwidth of the card - the lower the bandwidth is, the lower the ability to reach the max fill rate.


15 Responses to “Geforce GTX 680 vs Radeon HD 7970”
HD6990 sau HD7970 says:

[...] Nu ma intereseaza OC la nimic de aici. Un link destul de relevant zic eu despre 680 si 7970: Geforce GTX 680 vs Radeon HD 7970 – Performance Comparison Benchmarks @ Hardware Compare If you GTFO, vampires won't catch you. Reply With [...]

Domanda su Acer Predator G7760 e Dell Alienware Aurora ALX - Pagina 2 says:

[...] the Radeon HD 7970 should perform a lot faster than the Geforce GTX 680 overall. (explain) Radeon HD 7970 264000 MB/sec Geforce GTX 680 192256 MB/sec Difference: 71744 (37%) Texel [...]

omar farooq says:

I have The Radeon 7970 Sapphire Edition.In my opnion it's best graphic Card EVER.And if you download the new latest Beta Drivers.the FRAMS will be getting going Higher.And The 7970 is also Faster than GTX 680.So if someone is the FAN of AMD They can go for The 7970.And if someone is the FAN of Nvidia they can go for 680!both Cards are Awesome.And they dont have too much Difference too.!!So Personaly I LIKE RADEON 7970 HD.I LOVE IT.

Elias Maluco says:

"I have The Radeon 7970 Sapphire Edition.In my opnion it's best graphic Card EVER"

Did you see the GTX 690?

Ponas Nubas says:

"Did you see the GTX 690?"
Did you see the cost of the gtx690?

tautve says:

Still GTX 690 is easily best because of its dual gpu. Also, when HD 7990 comes out GTX 690's price should drop by quite a bit. By how much it depends on how good HD 7990 will be in comparison to GTX 690.

scho says:

The 680 beats the hd7970 needs 55 more watts and according to this is beats it 2 out of 3. Nvidia FTW

Nick says:

what about physics ?

ds says:

New amd drivers change the game i just bought a hd7970 for 380$

Stefan says:

Aha compare last and last
GeForce GTX 690 and Radeon 7970

steven says:

well to be honest i have look all over the internet i belive the 7970 ghz edition is the best. The test here only shows 925 mhz model i have the 1010 ghz 5500 ghz mem MSI model . i belive it beats the 680 on price bench marks ok not all but most on directX 10 and 11 ok 680 wins on directX 9 but who cars out old games want sim frame rates and save money i say nomore paid £310 7970 £400 680

prolific says:

Why would you compare the 690 and the 7970??? The 690 is a dual two 680's on one card...the 680 vs the 7970 is the comparison that matters. Compare the GTX 690 to the HD 7990...

Larksea says:

benchmarks suggest the cards are very even, which is better depends on the game.

Maybe the edge the 7970 has on paper is made up for by the overall better quality and support nvidia drivers offer.

The tie breaker for me is power usage - the GTX680 wins.

Rob says:

I got a 7970 Ghz Edition which beats the 680, for only $170. I'm happy :)

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