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Geforce GTX 770 vs Radeon HD 7970


The Geforce GTX 770 has a core clock frequency of 1046 MHz and a GDDR5 memory frequency of 1753 MHz. It also makes use of a 256-bit bus, and uses a 28 nm design. It is made up of 1536 SPUs, 128 Texture Address Units, and 32 ROPs.

Compare all of that to the Radeon HD 7970, which features a clock frequency of 925 MHz and a GDDR5 memory frequency of 1375 MHz. It also features a 384-bit bus, and makes use of a 28 nm design. It is made up of 2048 SPUs, 128 TAUs, 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 770 7817 points
Difference: 390 (5%)

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Geforce GTX 770 230 Watts
Radeon HD 7970 250 Watts
Difference: 20 Watts (9%)

Memory Bandwidth

The Radeon HD 7970, in theory, should perform a little bit faster than the Geforce GTX 770 in general. (explain)

Radeon HD 7970 264000 MB/sec
Geforce GTX 770 224384 MB/sec
Difference: 39616 (18%)

Texel Rate

The Geforce GTX 770 should be a bit (about 13%) more effective at anisotropic filtering than the Radeon HD 7970. (explain)

Geforce GTX 770 133888 Mtexels/sec
Radeon HD 7970 118400 Mtexels/sec
Difference: 15488 (13%)

Pixel Rate

The Geforce GTX 770 will be a small bit (more or less 13%) more effective at anti-aliasing than the Radeon HD 7970, and will be capable of handling higher resolutions better. (explain)

Geforce GTX 770 33472 Mpixels/sec
Radeon HD 7970 29600 Mpixels/sec
Difference: 3872 (13%)

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 770

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 770 Radeon HD 7970
Manufacturer nVidia AMD
Year May 2013 January 2012
Code Name GK104 Tahiti XT
Memory 2048 MB 3072 MB
Core Speed 1046 MHz 925 MHz
Memory Speed 7012 MHz 5500 MHz
Power (Max TDP) 230 watts 250 watts
Bandwidth 224384 MB/sec 264000 MB/sec
Texel Rate 133888 Mtexels/sec 118400 Mtexels/sec
Pixel Rate 33472 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 4.3 OpenGL 4.2

Memory Bandwidth: Memory bandwidth is the max amount of information (counted in MB per second) that can be moved past the external memory interface in a second. The number is calculated by multiplying the bus width by the speed of its memory. In the case of DDR type RAM, it should be multiplied by 2 again. If it uses DDR5, multiply by ANOTHER 2x. The better the bandwidth is, 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 per second. This number is worked out by multiplying the total texture units of the card by the core speed of the chip. The higher this number, the better the graphics card will be at handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels processed per second.

Pixel Rate: Pixel rate is the maximum number of pixels the graphics card can possibly write to the local memory in one second - measured in millions of pixels per second. Pixel rate is calculated by multiplying the amount of Raster Operations Pipelines by the the core speed of the card. ROPs (Raster Operations Pipelines - also sometimes called Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel output rate is also dependant on lots of other factors, especially the memory bandwidth - the lower the memory bandwidth is, the lower the potential to reach the max fill rate.


5 Responses to “Geforce GTX 770 vs Radeon HD 7970”
Blub says:

which card is better a msi r7970 lightning or evga 770 titan cooled ?
becouse i have a r7970 lightning.. :S

Scott says:

Depends, For video editing yes for most games, No. AMD Cards are better for Video editing and better at some games but Nividia is better for gaming, especially on the really popular games, BF3,Far Cry 3 ect... Those cards are pretty close though. The Asus 7970 ROG Matrix is better than the Lightning because of it's better cooling and heat dissipation. The 7970 ROG Matrix is also clocked to 316 GB/s and is much quieter and cooler than reference and lightning 7970's.

Hus says:

Add GHZ edition please

Lachlan says:

Add GHZ edition please

Bedendo says:

The Core Speed and Pixel Rate is wrong about 7970, fix this!

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