GeForce GTX 560 Ti vs Radeon HD 7970

Intro

Compare those specifications to the Radeon HD 7970, which comes with GPU clock speed of 925 MHz, and 3072 MB of GDDR5 memory set to run at 1375 MHz through a 384-bit bus. It also is comprised of 2048 SPUs, 128 TAUs, and 32 Raster Operation Units.

Display Graphs

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Benchmarks

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 Graphics Score

Radeon HD 7970		8225 points
GeForce GTX 560 Ti		3466 points
	Difference: 4759 (137%)

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 560 Ti		170 Watts
Radeon HD 7970		250 Watts
	Difference: 80 Watts (47%)

Memory Bandwidth

Theoretically, the Radeon HD 7970 should perform much faster than the GeForce GTX 560 Ti overall. (explain)

Radeon HD 7970		264000 MB/sec
GeForce GTX 560 Ti		128256 MB/sec
	Difference: 135744 (106%)

Texel Rate

The Radeon HD 7970 will be quite a bit (approximately 125%) faster with regards to texture filtering than the GeForce GTX 560 Ti. (explain)

Radeon HD 7970		118400 Mtexels/sec
GeForce GTX 560 Ti		52608 Mtexels/sec
	Difference: 65792 (125%)

Pixel Rate

The Radeon HD 7970 is just a bit (approximately 13%) faster with regards to FSAA than the GeForce GTX 560 Ti, and able to handle higher screen resolutions better. (explain)

Radeon HD 7970		29600 Mpixels/sec
GeForce GTX 560 Ti		26304 Mpixels/sec
	Difference: 3296 (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

Specifications

Memory Bandwidth: Memory bandwidth is the maximum amount of data (counted in MB per second) that can be transported across the external memory interface in a second. It's worked out by multiplying the card's bus width by the speed of its memory. If the card has DDR type RAM, it must be multiplied by 2 again. If it uses DDR5, multiply by 4 instead. The higher the card's memory bandwidth, the faster the card will be in general. It especially helps with anti-aliasing, High Dynamic Range and high resolutions.

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

Pixel Rate: Pixel rate is the maximum number of pixels that the graphics chip could possibly write to the local memory per second - measured in millions of pixels per second. The number is worked out by multiplying the number of Render Output Units by the the card's clock speed. ROPs (Raster Operations Pipelines - also called Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel fill rate is also dependant on lots of other factors, especially the memory bandwidth of the card - the lower the memory bandwidth is, the lower the potential to get to the maximum fill rate.