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GeForce GTX 560 Ti vs Radeon HD 7870 XT

Intro

The GeForce GTX 560 Ti comes with a core clock speed of 822 MHz and a GDDR5 memory frequency of 1002 MHz. It also makes use of a 256-bit memory bus, and makes use of a 40 nm design. It is comprised of 384 SPUs, 64 Texture Address Units, and 32 Raster Operation Units.

Compare all of that to the Radeon HD 7870 XT, which comes with a clock frequency of 925 MHz and a GDDR5 memory speed of 1500 MHz. It also uses a 256-bit bus, and uses a 28 nm design. It features 1536 SPUs, 96 Texture Address Units, and 32 Raster Operation Units.

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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 7870 XT 6390 points
GeForce GTX 560 Ti 3466 points
Difference: 2924 (84%)

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 560 Ti 170 Watts
Radeon HD 7870 XT 185 Watts
Difference: 15 Watts (9%)

Memory Bandwidth

Performance-wise, the Radeon HD 7870 XT should in theory be a lot better than the GeForce GTX 560 Ti in general. (explain)

Radeon HD 7870 XT 192000 MB/sec
GeForce GTX 560 Ti 128256 MB/sec
Difference: 63744 (50%)

Texel Rate

The Radeon HD 7870 XT should be a lot (more or less 69%) better at anisotropic filtering than the GeForce GTX 560 Ti. (explain)

Radeon HD 7870 XT 88800 Mtexels/sec
GeForce GTX 560 Ti 52608 Mtexels/sec
Difference: 36192 (69%)

Pixel Rate

The Radeon HD 7870 XT is just a bit (about 13%) better at full screen anti-aliasing than the GeForce GTX 560 Ti, and capable of handling higher screen resolutions without slowing down too much. (explain)

Radeon HD 7870 XT 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

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GeForce GTX 560 Ti

Amazon.com

Check prices at:

Radeon HD 7870 XT

Amazon.com

Check prices at:

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.

Specifications

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Model GeForce GTX 560 Ti Radeon HD 7870 XT
Manufacturer nVidia AMD
Year January 2011 November 2012
Code Name GF114 Tahiti LE
Memory 1024 MB 2048 MB
Core Speed 822 MHz 925 MHz
Memory Speed 4008 MHz 6000 MHz
Power (Max TDP) 170 watts 185 watts
Bandwidth 128256 MB/sec 192000 MB/sec
Texel Rate 52608 Mtexels/sec 88800 Mtexels/sec
Pixel Rate 26304 Mpixels/sec 29600 Mpixels/sec
Unified Shaders 384 1536
Texture Mapping Units 64 96
Render Output Units 32 32
Bus Type GDDR5 GDDR5
Bus Width 256-bit 256-bit
Fab Process 40 nm 28 nm
Transistors 1950 million 4313 million
Bus PCIe x16 PCIe 3.0 x16
DirectX Version DirectX 11 DirectX 11.1
OpenGL Version OpenGL 4.1 OpenGL 4.3

Memory Bandwidth: Memory bandwidth is the max amount of information (in units of MB per second) that can be transferred over the external memory interface in a second. It is calculated by multiplying the interface width by its memory speed. If the card has DDR RAM, it should be multiplied by 2 once 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 AA, 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 worked out by multiplying the total number of texture units by the core speed of the chip. The better this number, 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 most pixels the video card could possibly record to the local memory in a second - measured in millions of pixels per second. Pixel rate is calculated by multiplying the number of Render Output Units by the the core speed of the card. ROPs (Raster Operations Pipelines - sometimes also referred to as Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel fill rate also depends on quite a few other factors, most notably the memory bandwidth of the card - the lower the memory bandwidth is, the lower the potential to get to the max fill rate.

Display Prices

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GeForce GTX 560 Ti

Amazon.com

Check prices at:

Radeon HD 7870 XT

Amazon.com

Check prices at:

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.

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