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GeForce GTX 560 Ti vs Radeon HD 6970

Intro

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

Compare that to the Radeon HD 6970, which has a GPU core clock speed of 880 MHz, and 2048 MB of GDDR5 memory running at 1375 MHz through a 256-bit bus. It also is comprised of 1536 Stream Processors, 96 TAUs, and 32 Raster Operation Units.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 560 Ti 170 Watts
Radeon HD 6970 250 Watts
Difference: 80 Watts (47%)

Memory Bandwidth

Theoretically speaking, the Radeon HD 6970 will be 37% faster than the GeForce GTX 560 Ti in general, because of its higher bandwidth. (explain)

Radeon HD 6970 176000 MB/sec
GeForce GTX 560 Ti 128256 MB/sec
Difference: 47744 (37%)

Texel Rate

The Radeon HD 6970 should be much (more or less 61%) more effective at anisotropic filtering than the GeForce GTX 560 Ti. (explain)

Radeon HD 6970 84480 Mtexels/sec
GeForce GTX 560 Ti 52608 Mtexels/sec
Difference: 31872 (61%)

Pixel Rate

The Radeon HD 6970 should be a small bit (more or less 7%) more effective at full screen anti-aliasing than the GeForce GTX 560 Ti, and also able to handle higher resolutions without slowing down too much. (explain)

Radeon HD 6970 28160 Mpixels/sec
GeForce GTX 560 Ti 26304 Mpixels/sec
Difference: 1856 (7%)

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

GeForce GTX 560 Ti

Radeon HD 6970

Specifications

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Model GeForce GTX 560 Ti Radeon HD 6970
Manufacturer nVidia AMD
Year January 2011 December 2010
Code Name GF114 Cayman XT
Memory 1024 MB 2048 MB
Core Speed 822 MHz 880 MHz
Memory Speed 4008 MHz 5500 MHz
Power (Max TDP) 170 watts 250 watts
Bandwidth 128256 MB/sec 176000 MB/sec
Texel Rate 52608 Mtexels/sec 84480 Mtexels/sec
Pixel Rate 26304 Mpixels/sec 28160 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 40 nm
Transistors 1950 million 2640 million
Bus PCIe x16 PCIe x16
DirectX Version DirectX 11 DirectX 11
OpenGL Version OpenGL 4.1 OpenGL 4.1

Memory Bandwidth: Memory bandwidth is the max amount of information (measured in MB per second) that can be moved across the external memory interface within a second. It's calculated 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 4 instead. The better the memory bandwidth, the faster the card will be in general. It especially helps with AA, 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 worked out by multiplying the total texture units by the core speed of the chip. The higher the texel rate, the better the 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 most pixels the graphics card could possibly write to the local memory per second - measured in millions of pixels per second. The figure is calculated by multiplying the amount of Render Output Units by the the core clock speed. ROPs (Raster Operations Pipelines - sometimes also referred to as Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel rate is also dependant on lots of other factors, especially the memory bandwidth - the lower the bandwidth is, the lower the potential to reach the max fill rate.

GeForce GTX 560 Ti

Radeon HD 6970

Comments

3 Responses to “GeForce GTX 560 Ti vs Radeon HD 6970”
problema con ati 6950 - Pagina 5 - Forum di Tom's Hardware says:

[...] ma di PC...ascolta vatti a vedere bene i bench...560ti meglio della 6970 mi fa abbastanza sorridereGeForce GTX 560 Ti vs Radeon HD 6970 – Performance Comparison Benchmarks @ Hardware Compare la 6950 2gb con la 560TI supera di poco la 6950 , ma alla fine si equivalgono...io sto parlando di [...]

Anonymous says:

[...] [...]

Want to upgrade but not sure what to change says:

[...] His budget max out @ SGD250; SGD250 could get you a reference 6970/6950 if you're barely lucky. GeForce GTX 560 Ti vs Radeon HD 6970 – Performance Comparison Benchmarks @ Hardware Compare [...]

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