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GeForce GTX 560 vs Radeon HD 6950 2GB

Intro

The GeForce GTX 560 features a GPU core clock speed of 810 MHz, and the 1024 MB of GDDR5 memory is set to run at 1001 MHz through a 256-bit bus. It also is made up of 336 Stream Processors, 56 TAUs, and 32 ROPs.

Compare all of that to the Radeon HD 6950 2GB, which features a core clock frequency of 800 MHz and a GDDR5 memory frequency of 1250 MHz. It also makes use of a 256-bit bus, and makes use of a 40 nm design. It is made up of 1408 SPUs, 88 TAUs, and 32 Raster Operation Units.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 560 150 Watts
Radeon HD 6950 2GB 200 Watts
Difference: 50 Watts (33%)

Memory Bandwidth

The Radeon HD 6950 2GB should in theory perform quite a bit faster than the GeForce GTX 560 overall. (explain)

Radeon HD 6950 2GB 160000 MB/sec
GeForce GTX 560 128128 MB/sec
Difference: 31872 (25%)

Texel Rate

The Radeon HD 6950 2GB should be quite a bit (about 55%) better at texture filtering than the GeForce GTX 560. (explain)

Radeon HD 6950 2GB 70400 Mtexels/sec
GeForce GTX 560 45360 Mtexels/sec
Difference: 25040 (55%)

Pixel Rate

If using high levels of AA is important to you, then the GeForce GTX 560 is the winner, though only just barely. (explain)

GeForce GTX 560 25920 Mpixels/sec
Radeon HD 6950 2GB 25600 Mpixels/sec
Difference: 320 (1%)

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

Amazon.com

Check prices at:

Radeon HD 6950 2GB

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 Radeon HD 6950 2GB
Manufacturer nVidia AMD
Year May 2011 December 2010
Code Name GF114 Cayman Pro
Memory 1024 MB 2048 MB
Core Speed 810 MHz 800 MHz
Memory Speed 4004 MHz 5000 MHz
Power (Max TDP) 150 watts 200 watts
Bandwidth 128128 MB/sec 160000 MB/sec
Texel Rate 45360 Mtexels/sec 70400 Mtexels/sec
Pixel Rate 25920 Mpixels/sec 25600 Mpixels/sec
Unified Shaders 336 1408
Texture Mapping Units 56 88
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 2.0 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 (counted in MB per second) that can be moved across the external memory interface within a second. It's worked out by multiplying the card's interface width by its memory speed. In the case of DDR memory, the result should be multiplied by 2 once again. If it uses DDR5, multiply by ANOTHER 2x. The better the memory bandwidth, the better the card will be in general. It especially helps with anti-aliasing, HDR and higher screen resolutions.

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

Pixel Rate: Pixel rate is the maximum amount of pixels that the graphics card can possibly write to its local memory in one second - measured in millions of pixels per second. Pixel rate is calculated by multiplying the number of Raster Operations Pipelines by the the card's clock speed. ROPs (Raster Operations Pipelines - also sometimes called Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel rate is also dependant 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 reach the max fill rate.

Display Prices

Hide Prices

GeForce GTX 560

Amazon.com

Check prices at:

Radeon HD 6950 2GB

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.

Comments

One Response to “GeForce GTX 560 vs Radeon HD 6950 2GB”
Some Dude says:

Thank you so much for this! I think I'll go with a 6950, lol

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