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GeForce GTX 460 SE vs Radeon HD 6950 2GB

Intro

The GeForce GTX 460 SE comes with a core clock frequency of 650 MHz and a GDDR5 memory speed of 850 MHz. It also uses a 256-bit bus, and uses a 40 nm design. It is made up of 288 SPUs, 48 TAUs, and 32 ROPs.

Compare those specifications to the Radeon HD 6950 2GB, which features a clock speed of 800 MHz and a GDDR5 memory frequency of 1250 MHz. It also makes use of a 256-bit bus, and uses a 40 nm design. It features 1408 SPUs, 88 Texture Address Units, and 32 ROPs.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 460 SE 150 Watts
Radeon HD 6950 2GB 200 Watts
Difference: 50 Watts (33%)

Memory Bandwidth

In theory, the Radeon HD 6950 2GB is 47% quicker than the GeForce GTX 460 SE in general, due to its higher bandwidth. (explain)

Radeon HD 6950 2GB 160000 MB/sec
GeForce GTX 460 SE 108800 MB/sec
Difference: 51200 (47%)

Texel Rate

The Radeon HD 6950 2GB is a lot (about 126%) faster with regards to AF than the GeForce GTX 460 SE. (explain)

Radeon HD 6950 2GB 70400 Mtexels/sec
GeForce GTX 460 SE 31200 Mtexels/sec
Difference: 39200 (126%)

Pixel Rate

If using lots of anti-aliasing is important to you, then the Radeon HD 6950 2GB is the winner, by far. (explain)

Radeon HD 6950 2GB 25600 Mpixels/sec
GeForce GTX 460 SE 20800 Mpixels/sec
Difference: 4800 (23%)

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 460 SE

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 460 SE Radeon HD 6950 2GB
Manufacturer nVidia AMD
Year November 2010 December 2010
Code Name GF104 Cayman Pro
Memory 1024 MB 2048 MB
Core Speed 650 MHz 800 MHz
Memory Speed 3400 MHz 5000 MHz
Power (Max TDP) 150 watts 200 watts
Bandwidth 108800 MB/sec 160000 MB/sec
Texel Rate 31200 Mtexels/sec 70400 Mtexels/sec
Pixel Rate 20800 Mpixels/sec 25600 Mpixels/sec
Unified Shaders 288 1408
Texture Mapping Units 48 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 x16 PCIe x16
DirectX Version DirectX 11 DirectX 11
OpenGL Version OpenGL 4.1 OpenGL 4.1

Memory Bandwidth: Bandwidth is the largest amount of data (counted in megabytes per second) that can be moved past the external memory interface in one second. It's worked out by multiplying the card's interface width by its memory speed. If it uses DDR RAM, it must be multiplied by 2 again. If DDR5, multiply by ANOTHER 2x. The better the bandwidth is, the better 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 can be applied in one second. This number is calculated by multiplying the total amount of 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 processed in a second.

Pixel Rate: Pixel rate is the maximum number of pixels the video card could possibly record to its local memory in one second - measured in millions of pixels per second. The number is worked out by multiplying the amount of ROPs by the the core clock speed. ROPs (Raster Operations Pipelines - also called Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel rate also depends on many other factors, most notably the memory bandwidth - the lower the bandwidth is, the lower the potential to get to the maximum fill rate.

Display Prices

Hide Prices

GeForce GTX 460 SE

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.

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