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GeForce GTX 295 vs Radeon HD 6950 2GB

Intro

The GeForce GTX 295 comes with core speeds of 576 MHz on the GPU, and 999 MHz on the 896 MB of GDDR3 memory. It features 240 SPUs as well as 80 Texture Address Units and 28 Rasterization Operator Units.

Compare those specifications to the Radeon HD 6950 2GB, which uses a 40 nm design. AMD has set the core speed at 800 MHz. The GDDR5 memory works at a speed of 1250 MHz on this specific card. It features 1408 SPUs along with 88 TAUs and 32 ROPs.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon HD 6950 2GB 200 Watts
GeForce GTX 295 289 Watts
Difference: 89 Watts (45%)

Memory Bandwidth

The GeForce GTX 295, in theory, should perform quite a bit faster than the Radeon HD 6950 2GB in general. (explain)

GeForce GTX 295 223776 MB/sec
Radeon HD 6950 2GB 160000 MB/sec
Difference: 63776 (40%)

Texel Rate

The GeForce GTX 295 will be much (more or less 31%) faster with regards to anisotropic filtering than the Radeon HD 6950 2GB. (explain)

GeForce GTX 295 92160 Mtexels/sec
Radeon HD 6950 2GB 70400 Mtexels/sec
Difference: 21760 (31%)

Pixel Rate

The GeForce GTX 295 will be much (more or less 26%) better at anti-aliasing than the Radeon HD 6950 2GB, and also will be capable of handling higher resolutions without losing too much performance. (explain)

GeForce GTX 295 32256 Mpixels/sec
Radeon HD 6950 2GB 25600 Mpixels/sec
Difference: 6656 (26%)

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.

One or more cards in this comparison are multi-core. This means that their bandwidth, texel and pixel rates are theoretically doubled - this does not mean the card will actually perform twice as fast, but only that it should in theory be able to. Actual game benchmarks will give a more accurate idea of what it's capable of.

Price Comparison

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GeForce GTX 295

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 295 Radeon HD 6950 2GB
Manufacturer nVidia AMD
Year January 8, 2009 December 2010
Code Name G200b Cayman Pro
Memory 896 MB (x2) 2048 MB
Core Speed 576 MHz (x2) 800 MHz
Memory Speed 1998 MHz (x2) 5000 MHz
Power (Max TDP) 289 watts 200 watts
Bandwidth 223776 MB/sec 160000 MB/sec
Texel Rate 92160 Mtexels/sec 70400 Mtexels/sec
Pixel Rate 32256 Mpixels/sec 25600 Mpixels/sec
Unified Shaders 240 (x2) 1408
Texture Mapping Units 80 (x2) 88
Render Output Units 28 (x2) 32
Bus Type GDDR3 GDDR5
Bus Width 448-bit (x2) 256-bit
Fab Process 55 nm 40 nm
Transistors 1400 million 2640 million
Bus PCIe x16 2.0 PCIe x16
DirectX Version DirectX 10 DirectX 11
OpenGL Version OpenGL 3.1 OpenGL 4.1

Memory Bandwidth: Bandwidth is the maximum amount of information (in units of MB per second) that can be transferred across the external memory interface in a second. It's calculated by multiplying the card's bus width by its memory speed. In the case of DDR type RAM, it must be multiplied by 2 again. If DDR5, multiply by 4 instead. 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 amount of texture map elements (texels) that are processed in one second. This is worked out by multiplying the total amount of texture units of the card by the core clock 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 applied per second.

Pixel Rate: Pixel rate is the most pixels the graphics card can possibly record to its local memory in one second - measured in millions of pixels per second. The figure is calculated by multiplying the number of ROPs by the clock speed of the card. ROPs (Raster Operations Pipelines - also called Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel fill 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.

Display Prices

Hide Prices

GeForce GTX 295

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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