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GeForce GTX 470 vs Radeon HD 5970

Intro

The GeForce GTX 470 has core speeds of 607 MHz on the GPU, and 837 MHz on the 1280 MB of GDDR5 RAM. It features 448 SPUs as well as 56 Texture Address Units and 40 Rasterization Operator Units.

Compare those specifications to the Radeon HD 5970, which uses a 40 nm design. AMD has set the core speed at 725 MHz. The GDDR5 RAM runs at a speed of 1000 MHz on this specific card. It features 1600 SPUs as well as 160 Texture Address Units and 64 Rasterization Operator Units.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 470 215 Watts
Radeon HD 5970 294 Watts
Difference: 79 Watts (37%)

Memory Bandwidth

The Radeon HD 5970 should theoretically perform quite a bit faster than the GeForce GTX 470 overall. (explain)

Radeon HD 5970 256000 MB/sec
GeForce GTX 470 133920 MB/sec
Difference: 122080 (91%)

Texel Rate

The Radeon HD 5970 should be much (about 583%) better at texture filtering than the GeForce GTX 470. (explain)

Radeon HD 5970 232000 Mtexels/sec
GeForce GTX 470 33992 Mtexels/sec
Difference: 198008 (583%)

Pixel Rate

If using lots of anti-aliasing is important to you, then the Radeon HD 5970 is the winner, by a large margin. (explain)

Radeon HD 5970 92800 Mpixels/sec
GeForce GTX 470 24280 Mpixels/sec
Difference: 68520 (282%)

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 470

Amazon.com

Check prices at:

Radeon HD 5970

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 470 Radeon HD 5970
Manufacturer nVidia AMD
Year March 2010 November 2009
Code Name GF100 Hemlock XT
Memory 1280 MB 1024 MB (x2)
Core Speed 607 MHz 725 MHz (x2)
Memory Speed 3348 MHz 4000 MHz (x2)
Power (Max TDP) 215 watts 294 watts
Bandwidth 133920 MB/sec 256000 MB/sec
Texel Rate 33992 Mtexels/sec 232000 Mtexels/sec
Pixel Rate 24280 Mpixels/sec 92800 Mpixels/sec
Unified Shaders 448 1600 (x2)
Texture Mapping Units 56 160 (x2)
Render Output Units 40 64 (x2)
Bus Type GDDR5 GDDR5
Bus Width 320-bit 256-bit (x2)
Fab Process 40 nm 40 nm
Transistors 3000 million 2154 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 (counted in MB per second) that can be moved over the external memory interface in one second. It's calculated by multiplying the interface width by its memory speed. In the case of DDR type RAM, it must be multiplied by 2 once again. If DDR5, multiply by 4 instead. The better the memory bandwidth, the faster 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 are applied in one second. This is worked out by multiplying the total number of texture units of the card by the core speed of the chip. The higher this number, the better the card will be at handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels in one second.

Pixel Rate: Pixel rate is the maximum amount of pixels the video card could possibly record to the local memory in one second - measured in millions of pixels per second. The figure is calculated by multiplying the amount of Render Output Units by the the card's clock speed. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel fill rate is also dependant on lots of other factors, most notably the memory bandwidth of the card - the lower the bandwidth is, the lower the ability to reach the maximum fill rate.

Display Prices

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GeForce GTX 470

Amazon.com

Check prices at:

Radeon HD 5970

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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