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GeForce GTX 470 vs Radeon HD 5970

Intro

The GeForce GTX 470 comes with a GPU core clock speed of 607 MHz, and the 1280 MB of GDDR5 RAM runs at 837 MHz through a 320-bit bus. It also is made up of 448 SPUs, 56 Texture Address Units, and 40 Raster Operation Units.

Compare all that to the Radeon HD 5970, which comes with a clock frequency of 725 MHz and a GDDR5 memory frequency of 1000 MHz. It also features a 256-bit bus, and makes use of a 40 nm design. It features 1600 SPUs, 160 Texture Address Units, and 64 ROPs.

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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

In theory, the Radeon HD 5970 should be 91% quicker than the GeForce GTX 470 in general, due to its higher data rate. (explain)

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

Texel Rate

The Radeon HD 5970 is much (about 583%) faster with regards to AF 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 far. (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 maximum amount of information (counted in MB per second) that can be transported past the external memory interface in a second. It is worked out by multiplying the card's interface width by its memory clock speed. If it uses DDR memory, it should be multiplied by 2 again. If DDR5, multiply by ANOTHER 2x. The better the card's memory bandwidth, 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 texture map elements (texels) that are applied per second. This number is worked out by multiplying the total texture units of the card by the core speed of the chip. The better this number, the better the video card will be at handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels processed in one 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 number is worked out by multiplying the number of Render Output Units by the clock speed of the card. ROPs (Raster Operations Pipelines - also sometimes called Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel rate is also dependant on lots of other factors, most notably the memory bandwidth of the card - the lower the memory bandwidth is, the lower the potential to get to the max fill rate.

Display Prices

Hide Prices

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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