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GeForce GTX 460 vs Radeon HD 5970

Intro

The GeForce GTX 460 comes with core speeds of 675 MHz on the GPU, and 900 MHz on the 768 MB of GDDR5 RAM. It features 336 SPUs along with 56 TAUs and 24 ROPs.

Compare those specifications to the Radeon HD 5970, which comes with a core clock frequency of 725 MHz and a GDDR5 memory frequency of 1000 MHz. It also uses a 256-bit bus, and uses a 40 nm design. It is comprised of 1600 SPUs, 160 Texture Address Units, and 64 Raster Operation Units.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 460 150 Watts
Radeon HD 5970 294 Watts
Difference: 144 Watts (96%)

Memory Bandwidth

In theory, the Radeon HD 5970 should perform much faster than the GeForce GTX 460 overall. (explain)

Radeon HD 5970 256000 MB/sec
GeForce GTX 460 86400 MB/sec
Difference: 169600 (196%)

Texel Rate

The Radeon HD 5970 should be a lot (more or less 514%) more effective at texture filtering than the GeForce GTX 460. (explain)

Radeon HD 5970 232000 Mtexels/sec
GeForce GTX 460 37800 Mtexels/sec
Difference: 194200 (514%)

Pixel Rate

The Radeon HD 5970 will be quite a bit (more or less 473%) faster with regards to FSAA than the GeForce GTX 460, and should be capable of handling higher screen resolutions better. (explain)

Radeon HD 5970 92800 Mpixels/sec
GeForce GTX 460 16200 Mpixels/sec
Difference: 76600 (473%)

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 460

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 460 Radeon HD 5970
Manufacturer nVidia AMD
Year July 2010 November 2009
Code Name GF104 Hemlock XT
Memory 768 MB 1024 MB (x2)
Core Speed 675 MHz 725 MHz (x2)
Memory Speed 3600 MHz 4000 MHz (x2)
Power (Max TDP) 150 watts 294 watts
Bandwidth 86400 MB/sec 256000 MB/sec
Texel Rate 37800 Mtexels/sec 232000 Mtexels/sec
Pixel Rate 16200 Mpixels/sec 92800 Mpixels/sec
Unified Shaders 336 1600 (x2)
Texture Mapping Units 56 160 (x2)
Render Output Units 24 64 (x2)
Bus Type GDDR5 GDDR5
Bus Width 192-bit 256-bit (x2)
Fab Process 40 nm 40 nm
Transistors 1950 million 2154 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 information (measured in MB per second) that can be moved over the external memory interface in one second. It is calculated by multiplying the interface width by its memory speed. In the case of DDR RAM, it should be multiplied by 2 again. If DDR5, multiply by 4 instead. The better the bandwidth is, the faster 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 processed in one second. This number is worked out by multiplying the total amount of texture units by the core speed of the chip. The higher the texel rate, the better the card will be at handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels in a second.

Pixel Rate: Pixel rate is the most pixels that the graphics chip could possibly write to its local memory per second - measured in millions of pixels per second. The figure is calculated by multiplying the number of colour ROPs by the the card's clock speed. ROPs (Raster Operations Pipelines - also sometimes called Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel fill rate is also dependant on many other factors, especially the memory bandwidth - the lower the memory bandwidth is, the lower the potential to reach the max fill rate.

Display Prices

Hide Prices

GeForce GTX 460

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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