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GeForce GTX 460 1GB vs Radeon HD 5970

Intro

The GeForce GTX 460 1GB makes use of a 40 nm design. nVidia has clocked the core speed at 675 MHz. The GDDR5 memory works at a speed of 900 MHz on this card. It features 336 SPUs as well as 56 TAUs and 32 ROPs.

Compare those specs to the Radeon HD 5970, which makes use of a 40 nm design. AMD has clocked the core frequency at 725 MHz. The GDDR5 RAM works at a frequency of 1000 MHz on this specific card. It features 1600 SPUs along with 160 Texture Address Units and 64 Rasterization Operator Units.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 460 1GB 160 Watts
Radeon HD 5970 294 Watts
Difference: 134 Watts (84%)

Memory Bandwidth

Theoretically, the Radeon HD 5970 should perform much faster than the GeForce GTX 460 1GB overall. (explain)

Radeon HD 5970 256000 MB/sec
GeForce GTX 460 1GB 115200 MB/sec
Difference: 140800 (122%)

Texel Rate

The Radeon HD 5970 will be quite a bit (approximately 514%) more effective at anisotropic filtering than the GeForce GTX 460 1GB. (explain)

Radeon HD 5970 232000 Mtexels/sec
GeForce GTX 460 1GB 37800 Mtexels/sec
Difference: 194200 (514%)

Pixel Rate

The Radeon HD 5970 should be a lot (approximately 330%) more effective at anti-aliasing than the GeForce GTX 460 1GB, and able to handle higher resolutions better. (explain)

Radeon HD 5970 92800 Mpixels/sec
GeForce GTX 460 1GB 21600 Mpixels/sec
Difference: 71200 (330%)

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 1GB

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 1GB Radeon HD 5970
Manufacturer nVidia AMD
Year July 2010 November 2009
Code Name GF104 Hemlock XT
Memory 1024 MB 1024 MB (x2)
Core Speed 675 MHz 725 MHz (x2)
Memory Speed 3600 MHz 4000 MHz (x2)
Power (Max TDP) 160 watts 294 watts
Bandwidth 115200 MB/sec 256000 MB/sec
Texel Rate 37800 Mtexels/sec 232000 Mtexels/sec
Pixel Rate 21600 Mpixels/sec 92800 Mpixels/sec
Unified Shaders 336 1600 (x2)
Texture Mapping Units 56 160 (x2)
Render Output Units 32 64 (x2)
Bus Type GDDR5 GDDR5
Bus Width 256-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 maximum amount of data (counted in megabytes per second) that can be transported over the external memory interface within a second. It is calculated by multiplying the bus width by the speed of its memory. In the case of DDR type RAM, it must be multiplied by 2 again. If DDR5, multiply by 4 instead. The better the bandwidth is, the better the card will be in general. It especially helps with AA, HDR and higher screen resolutions.

Texel Rate: Texel rate is the maximum number of texture map elements (texels) that can be processed per second. This figure is calculated by multiplying the total amount of texture units of the card by the core speed of the chip. The better this number, the better the graphics card will be at handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels processed in a second.

Pixel Rate: Pixel rate is the most pixels that the graphics chip can possibly record to its local memory in one second - measured in millions of pixels per second. The figure is worked out by multiplying the number of ROPs by the the core speed of the card. ROPs (Raster Operations Pipelines - aka 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, 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 1GB

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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