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GeForce GTX 580 vs Radeon HD 5670

Intro

The GeForce GTX 580 has a GPU clock speed of 772 MHz, and the 1536 MB of GDDR5 RAM runs at 1002 MHz through a 384-bit bus. It also is comprised of 512 SPUs, 64 Texture Address Units, and 48 Raster Operation Units.

Compare that to the Radeon HD 5670, which uses a 40 nm design. AMD has clocked the core speed at 775 MHz. The GDDR5 memory is set to run at a frequency of 1000 MHz on this particular card. It features 400(80x5) SPUs as well as 20 Texture Address Units and 8 Rasterization Operator Units.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon HD 5670 61 Watts
GeForce GTX 580 244 Watts
Difference: 183 Watts (300%)

Memory Bandwidth

In theory, the GeForce GTX 580 is 201% quicker than the Radeon HD 5670 overall, due to its higher data rate. (explain)

GeForce GTX 580 192384 MB/sec
Radeon HD 5670 64000 MB/sec
Difference: 128384 (201%)

Texel Rate

The GeForce GTX 580 should be a lot (approximately 219%) more effective at anisotropic filtering than the Radeon HD 5670. (explain)

GeForce GTX 580 49408 Mtexels/sec
Radeon HD 5670 15500 Mtexels/sec
Difference: 33908 (219%)

Pixel Rate

The GeForce GTX 580 should be quite a bit (approximately 498%) more effective at anti-aliasing than the Radeon HD 5670, and also should be capable of handling higher screen resolutions better. (explain)

GeForce GTX 580 37056 Mpixels/sec
Radeon HD 5670 6200 Mpixels/sec
Difference: 30856 (498%)

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.

Price Comparison

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GeForce GTX 580

Amazon.com

Radeon HD 5670

Amazon.com

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 580 Radeon HD 5670
Manufacturer nVidia AMD
Year November 2010 January 14, 2010
Code Name GF110 Redwood XT
Memory 1536 MB 1024 MB
Core Speed 772 MHz 775 MHz
Memory Speed 4008 MHz 4000 MHz
Power (Max TDP) 244 watts 61 watts
Bandwidth 192384 MB/sec 64000 MB/sec
Texel Rate 49408 Mtexels/sec 15500 Mtexels/sec
Pixel Rate 37056 Mpixels/sec 6200 Mpixels/sec
Unified Shaders 512 400(80x5)
Texture Mapping Units 64 20
Render Output Units 48 8
Bus Type GDDR5 GDDR5
Bus Width 384-bit 128-bit
Fab Process 40 nm 40 nm
Transistors 3000 million 627 million
Bus PCIe x16 PCIe 2.1 x16
DirectX Version DirectX 11 DirectX 11
OpenGL Version OpenGL 4.1 OpenGL 3.2

Memory Bandwidth: Bandwidth is the max amount of data (counted in megabytes per second) that can be transferred past the external memory interface within a second. It's worked out by multiplying the card's interface width by the speed of its memory. In the case of DDR type memory, it must be multiplied by 2 again. If DDR5, multiply by ANOTHER 2x. The higher the bandwidth is, 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 can be applied in one second. This number is calculated by multiplying the total amount of texture units by the core clock speed of the chip. The better the texel rate, the better the video card will be at handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels per second.

Pixel Rate: Pixel rate is the most pixels the graphics card could possibly record to the local memory in a second - measured in millions of pixels per second. Pixel rate is worked out by multiplying the amount of ROPs by the the card's clock speed. ROPs (Raster Operations Pipelines - also sometimes called Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel output rate is also dependant on quite a few other factors, especially the memory bandwidth - the lower the memory bandwidth is, the lower the potential to get to the max fill rate.

Display Prices

Hide Prices

GeForce GTX 580

Amazon.com

Radeon HD 5670

Amazon.com

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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