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GeForce GTX 580 vs Radeon RX 6600

Intro

The GeForce GTX 580 comes with clock speeds of 772 MHz on the GPU, and 1002 MHz on the 1536 MB of GDDR5 RAM. It features 512 SPUs as well as 64 Texture Address Units and 48 Rasterization Operator Units.

Compare that to the Radeon RX 6600, which comes with a clock speed of 1626 MHz and a GDDR6 memory frequency of 1750 MHz. It also uses a 128-bit memory bus, and uses a 7 nm design. It is made up of 1792 SPUs, 112 TAUs, and 64 ROPs.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon RX 6600 132 Watts
GeForce GTX 580 244 Watts
Difference: 112 Watts (85%)

Memory Bandwidth

The Radeon RX 6600 should theoretically be a small bit faster than the GeForce GTX 580 in general. (explain)

Radeon RX 6600 229376 MB/sec
GeForce GTX 580 192384 MB/sec
Difference: 36992 (19%)

Texel Rate

The Radeon RX 6600 should be quite a bit (about 269%) faster with regards to texture filtering than the GeForce GTX 580. (explain)

Radeon RX 6600 182112 Mtexels/sec
GeForce GTX 580 49408 Mtexels/sec
Difference: 132704 (269%)

Pixel Rate

If using lots of anti-aliasing is important to you, then the Radeon RX 6600 is a better choice, by a large margin. (explain)

Radeon RX 6600 104064 Mpixels/sec
GeForce GTX 580 37056 Mpixels/sec
Difference: 67008 (181%)

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

Check prices at:

Radeon RX 6600

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 580 Radeon RX 6600
Manufacturer nVidia AMD
Year November 2010 October 2021
Code Name GF110 Navi 23
Memory 1536 MB 8192 MB
Core Speed 772 MHz 1626 MHz
Memory Speed 4008 MHz 3500 GB/s
Power (Max TDP) 244 watts 132 watts
Bandwidth 192384 MB/sec 229376 MB/sec
Texel Rate 49408 Mtexels/sec 182112 Mtexels/sec
Pixel Rate 37056 Mpixels/sec 104064 Mpixels/sec
Unified Shaders 512 1792
Texture Mapping Units 64 112
Render Output Units 48 64
Bus Type GDDR5 GDDR6
Bus Width 384-bit 128-bit
Fab Process 40 nm 7 nm
Transistors 3000 million 11060 million
Bus PCIe x16 PCIe 4.0 x16
DirectX Version DirectX 11 DirectX 12
OpenGL Version OpenGL 4.1 OpenGL 4.6

Memory Bandwidth: Memory bandwidth is the largest amount of information (counted in MB per second) that can be transported past the external memory interface within a second. It's calculated by multiplying the interface width by the speed of its memory. In the case of DDR type memory, it should be multiplied by 2 again. If it uses DDR5, multiply by ANOTHER 2x. The higher the memory bandwidth, the better the card will be in general. It especially helps with anti-aliasing, HDR and high resolutions.

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

Pixel Rate: Pixel rate is the maximum amount of pixels the video card can possibly write to the local memory in a second - measured in millions of pixels per second. Pixel rate is calculated by multiplying the number of Raster Operations Pipelines by the clock speed of the card. 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, most notably the memory bandwidth - the lower the bandwidth is, the lower the ability to get to the maximum fill rate.

Display Prices

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GeForce GTX 580

Amazon.com

Check prices at:

Radeon RX 6600

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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