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GeForce GTX 580 vs Radeon RX 6600

Intro

The GeForce GTX 580 comes with a GPU core clock speed of 772 MHz, and the 1536 MB of GDDR5 RAM is set to run at 1002 MHz through a 384-bit bus. It also features 512 SPUs, 64 TAUs, and 48 ROPs.

Compare that to the Radeon RX 6600, which has a core clock speed of 1626 MHz and a GDDR6 memory frequency of 1750 MHz. It also makes use of a 128-bit memory bus, and makes use of a 7 nm design. It is made up of 1792 SPUs, 112 TAUs, and 64 Raster Operation Units.

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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

Theoretically speaking, the Radeon RX 6600 should be a 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 is quite a bit (more or less 269%) faster with regards to anisotropic 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 running with high levels of AA is important to you, then the Radeon RX 6600 is superior to the GeForce GTX 580, 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 maximum amount of information (measured in megabytes per second) that can be transferred across the external memory interface within a second. It's worked out by multiplying the card's bus width by its memory clock speed. If it uses DDR memory, it must 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 anti-aliasing, HDR and high resolutions.

Texel Rate: Texel rate is the maximum amount of texture map elements (texels) that can be processed per second. This figure is calculated by multiplying the total texture units by the core 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 processed in a second.

Pixel Rate: Pixel rate is the maximum number of pixels that the graphics chip 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 colour ROPs by the clock speed of the card. ROPs (Raster Operations Pipelines - sometimes also referred to as Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel output rate is also dependant on quite a few other factors, most notably the memory bandwidth of the card - the lower the bandwidth is, the lower the potential to reach 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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