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Radeon RX 570 vs Radeon RX 6600

Intro

The Radeon RX 570 makes use of a 14 nm design. AMD has clocked the core frequency at 1168 MHz. The GDDR5 RAM runs at a frequency of 1750 MHz on this specific model. It features 2048 SPUs as well as 128 Texture Address Units and 32 Rasterization Operator Units.

Compare all of that to the Radeon RX 6600, which features GPU core speed of 1626 MHz, and 8192 MB of GDDR6 memory set to run at 1750 MHz through a 128-bit bus. It also is made up of 1792 Stream Processors, 112 Texture Address Units, and 64 Raster Operation Units.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon RX 6600 132 Watts
Radeon RX 570 150 Watts
Difference: 18 Watts (14%)

Memory Bandwidth

Both cards have exactly the same memory bandwidth, so theoretically they should have identical performance. (explain)

Texel Rate

The Radeon RX 6600 should be quite a bit (about 22%) better at texture filtering than the Radeon RX 570. (explain)

Radeon RX 6600 182112 Mtexels/sec
Radeon RX 570 149504 Mtexels/sec
Difference: 32608 (22%)

Pixel Rate

If running with lots of anti-aliasing is important to you, then the Radeon RX 6600 is the winner, and very much so. (explain)

Radeon RX 6600 104064 Mpixels/sec
Radeon RX 570 37376 Mpixels/sec
Difference: 66688 (178%)

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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Radeon RX 570

Amazon.com

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Radeon RX 6600

Amazon.com

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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 Radeon RX 570 Radeon RX 6600
Manufacturer AMD AMD
Year April 2017 October 2021
Code Name Polaris 20 Navi 23
Memory 4096 MB 8192 MB
Core Speed 1168 MHz 1626 MHz
Memory Speed 7000 MHz 3500 GB/s
Power (Max TDP) 150 watts 132 watts
Bandwidth 229376 MB/sec 229376 MB/sec
Texel Rate 149504 Mtexels/sec 182112 Mtexels/sec
Pixel Rate 37376 Mpixels/sec 104064 Mpixels/sec
Unified Shaders 2048 1792
Texture Mapping Units 128 112
Render Output Units 32 64
Bus Type GDDR5 GDDR6
Bus Width 256-bit 128-bit
Fab Process 14 nm 7 nm
Transistors 5700 million 11060 million
Bus PCIe 3.0 x16 PCIe 4.0 x16
DirectX Version DirectX 12.0 DirectX 12
OpenGL Version OpenGL 4.5 OpenGL 4.6

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

Pixel Rate: Pixel rate is the maximum number of pixels that the graphics card can possibly record to the local memory in one second - measured in millions of pixels per second. Pixel rate is calculated by multiplying the amount of colour ROPs by the clock speed of the card. ROPs (Raster Operations Pipelines - also sometimes called 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, especially the memory bandwidth of the card - the lower the memory bandwidth is, the lower the potential to reach the maximum fill rate.

Display Prices

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Radeon RX 570

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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