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Radeon RX 570 vs Radeon RX 6600 XT

Intro

The Radeon RX 570 has a core clock frequency of 1168 MHz and a GDDR5 memory speed of 1750 MHz. It also features a 256-bit memory bus, and uses a 14 nm design. It is comprised of 2048 SPUs, 128 Texture Address Units, and 32 Raster Operation Units.

Compare those specifications to the Radeon RX 6600 XT, which features a core clock speed of 1968 MHz and a GDDR6 memory speed of 2000 MHz. It also makes use of a 128-bit memory bus, and uses a 7 nm design. It is comprised of 2048 SPUs, 128 TAUs, and 64 Raster Operation Units.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon RX 570 150 Watts
Radeon RX 6600 XT 160 Watts
Difference: 10 Watts (7%)

Memory Bandwidth

The Radeon RX 6600 XT, in theory, should perform a small bit faster than the Radeon RX 570 overall. (explain)

Radeon RX 6600 XT 262144 MB/sec
Radeon RX 570 229376 MB/sec
Difference: 32768 (14%)

Texel Rate

The Radeon RX 6600 XT is quite a bit (more or less 68%) faster with regards to AF than the Radeon RX 570. (explain)

Radeon RX 6600 XT 251904 Mtexels/sec
Radeon RX 570 149504 Mtexels/sec
Difference: 102400 (68%)

Pixel Rate

If running with a high screen resolution is important to you, then the Radeon RX 6600 XT is the winner, by far. (explain)

Radeon RX 6600 XT 125952 Mpixels/sec
Radeon RX 570 37376 Mpixels/sec
Difference: 88576 (237%)

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 XT

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 Radeon RX 570 Radeon RX 6600 XT
Manufacturer AMD AMD
Year April 2017 August 2021
Code Name Polaris 20 Navi 23 XT
Memory 4096 MB 8192 MB
Core Speed 1168 MHz 1968 MHz
Memory Speed 7000 MHz 4000 GB/s
Power (Max TDP) 150 watts 160 watts
Bandwidth 229376 MB/sec 262144 MB/sec
Texel Rate 149504 Mtexels/sec 251904 Mtexels/sec
Pixel Rate 37376 Mpixels/sec 125952 Mpixels/sec
Unified Shaders 2048 2048
Texture Mapping Units 128 128
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: Bandwidth is the max amount of data (measured in MB per second) that can be transferred over the external memory interface in one second. The number is worked out by multiplying the card's bus width by the speed of its memory. In the case of DDR RAM, the result should be multiplied by 2 once again. If DDR5, multiply by ANOTHER 2x. The higher the bandwidth is, the faster the card will be in general. It especially helps with AA, High Dynamic Range and high resolutions.

Texel Rate: Texel rate is the maximum amount of texture map elements (texels) that are processed per second. This is worked out by multiplying the total 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 per second.

Pixel Rate: Pixel rate is the maximum number of pixels that the graphics chip can possibly write to the local memory in a second - measured in millions of pixels per second. Pixel rate is calculated by multiplying the amount of Raster Operations Pipelines by the the core clock speed. ROPs (Raster Operations Pipelines - also called Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel output rate is also dependant on lots of other factors, most notably the memory bandwidth - the lower the memory bandwidth is, the lower the ability to reach the maximum fill rate.

Display Prices

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Radeon RX 570

Amazon.com

Check prices at:

Radeon RX 6600 XT

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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