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Radeon RX 5600 vs Radeon RX 6600 XT

Intro

The Radeon RX 5600 uses a 7 nm design. AMD has set the core speed at 1375 MHz. The GDDR6 memory works at a speed of 1500 MHz on this specific model. It features 2048 SPUs as well as 128 Texture Address Units and 64 ROPs.

Compare all of that to the Radeon RX 6600 XT, which makes use of a 7 nm design. AMD has clocked the core frequency at 1968 MHz. The GDDR6 memory is set to run at a frequency of 2000 MHz on this model. It features 2048 SPUs as well as 128 TAUs and 64 ROPs.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon RX 5600 150 Watts
Radeon RX 6600 XT 160 Watts
Difference: 10 Watts (7%)

Memory Bandwidth

The Radeon RX 5600 should theoretically be a small bit faster than the Radeon RX 6600 XT overall. (explain)

Radeon RX 5600 294912 MB/sec
Radeon RX 6600 XT 262144 MB/sec
Difference: 32768 (13%)

Texel Rate

The Radeon RX 6600 XT should be quite a bit (about 43%) better at AF than the Radeon RX 5600. (explain)

Radeon RX 6600 XT 251904 Mtexels/sec
Radeon RX 5600 176000 Mtexels/sec
Difference: 75904 (43%)

Pixel Rate

The Radeon RX 6600 XT will be much (approximately 43%) faster with regards to FSAA than the Radeon RX 5600, and also should be capable of handling higher resolutions more effectively. (explain)

Radeon RX 6600 XT 125952 Mpixels/sec
Radeon RX 5600 88000 Mpixels/sec
Difference: 37952 (43%)

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 5600

Amazon.com

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Radeon RX 6600 XT

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 5600 Radeon RX 6600 XT
Manufacturer AMD AMD
Year January 2020 August 2021
Code Name Navi 10 XE Navi 23 XT
Memory 6144 MB 8192 MB
Core Speed 1375 MHz 1968 MHz
Memory Speed 1500 GB/s 2000 GB/s
Power (Max TDP) 150 watts 160 watts
Bandwidth 294912 MB/sec 262144 MB/sec
Texel Rate 176000 Mtexels/sec 251904 Mtexels/sec
Pixel Rate 88000 Mpixels/sec 125952 Mpixels/sec
Unified Shaders 2048 2048
Texture Mapping Units 128 128
Render Output Units 64 64
Bus Type GDDR6 GDDR6
Bus Width 192-bit 128-bit
Fab Process 7 nm 7 nm
Transistors 10300 million 11060 million
Bus PCIe 4.0 ×16 PCIe 4.0 x16
DirectX Version DirectX 12 DirectX 12
OpenGL Version OpenGL 4.6 OpenGL 4.6

Memory Bandwidth: Bandwidth is the largest amount of information (in units of megabytes per second) that can be transferred over the external memory interface in one second. The number is worked out by multiplying the interface width by its memory clock speed. If it uses DDR type RAM, it should be multiplied by 2 once again. If DDR5, multiply by 4 instead. The higher the bandwidth is, 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 are processed in one second. This number is calculated by multiplying the total texture units by the core speed of the chip. The higher this number, 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 maximum amount of pixels the graphics card could possibly record to the local memory in a second - measured in millions of pixels per second. Pixel rate is calculated by multiplying the amount of colour ROPs by the the core clock speed. ROPs (Raster Operations Pipelines - also called Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel rate is also dependant on quite a few other factors, most notably the memory bandwidth - the lower the memory bandwidth is, the lower the potential to reach the max fill rate.

Display Prices

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Radeon RX 5600

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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