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Radeon RX 5600 vs Radeon RX 6600 XT

Intro

The Radeon RX 5600 has a GPU clock speed of 1375 MHz, and the 6144 MB of GDDR6 RAM is set to run at 1500 MHz through a 192-bit bus. It also is made up of 2048 Stream Processors, 128 Texture Address Units, and 64 Raster Operation Units.

Compare those specifications to the Radeon RX 6600 XT, which comes with core speeds of 1968 MHz on the GPU, and 2000 MHz on the 8192 MB of GDDR6 memory. It features 2048 SPUs as well as 128 TAUs and 64 ROPs.

Display Graphs

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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

Performance-wise, the Radeon RX 5600 should theoretically be a small bit better 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 (approximately 43%) better at texture filtering 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 (more or less 43%) more effective at full screen anti-aliasing than the Radeon RX 5600, and will be able to handle higher resolutions better. (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

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 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 maximum amount of data (in units of megabytes per second) that can be transported over the external memory interface within a second. The number is calculated by multiplying the card's bus width by its memory speed. If the card has DDR RAM, the result should be multiplied by 2 once again. If it uses DDR5, multiply by 4 instead. The higher the bandwidth is, the faster the card will be in general. It especially helps with anti-aliasing, High Dynamic Range and high resolutions.

Texel Rate: Texel rate is the maximum amount of texture map elements (texels) that are applied in one second. This is calculated by multiplying the total number of texture units by the core clock 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 applied per second.

Pixel Rate: Pixel rate is the maximum amount of pixels the video card can possibly record to its local memory in one second - measured in millions of pixels per second. Pixel rate is worked out by multiplying the amount of Render Output Units by the clock speed of the card. ROPs (Raster Operations Pipelines - sometimes also referred to as Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel output rate also depends on lots of other factors, especially the memory bandwidth - the lower the memory bandwidth is, the lower the potential to reach the maximum 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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