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Radeon RX 5500 XT vs Radeon RX 6600 XT

Intro

The Radeon RX 5500 XT features a clock frequency of 1717 MHz and a GDDR6 memory speed of 1750 MHz. It also features a 128-bit memory bus, and uses a 7 nm design. It is made up of 1408 SPUs, 88 TAUs, and 32 Raster Operation Units.

Compare those specs to the Radeon RX 6600 XT, which comes with a GPU core clock speed of 1968 MHz, and 8192 MB of GDDR6 memory running at 2000 MHz through a 128-bit bus. It also is comprised of 2048 SPUs, 128 TAUs, and 64 ROPs.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon RX 5500 XT 130 Watts
Radeon RX 6600 XT 160 Watts
Difference: 30 Watts (23%)

Memory Bandwidth

Theoretically speaking, the Radeon RX 6600 XT should be 14% faster than the Radeon RX 5500 XT in general, because of its greater bandwidth. (explain)

Radeon RX 6600 XT 262144 MB/sec
Radeon RX 5500 XT 229376 MB/sec
Difference: 32768 (14%)

Texel Rate

The Radeon RX 6600 XT will be quite a bit (more or less 67%) better at AF than the Radeon RX 5500 XT. (explain)

Radeon RX 6600 XT 251904 Mtexels/sec
Radeon RX 5500 XT 151096 Mtexels/sec
Difference: 100808 (67%)

Pixel Rate

The Radeon RX 6600 XT should be a lot (more or less 129%) faster with regards to FSAA than the Radeon RX 5500 XT, and also able to handle higher screen resolutions while still performing well. (explain)

Radeon RX 6600 XT 125952 Mpixels/sec
Radeon RX 5500 XT 54944 Mpixels/sec
Difference: 71008 (129%)

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 5500 XT

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 5500 XT Radeon RX 6600 XT
Manufacturer AMD AMD
Year December 2019 August 2021
Code Name Navi 14 XTX Navi 23 XT
Memory 8192 MB 8192 MB
Core Speed 1717 MHz 1968 MHz
Memory Speed 1750 GB/s 2000 GB/s
Power (Max TDP) 130 watts 160 watts
Bandwidth 229376 MB/sec 262144 MB/sec
Texel Rate 151096 Mtexels/sec 251904 Mtexels/sec
Pixel Rate 54944 Mpixels/sec 125952 Mpixels/sec
Unified Shaders 1408 2048
Texture Mapping Units 88 128
Render Output Units 32 64
Bus Type GDDR6 GDDR6
Bus Width 128-bit 128-bit
Fab Process 7 nm 7 nm
Transistors 6400 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: Memory bandwidth is the maximum amount of information (in units of megabytes per second) that can be transferred past the external memory interface in a second. The number is worked out by multiplying the bus width by its memory clock speed. If the card has DDR memory, the result should be multiplied by 2 again. If it uses DDR5, multiply by ANOTHER 2x. The higher the card's memory bandwidth, 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 amount of texture map elements (texels) that can be processed per second. This figure is worked out by multiplying the total amount 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 texture filtering (anisotropic filtering - AF). It is measured in millions of texels in one second.

Pixel Rate: Pixel rate is the most pixels the graphics card can possibly record to the local memory per second - measured in millions of pixels per second. The number is calculated by multiplying the number of colour ROPs by the the card's clock speed. ROPs (Raster Operations Pipelines - also sometimes called Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel fill rate also depends on lots of other factors, most notably the memory bandwidth - the lower the bandwidth is, the lower the potential to reach the max fill rate.

Display Prices

Hide Prices

Radeon RX 5500 XT

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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