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Radeon RX 5500 XT vs Radeon RX 7900 XTX

Intro

The Radeon RX 5500 XT comes with core speeds of 1717 MHz on the GPU, and 1750 MHz on the 8192 MB of GDDR6 RAM. It features 1408 SPUs as well as 88 Texture Address Units and 32 ROPs.

Compare all of that to the Radeon RX 7900 XTX, which comes with a clock frequency of 1855 MHz and a GDDR6 memory speed of 2500 MHz. It also uses a 384-bit memory bus, and uses a 5 nm design. It is made up of 6144 SPUs, 384 Texture Address Units, and 192 Raster Operation Units.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon RX 5500 XT 130 Watts
Radeon RX 7900 XTX 355 Watts
Difference: 225 Watts (173%)

Memory Bandwidth

As far as performance goes, the Radeon RX 7900 XTX should in theory be quite a bit better than the Radeon RX 5500 XT in general. (explain)

Radeon RX 7900 XTX 983040 MB/sec
Radeon RX 5500 XT 229376 MB/sec
Difference: 753664 (329%)

Texel Rate

The Radeon RX 7900 XTX should be quite a bit (more or less 371%) faster with regards to anisotropic filtering than the Radeon RX 5500 XT. (explain)

Radeon RX 7900 XTX 712320 Mtexels/sec
Radeon RX 5500 XT 151096 Mtexels/sec
Difference: 561224 (371%)

Pixel Rate

If running with lots of anti-aliasing is important to you, then the Radeon RX 7900 XTX is the winner, by a large margin. (explain)

Radeon RX 7900 XTX 356160 Mpixels/sec
Radeon RX 5500 XT 54944 Mpixels/sec
Difference: 301216 (548%)

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 7900 XTX

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 7900 XTX
Manufacturer AMD AMD
Year December 2019 December 2022
Code Name Navi 14 XTX Navi 31 XTX
Memory 8192 MB 24576 MB
Core Speed 1717 MHz 1855 MHz
Memory Speed 1750 GB/s 2500 GB/s
Power (Max TDP) 130 watts 355 watts
Bandwidth 229376 MB/sec 983040 MB/sec
Texel Rate 151096 Mtexels/sec 712320 Mtexels/sec
Pixel Rate 54944 Mpixels/sec 356160 Mpixels/sec
Unified Shaders 1408 6144
Texture Mapping Units 88 384
Render Output Units 32 192
Bus Type GDDR6 GDDR6
Bus Width 128-bit 384-bit
Fab Process 7 nm 5 nm
Transistors 6400 million 57700 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 max amount of data (in units of megabytes per second) that can be transferred past the external memory interface in a second. It is worked out by multiplying the bus width by its memory speed. If it uses DDR type RAM, the result should be multiplied by 2 once again. If DDR5, multiply by 4 instead. The better the card's memory bandwidth, the faster the card will be in general. It especially helps with anti-aliasing, HDR and higher screen resolutions.

Texel Rate: Texel rate is the maximum texture map elements (texels) that are processed in one second. This figure 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 graphics card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels in a second.

Pixel Rate: Pixel rate is the most pixels the graphics card could possibly write to its local memory in a second - measured in millions of pixels per second. The figure is worked out by multiplying the number of Raster Operations Pipelines by the the core clock speed. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel output rate also depends on many other factors, most notably the memory bandwidth - the lower the memory bandwidth is, the lower the potential to get to the max fill rate.

Display Prices

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Radeon RX 5500 XT

Amazon.com

Check prices at:

Radeon RX 7900 XTX

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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