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Radeon RX 5600 XT vs Radeon RX 6800 XT

Intro

The Radeon RX 5600 XT features a clock frequency of 1375 MHz and a GDDR6 memory frequency of 1500 MHz. It also makes use of a 192-bit memory bus, and uses a 7 nm design. It features 2304 SPUs, 144 TAUs, and 64 Raster Operation Units.

Compare those specs to the Radeon RX 6800 XT, which comes with a core clock frequency of 1825 MHz and a GDDR6 memory speed of 2000 MHz. It also makes use of a 256-bit bus, and uses a 7 nm design. It features 4608 SPUs, 288 TAUs, and 128 ROPs.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon RX 5600 XT 160 Watts
Radeon RX 6800 XT 300 Watts
Difference: 140 Watts (88%)

Memory Bandwidth

Theoretically speaking, the Radeon RX 6800 XT should be 52% quicker than the Radeon RX 5600 XT overall, because of its higher bandwidth. (explain)

Radeon RX 6800 XT 524288 MB/sec
Radeon RX 5600 XT 344064 MB/sec
Difference: 180224 (52%)

Texel Rate

The Radeon RX 6800 XT should be much (about 165%) faster with regards to texture filtering than the Radeon RX 5600 XT. (explain)

Radeon RX 6800 XT 525600 Mtexels/sec
Radeon RX 5600 XT 198000 Mtexels/sec
Difference: 327600 (165%)

Pixel Rate

The Radeon RX 6800 XT should be much (approximately 165%) faster with regards to full screen anti-aliasing than the Radeon RX 5600 XT, and able to handle higher screen resolutions while still performing well. (explain)

Radeon RX 6800 XT 233600 Mpixels/sec
Radeon RX 5600 XT 88000 Mpixels/sec
Difference: 145600 (165%)

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 XT

Amazon.com

Check prices at:

Radeon RX 6800 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 XT Radeon RX 6800 XT
Manufacturer AMD AMD
Year January 2020 November 2020
Code Name Navi 10 XLE Navi 21
Memory 6144 MB 16384 MB
Core Speed 1375 MHz 1825 MHz
Memory Speed 1500 GB/s 2000 GB/s
Power (Max TDP) 160 watts 300 watts
Bandwidth 344064 MB/sec 524288 MB/sec
Texel Rate 198000 Mtexels/sec 525600 Mtexels/sec
Pixel Rate 88000 Mpixels/sec 233600 Mpixels/sec
Unified Shaders 2304 4608
Texture Mapping Units 144 288
Render Output Units 64 128
Bus Type GDDR6 GDDR6
Bus Width 192-bit 256-bit
Fab Process 7 nm 7 nm
Transistors 10300 million 26800 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 largest amount of data (in units of MB per second) that can be transferred across the external memory interface in a second. It's worked out by multiplying the card's bus width by its memory clock speed. If the card has DDR type RAM, it must be multiplied by 2 once again. If it uses DDR5, multiply by ANOTHER 2x. The better the bandwidth is, the better the card will be in general. It especially helps with AA, High Dynamic Range and higher screen resolutions.

Texel Rate: Texel rate is the maximum texture map elements (texels) that can be processed in one second. This number is worked out by multiplying the total number of texture units of the card by the core clock speed of the chip. The better this number, the better the video card will be at handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels applied in one second.

Pixel Rate: Pixel rate is the maximum number of pixels the graphics card could possibly write to the local memory per second - measured in millions of pixels per second. The figure is calculated by multiplying the number of Render Output Units by the clock speed of the card. ROPs (Raster Operations Pipelines - also sometimes called Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel rate also depends on lots of other factors, most notably the memory bandwidth of the card - the lower the bandwidth is, the lower the ability to get to the max fill rate.

Display Prices

Hide Prices

Radeon RX 5600 XT

Amazon.com

Check prices at:

Radeon RX 6800 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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