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Radeon RX 5700 XT 50th Anniversary Edition vs Radeon RX 6800

Intro

The Radeon RX 5700 XT 50th Anniversary Edition comes with a GPU core clock speed of 1680 MHz, and the 8096 MB of GDDR6 memory is set to run at 1750 MHz through a 256-bit bus. It also features 2560 SPUs, 160 Texture Address Units, and 64 ROPs.

Compare all that to the Radeon RX 6800, which has a GPU core clock speed of 1700 MHz, and 16384 MB of GDDR6 RAM running at 2000 MHz through a 256-bit bus. It also is made up of 3840 SPUs, 240 TAUs, and 96 ROPs.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon RX 5700 XT 50th Anniversary Edition 235 Watts
Radeon RX 6800 250 Watts
Difference: 15 Watts (6%)

Memory Bandwidth

In theory, the Radeon RX 6800 should be 14% quicker than the Radeon RX 5700 XT 50th Anniversary Edition in general, due to its greater bandwidth. (explain)

Radeon RX 6800 524288 MB/sec
Radeon RX 5700 XT 50th Anniversary Edition 458752 MB/sec
Difference: 65536 (14%)

Texel Rate

The Radeon RX 6800 is much (more or less 52%) faster with regards to texture filtering than the Radeon RX 5700 XT 50th Anniversary Edition. (explain)

Radeon RX 6800 408000 Mtexels/sec
Radeon RX 5700 XT 50th Anniversary Edition 268800 Mtexels/sec
Difference: 139200 (52%)

Pixel Rate

The Radeon RX 6800 should be a lot (approximately 52%) more effective at anti-aliasing than the Radeon RX 5700 XT 50th Anniversary Edition, and also should be able to handle higher resolutions while still performing well. (explain)

Radeon RX 6800 163200 Mpixels/sec
Radeon RX 5700 XT 50th Anniversary Edition 107520 Mpixels/sec
Difference: 55680 (52%)

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 5700 XT 50th Anniversary Edition

Amazon.com

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Radeon RX 6800

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 5700 XT 50th Anniversary Edition Radeon RX 6800
Manufacturer AMD AMD
Year July 2019 November 2020
Code Name Navi 10 Navi 21
Memory 8096 MB 16384 MB
Core Speed 1680 MHz 1700 MHz
Memory Speed 1750 GB/s 2000 GB/s
Power (Max TDP) 235 watts 250 watts
Bandwidth 458752 MB/sec 524288 MB/sec
Texel Rate 268800 Mtexels/sec 408000 Mtexels/sec
Pixel Rate 107520 Mpixels/sec 163200 Mpixels/sec
Unified Shaders 2560 3840
Texture Mapping Units 160 240
Render Output Units 64 96
Bus Type GDDR6 GDDR6
Bus Width 256-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 (counted in MB per second) that can be transferred over the external memory interface within a second. It's worked out by multiplying the card's interface width by the speed of its memory. If the card has DDR type memory, it should be multiplied by 2 again. If DDR5, multiply by ANOTHER 2x. The higher the bandwidth is, 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 texture map elements (texels) that can be processed in one second. This is worked out by multiplying the total number of texture units of the card by the core speed of the chip. The better the texel rate, the better the video card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels applied in one 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 worked out by multiplying the number of Render Output Units by the the core clock speed. ROPs (Raster Operations Pipelines - also called Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel fill rate also depends on quite a few other factors, especially the memory bandwidth of the card - the lower the memory bandwidth is, the lower the potential to reach the maximum fill rate.

Display Prices

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Radeon RX 5700 XT 50th Anniversary Edition

Amazon.com

Check prices at:

Radeon RX 6800

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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