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Radeon RX 5700 XT vs Radeon RX 6800

Intro

The Radeon RX 5700 XT has core clock speeds of 1605 MHz on the GPU, and 1750 MHz on the 8096 MB of GDDR6 RAM. It features 2560 SPUs along with 160 Texture Address Units and 64 ROPs.

Compare those specs to the Radeon RX 6800, which features GPU core speed of 1700 MHz, and 16384 MB of GDDR6 RAM set to run at 2000 MHz through a 256-bit bus. It also is comprised of 3840 Stream Processors, 240 TAUs, and 96 ROPs.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon RX 5700 XT 225 Watts
Radeon RX 6800 250 Watts
Difference: 25 Watts (11%)

Memory Bandwidth

The Radeon RX 6800 should in theory be a small bit faster than the Radeon RX 5700 XT in general. (explain)

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

Texel Rate

The Radeon RX 6800 is much (about 59%) more effective at texture filtering than the Radeon RX 5700 XT. (explain)

Radeon RX 6800 408000 Mtexels/sec
Radeon RX 5700 XT 256800 Mtexels/sec
Difference: 151200 (59%)

Pixel Rate

The Radeon RX 6800 will be quite a bit (approximately 59%) more effective at FSAA than the Radeon RX 5700 XT, and capable of handling higher screen resolutions while still performing well. (explain)

Radeon RX 6800 163200 Mpixels/sec
Radeon RX 5700 XT 102720 Mpixels/sec
Difference: 60480 (59%)

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

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.

Specifications

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Model Radeon RX 5700 XT Radeon RX 6800
Manufacturer AMD AMD
Year July 2019 November 2020
Code Name Navi 10 Navi 21
Memory 8096 MB 16384 MB
Core Speed 1605 MHz 1700 MHz
Memory Speed 1750 GB/s 2000 GB/s
Power (Max TDP) 225 watts 250 watts
Bandwidth 458752 MB/sec 524288 MB/sec
Texel Rate 256800 Mtexels/sec 408000 Mtexels/sec
Pixel Rate 102720 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 information (measured in megabytes per second) that can be moved past the external memory interface in one second. The number is calculated by multiplying the card's interface width by its memory clock speed. If the card has DDR memory, it should be multiplied by 2 again. If it uses DDR5, multiply by ANOTHER 2x. The higher the memory bandwidth, the faster 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 amount of texture map elements (texels) that can be applied per 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 higher this number, the better the graphics 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 most pixels the graphics card could possibly record to the local memory in one second - measured in millions of pixels per second. The figure is worked out by multiplying the number of colour ROPs by the the core speed of the card. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel output rate is also dependant on quite a few other factors, most notably the memory bandwidth - the lower the bandwidth is, the lower the potential to reach the max fill rate.

Display Prices

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Radeon RX 5700 XT

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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