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Radeon RX 6750 XT vs Radeon RX 6800 XT

Intro

The Radeon RX 6750 XT uses a 7 nm design. AMD has clocked the core speed at 2150 MHz. The GDDR6 memory works at a frequency of 2250 MHz on this particular model. It features 2560 SPUs as well as 160 Texture Address Units and 64 Rasterization Operator Units.

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

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon RX 6750 XT 250 Watts
Radeon RX 6800 XT 300 Watts
Difference: 50 Watts (20%)

Memory Bandwidth

Performance-wise, the Radeon RX 6800 XT should theoretically be just a bit better than the Radeon RX 6750 XT in general. (explain)

Radeon RX 6800 XT 524288 MB/sec
Radeon RX 6750 XT 442368 MB/sec
Difference: 81920 (19%)

Texel Rate

The Radeon RX 6800 XT will be a lot (more or less 53%) better at anisotropic filtering than the Radeon RX 6750 XT. (explain)

Radeon RX 6800 XT 525600 Mtexels/sec
Radeon RX 6750 XT 344000 Mtexels/sec
Difference: 181600 (53%)

Pixel Rate

If running with a high screen resolution is important to you, then the Radeon RX 6800 XT is the winner, and very much so. (explain)

Radeon RX 6800 XT 233600 Mpixels/sec
Radeon RX 6750 XT 137600 Mpixels/sec
Difference: 96000 (70%)

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 6750 XT

Amazon.com

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Radeon RX 6800 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 6750 XT Radeon RX 6800 XT
Manufacturer AMD AMD
Year March 2022 November 2020
Code Name Navi 22 Navi 21
Memory 12288 MB 16384 MB
Core Speed 2150 MHz 1825 MHz
Memory Speed 2250 GB/s 2000 GB/s
Power (Max TDP) 250 watts 300 watts
Bandwidth 442368 MB/sec 524288 MB/sec
Texel Rate 344000 Mtexels/sec 525600 Mtexels/sec
Pixel Rate 137600 Mpixels/sec 233600 Mpixels/sec
Unified Shaders 2560 4608
Texture Mapping Units 160 288
Render Output Units 64 128
Bus Type GDDR6 GDDR6
Bus Width 192-bit 256-bit
Fab Process 7 nm 7 nm
Transistors 17200 million 26800 million
Bus PCIe 4.0 x16 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 (measured in MB per second) that can be transferred across the external memory interface within a second. The number is worked out by multiplying the card's bus width by the speed of its memory. If the card has DDR type memory, the result should be multiplied by 2 again. If it uses DDR5, multiply by 4 instead. The better the card's memory bandwidth, the better the card will be in general. It especially helps with AA, High Dynamic Range and high resolutions.

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

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

Display Prices

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Radeon RX 6750 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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