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Radeon RX 6750 XT vs Radeon RX 6900 XT

Intro

The Radeon RX 6750 XT makes use of a 7 nm design. AMD has clocked the core frequency at 2150 MHz. The GDDR6 RAM runs at a speed of 2250 MHz on this card. It features 2560 SPUs as well as 160 TAUs and 64 Rasterization Operator Units.

Compare those specs to the Radeon RX 6900 XT, which makes use of a 7 nm design. AMD has set the core frequency at 1825 MHz. The GDDR6 RAM runs at a speed of 2000 MHz on this card. It features 5120 SPUs along with 320 Texture Address Units and 128 Rasterization Operator Units.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon RX 6750 XT 250 Watts
Radeon RX 6900 XT 300 Watts
Difference: 50 Watts (20%)

Memory Bandwidth

Performance-wise, the Radeon RX 6900 XT should in theory be a small bit superior to the Radeon RX 6750 XT in general. (explain)

Radeon RX 6900 XT 524288 MB/sec
Radeon RX 6750 XT 442368 MB/sec
Difference: 81920 (19%)

Texel Rate

The Radeon RX 6900 XT should be quite a bit (more or less 70%) faster with regards to anisotropic filtering than the Radeon RX 6750 XT. (explain)

Radeon RX 6900 XT 584000 Mtexels/sec
Radeon RX 6750 XT 344000 Mtexels/sec
Difference: 240000 (70%)

Pixel Rate

If using high levels of AA is important to you, then the Radeon RX 6900 XT is superior to the Radeon RX 6750 XT, by a large margin. (explain)

Radeon RX 6900 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

Check prices at:

Radeon RX 6900 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 6750 XT Radeon RX 6900 XT
Manufacturer AMD AMD
Year March 2022 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 584000 Mtexels/sec
Pixel Rate 137600 Mpixels/sec 233600 Mpixels/sec
Unified Shaders 2560 5120
Texture Mapping Units 160 320
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: Memory bandwidth is the max amount of information (in units of megabytes per second) that can be transported across the external memory interface in one second. It is worked out by multiplying the card's interface width by its memory clock speed. If the card has DDR type RAM, it should be multiplied by 2 again. If it uses DDR5, multiply by ANOTHER 2x. The higher the card's memory bandwidth, the faster the card will be in general. It especially helps with anti-aliasing, HDR and high resolutions.

Texel Rate: Texel rate is the maximum amount of texture map elements (texels) that are processed in one second. This number is calculated by multiplying the total amount of texture units of the card by the core 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 processed in one second.

Pixel Rate: Pixel rate is the maximum number of pixels that the graphics chip could possibly record to the local memory in a second - measured in millions of pixels per second. The number is worked out by multiplying the amount of Render Output Units by the the core clock speed. ROPs (Raster Operations Pipelines - sometimes also referred to as Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel fill rate is also dependant on many other factors, most notably the memory bandwidth of the card - the lower the bandwidth is, the lower the ability to get to the maximum fill rate.

Display Prices

Hide Prices

Radeon RX 6750 XT

Amazon.com

Check prices at:

Radeon RX 6900 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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