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Radeon RX 6750 XT vs Radeon RX 6900 XT

Intro

The Radeon RX 6750 XT has a clock speed of 2150 MHz and a GDDR6 memory frequency of 2250 MHz. It also makes use of a 192-bit bus, and makes use of a 7 nm design. It features 2560 SPUs, 160 Texture Address Units, and 64 ROPs.

Compare that to the Radeon RX 6900 XT, which uses a 7 nm design. AMD has clocked the core speed at 1825 MHz. The GDDR6 RAM works at a frequency of 2000 MHz on this particular model. It features 5120 SPUs as well as 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

Theoretically speaking, the Radeon RX 6900 XT is 19% quicker than the Radeon RX 6750 XT in general, due to its greater bandwidth. (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 is quite a bit (more or less 70%) better at 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

The Radeon RX 6900 XT is a lot (more or less 70%) more effective at full screen anti-aliasing than the Radeon RX 6750 XT, and capable of handling higher resolutions while still performing well. (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

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Radeon RX 6900 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 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 largest amount of information (counted in MB per second) that can be transferred over the external memory interface within a second. It is calculated by multiplying the card's interface width by the speed of its memory. In the case of DDR type RAM, the result should be multiplied by 2 again. If DDR5, multiply by 4 instead. 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 amount of texture map elements (texels) that are applied per second. This figure is worked out by multiplying the total amount of texture units of the card by the core clock speed of the chip. The higher the texel rate, the better the video card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels per second.

Pixel Rate: Pixel rate is the maximum amount of pixels that the graphics card can possibly write to the local memory in a second - measured in millions of pixels per second. Pixel rate is worked out by multiplying the number of ROPs by the the card's clock speed. ROPs (Raster Operations Pipelines - sometimes also referred to as Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel fill rate is also dependant on quite a few other factors, especially the memory bandwidth - the lower the bandwidth is, the lower the ability to reach 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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