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Radeon RX 6800 vs Radeon RX 6950 XT

Intro

The Radeon RX 6800 makes use of a 7 nm design. AMD has clocked the core frequency at 1700 MHz. The GDDR6 RAM runs at a frequency of 2000 MHz on this particular model. It features 3840 SPUs along with 240 Texture Address Units and 96 Rasterization Operator Units.

Compare those specs to the Radeon RX 6950 XT, which comes with core speeds of 1925 MHz on the GPU, and 2250 MHz on the 16384 MB of GDDR6 RAM. It features 5120 SPUs as well as 320 Texture Address Units and 128 ROPs.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon RX 6800 250 Watts
Radeon RX 6950 XT 335 Watts
Difference: 85 Watts (34%)

Memory Bandwidth

Theoretically, the Radeon RX 6950 XT should be just a bit faster than the Radeon RX 6800 overall. (explain)

Radeon RX 6950 XT 589824 MB/sec
Radeon RX 6800 524288 MB/sec
Difference: 65536 (13%)

Texel Rate

The Radeon RX 6950 XT is a lot (approximately 51%) faster with regards to AF than the Radeon RX 6800. (explain)

Radeon RX 6950 XT 616000 Mtexels/sec
Radeon RX 6800 408000 Mtexels/sec
Difference: 208000 (51%)

Pixel Rate

If running with high levels of AA is important to you, then the Radeon RX 6950 XT is a better choice, by far. (explain)

Radeon RX 6950 XT 246400 Mpixels/sec
Radeon RX 6800 163200 Mpixels/sec
Difference: 83200 (51%)

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 6800

Amazon.com

Check prices at:

Radeon RX 6950 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 6800 Radeon RX 6950 XT
Manufacturer AMD AMD
Year November 2020 May 2022
Code Name Navi 21 Navi 21
Memory 16384 MB 16384 MB
Core Speed 1700 MHz 1925 MHz
Memory Speed 2000 GB/s 2250 GB/s
Power (Max TDP) 250 watts 335 watts
Bandwidth 524288 MB/sec 589824 MB/sec
Texel Rate 408000 Mtexels/sec 616000 Mtexels/sec
Pixel Rate 163200 Mpixels/sec 246400 Mpixels/sec
Unified Shaders 3840 5120
Texture Mapping Units 240 320
Render Output Units 96 128
Bus Type GDDR6 GDDR6
Bus Width 256-bit 256-bit
Fab Process 7 nm 7 nm
Transistors 26800 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 data (in units of megabytes per second) that can be transferred over the external memory interface in a second. It's calculated by multiplying the card's bus width by the speed of its memory. In the case of DDR type RAM, it should be multiplied by 2 once again. If DDR5, multiply by ANOTHER 2x. The higher the bandwidth is, the faster the card will be in general. It especially helps with anti-aliasing, High Dynamic Range and higher screen resolutions.

Texel Rate: Texel rate is the maximum texture map elements (texels) that can be applied in one second. This figure is calculated by multiplying the total amount of texture units by the core speed of the chip. The better this number, the better the video card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels processed in a second.

Pixel Rate: Pixel rate is the maximum amount of pixels that the graphics card could possibly record to the local memory in one second - measured in millions of pixels per second. Pixel rate is calculated by multiplying the amount of Render Output Units by the clock speed of the card. ROPs (Raster Operations Pipelines - also called Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel output rate is also dependant on quite a few other factors, especially the memory bandwidth of the card - the lower the memory bandwidth is, the lower the ability to reach the max fill rate.

Display Prices

Hide Prices

Radeon RX 6800

Amazon.com

Check prices at:

Radeon RX 6950 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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