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Geforce GTX 1080 Ti vs Radeon RX 6950 XT

Intro

The Geforce GTX 1080 Ti makes use of a 16 nm design. nVidia has clocked the core speed at 1480 MHz. The GDDR5X memory runs at a frequency of 1376 MHz on this particular card. It features 3584 SPUs along with 224 TAUs and 88 Rasterization Operator Units.

Compare all of that to the Radeon RX 6950 XT, which has core clock 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 Rasterization Operator Units.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Geforce GTX 1080 Ti 250 Watts
Radeon RX 6950 XT 335 Watts
Difference: 85 Watts (34%)

Memory Bandwidth

Performance-wise, the Radeon RX 6950 XT should in theory be a bit superior to the Geforce GTX 1080 Ti in general. (explain)

Radeon RX 6950 XT 589824 MB/sec
Geforce GTX 1080 Ti 495616 MB/sec
Difference: 94208 (19%)

Texel Rate

The Radeon RX 6950 XT should be quite a bit (approximately 86%) better at AF than the Geforce GTX 1080 Ti. (explain)

Radeon RX 6950 XT 616000 Mtexels/sec
Geforce GTX 1080 Ti 331520 Mtexels/sec
Difference: 284480 (86%)

Pixel Rate

The Radeon RX 6950 XT will be much (more or less 89%) faster with regards to full screen anti-aliasing than the Geforce GTX 1080 Ti, and able to handle higher screen resolutions more effectively. (explain)

Radeon RX 6950 XT 246400 Mpixels/sec
Geforce GTX 1080 Ti 130240 Mpixels/sec
Difference: 116160 (89%)

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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Geforce GTX 1080 Ti

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.

Specifications

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Model Geforce GTX 1080 Ti Radeon RX 6950 XT
Manufacturer nVidia AMD
Year March 2017 May 2022
Code Name GP102 Navi 21
Memory 11264 MB 16384 MB
Core Speed 1480 MHz 1925 MHz
Memory Speed 11008 MHz 4500 GB/s
Power (Max TDP) 250 watts 335 watts
Bandwidth 495616 MB/sec 589824 MB/sec
Texel Rate 331520 Mtexels/sec 616000 Mtexels/sec
Pixel Rate 130240 Mpixels/sec 246400 Mpixels/sec
Unified Shaders 3584 5120
Texture Mapping Units 224 320
Render Output Units 88 128
Bus Type GDDR5X GDDR6
Bus Width 352-bit 256-bit
Fab Process 16 nm 7 nm
Transistors 12000 million 26800 million
Bus PCIe 3.0 x16 PCIe 4.0 x16
DirectX Version DirectX 12.0 DirectX 12
OpenGL Version OpenGL 4.5 OpenGL 4.6

Memory Bandwidth: Bandwidth is the largest amount of information (measured in MB per second) that can be transported past the external memory interface within a second. It is worked out by multiplying the card's interface width by the speed of its memory. In the case of DDR RAM, it should be multiplied by 2 again. If DDR5, multiply by ANOTHER 2x. The better the memory bandwidth, the better 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 per second. This number is worked out by multiplying the total texture units of the card 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 applied in a second.

Pixel Rate: Pixel rate is the most pixels the graphics card could possibly record to its local memory in a second - measured in millions of pixels per second. The figure is worked out by multiplying the amount of ROPs by the the card's clock speed. ROPs (Raster Operations Pipelines - also called Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel rate is also dependant on lots of other factors, most notably the memory bandwidth of the card - the lower the memory bandwidth is, the lower the potential to get to the maximum fill rate.

Display Prices

Hide Prices

Geforce GTX 1080 Ti

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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