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GeForce RTX 3080 Ti vs Radeon RX 7900 XT

Intro

The GeForce RTX 3080 Ti makes use of a 8 nm design. nVidia has set the core frequency at 1365 MHz. The GDDR6X RAM runs at a frequency of 1188 MHz on this particular card. It features 10240 SPUs as well as 320 Texture Address Units and 112 Rasterization Operator Units.

Compare those specs to the Radeon RX 7900 XT, which has core clock speeds of 1500 MHz on the GPU, and 2500 MHz on the 20480 MB of GDDR6 RAM. It features 5376 SPUs along with 336 TAUs and 192 Rasterization Operator Units.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon RX 7900 XT 300 Watts
GeForce RTX 3080 Ti 350 Watts
Difference: 50 Watts (17%)

Memory Bandwidth

In theory, the GeForce RTX 3080 Ti should perform a bit faster than the Radeon RX 7900 XT overall. (explain)

GeForce RTX 3080 Ti 934297 MB/sec
Radeon RX 7900 XT 819200 MB/sec
Difference: 115097 (14%)

Texel Rate

The Radeon RX 7900 XT is just a bit (approximately 15%) better at texture filtering than the GeForce RTX 3080 Ti. (explain)

Radeon RX 7900 XT 504000 Mtexels/sec
GeForce RTX 3080 Ti 436800 Mtexels/sec
Difference: 67200 (15%)

Pixel Rate

The Radeon RX 7900 XT is a lot (about 88%) better at FSAA than the GeForce RTX 3080 Ti, and also capable of handling higher screen resolutions without losing too much performance. (explain)

Radeon RX 7900 XT 288000 Mpixels/sec
GeForce RTX 3080 Ti 152880 Mpixels/sec
Difference: 135120 (88%)

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 RTX 3080 Ti

Amazon.com

Check prices at:

Radeon RX 7900 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 RTX 3080 Ti Radeon RX 7900 XT
Manufacturer nVidia AMD
Year June 2021 December 2022
Code Name Ampere GA102-225-A1 Navi 31 XT
Memory 12288 MB 20480 MB
Core Speed 1365 MHz 1500 MHz
Memory Speed 1188 GB/s 2500 GB/s
Power (Max TDP) 350 watts 300 watts
Bandwidth 934297 MB/sec 819200 MB/sec
Texel Rate 436800 Mtexels/sec 504000 Mtexels/sec
Pixel Rate 152880 Mpixels/sec 288000 Mpixels/sec
Unified Shaders 10240 5376
Texture Mapping Units 320 336
Render Output Units 112 192
Bus Type GDDR6X GDDR6
Bus Width 384-bit 320-bit
Fab Process 8 nm 5 nm
Transistors 28300 million 57700 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 maximum amount of data (measured in MB per second) that can be moved over the external memory interface in a second. It's calculated by multiplying the bus width by its memory speed. If it uses DDR type memory, it must be multiplied by 2 again. If it uses DDR5, multiply by ANOTHER 2x. The higher 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 texture map elements (texels) that can be applied per second. This figure is worked out by multiplying the total number of texture units of the card by the core clock speed of the chip. The higher this number, the better the graphics card will be at handling 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 its local memory in a second - measured in millions of pixels per second. The figure is worked out by multiplying the number of ROPs by the clock speed of the card. ROPs (Raster Operations Pipelines - also sometimes called Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel output 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 RTX 3080 Ti

Amazon.com

Check prices at:

Radeon RX 7900 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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