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GeForce RTX 2080 Ti vs Radeon RX 6600 XT

Intro

The GeForce RTX 2080 Ti uses a 12 nm design. nVidia has clocked the core frequency at 1350 MHz. The GDDR6 memory runs at a speed of 1750 MHz on this model. It features 4352 SPUs as well as 272 Texture Address Units and 88 Rasterization Operator Units.

Compare those specifications to the Radeon RX 6600 XT, which makes use of a 7 nm design. AMD has set the core speed at 1968 MHz. The GDDR6 memory works at a speed of 2000 MHz on this specific card. It features 2048 SPUs as well as 128 Texture Address Units and 64 Rasterization Operator Units.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon RX 6600 XT 160 Watts
GeForce RTX 2080 Ti 250 Watts
Difference: 90 Watts (56%)

Memory Bandwidth

Theoretically speaking, the GeForce RTX 2080 Ti should perform much faster than the Radeon RX 6600 XT overall. (explain)

GeForce RTX 2080 Ti 630784 MB/sec
Radeon RX 6600 XT 262144 MB/sec
Difference: 368640 (141%)

Texel Rate

The GeForce RTX 2080 Ti should be quite a bit (approximately 46%) more effective at AF than the Radeon RX 6600 XT. (explain)

GeForce RTX 2080 Ti 367200 Mtexels/sec
Radeon RX 6600 XT 251904 Mtexels/sec
Difference: 115296 (46%)

Pixel Rate

If using a high screen resolution is important to you, then the Radeon RX 6600 XT is superior to the GeForce RTX 2080 Ti, though not by far. (explain)

Radeon RX 6600 XT 125952 Mpixels/sec
GeForce RTX 2080 Ti 118800 Mpixels/sec
Difference: 7152 (6%)

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 2080 Ti

Amazon.com

Check prices at:

Radeon RX 6600 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 2080 Ti Radeon RX 6600 XT
Manufacturer nVidia AMD
Year September 2018 August 2021
Code Name TU102-300A-K1-A1 Navi 23 XT
Memory 11264 MB 8192 MB
Core Speed 1350 MHz 1968 MHz
Memory Speed 1750 GB/s 2000 GB/s
Power (Max TDP) 250 watts 160 watts
Bandwidth 630784 MB/sec 262144 MB/sec
Texel Rate 367200 Mtexels/sec 251904 Mtexels/sec
Pixel Rate 118800 Mpixels/sec 125952 Mpixels/sec
Unified Shaders 4352 2048
Texture Mapping Units 272 128
Render Output Units 88 64
Bus Type GDDR6 GDDR6
Bus Width 352-bit 128-bit
Fab Process 12 nm 7 nm
Transistors (Unknown) million 11060 million
Bus PCIe 3.0 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 maximum amount of information (in units of megabytes per second) that can be moved past the external memory interface in a second. It is worked out by multiplying the card's bus width by its memory clock speed. If it uses DDR memory, it should be multiplied by 2 again. If DDR5, multiply by 4 instead. The higher the memory bandwidth, the better the card will be in general. It especially helps with AA, HDR and high resolutions.

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

Pixel Rate: Pixel rate is the maximum number of pixels that the graphics card can possibly write to its local memory in one second - measured in millions of pixels per second. The figure is calculated by multiplying the amount of ROPs by the clock speed of the card. ROPs (Raster Operations Pipelines - also called Render Output Units) are responsible for outputting the pixels (image) to 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 bandwidth is, the lower the potential to get to the max fill rate.

Display Prices

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GeForce RTX 2080 Ti

Amazon.com

Check prices at:

Radeon RX 6600 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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