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GeForce RTX 3080 12 GB vs Radeon RX 6500 XT

Intro

The GeForce RTX 3080 12 GB features core speeds of 1260 MHz on the GPU, and 1188 MHz on the 12288 MB of GDDR6X RAM. It features 8960 SPUs along with 280 Texture Address Units and 112 ROPs.

Compare all of that to the Radeon RX 6500 XT, which comes with clock speeds of 2200 MHz on the GPU, and 2250 MHz on the 4096 MB of GDDR6 RAM. It features 1024 SPUs as well as 64 Texture Address Units and 32 ROPs.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon RX 6500 XT 107 Watts
GeForce RTX 3080 12 GB 350 Watts
Difference: 243 Watts (227%)

Memory Bandwidth

Theoretically speaking, the GeForce RTX 3080 12 GB should be a lot faster than the Radeon RX 6500 XT overall. (explain)

GeForce RTX 3080 12 GB 934298 MB/sec
Radeon RX 6500 XT 147456 MB/sec
Difference: 786842 (534%)

Texel Rate

The GeForce RTX 3080 12 GB should be much (about 151%) better at AF than the Radeon RX 6500 XT. (explain)

GeForce RTX 3080 12 GB 352800 Mtexels/sec
Radeon RX 6500 XT 140800 Mtexels/sec
Difference: 212000 (151%)

Pixel Rate

The GeForce RTX 3080 12 GB is quite a bit (more or less 100%) more effective at full screen anti-aliasing than the Radeon RX 6500 XT, and able to handle higher screen resolutions more effectively. (explain)

GeForce RTX 3080 12 GB 141120 Mpixels/sec
Radeon RX 6500 XT 70400 Mpixels/sec
Difference: 70720 (100%)

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 12 GB

Amazon.com

Check prices at:

Radeon RX 6500 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 12 GB Radeon RX 6500 XT
Manufacturer nVidia AMD
Year January 2022 January 2022
Code Name GA102-220-A1 Navi 24 XT
Memory 12288 MB 4096 MB
Core Speed 1260 MHz 2200 MHz
Memory Speed 1188 GB/s 2250 GB/s
Power (Max TDP) 350 watts 107 watts
Bandwidth 934298 MB/sec 147456 MB/sec
Texel Rate 352800 Mtexels/sec 140800 Mtexels/sec
Pixel Rate 141120 Mpixels/sec 70400 Mpixels/sec
Unified Shaders 8960 1024
Texture Mapping Units 280 64
Render Output Units 112 32
Bus Type GDDR6X GDDR6
Bus Width 384-bit 64-bit
Fab Process 8 nm 6 nm
Transistors 28300 million 5400 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 max amount of information (measured in megabytes per second) that can be moved over the external memory interface within a second. It is worked out by multiplying the interface width by the speed of its memory. If it uses DDR type RAM, it should be multiplied by 2 once again. If DDR5, multiply by ANOTHER 2x. The better the memory bandwidth, the faster 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 can be processed in one second. This is calculated by multiplying the total 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 texture filtering (anisotropic filtering - AF). It is measured in millions of texels processed in one second.

Pixel Rate: Pixel rate is the maximum amount of pixels that the graphics card can possibly record to the local memory in a second - measured in millions of pixels per second. The figure is calculated by multiplying the number of Raster Operations Pipelines by the the core 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 reach the maximum fill rate.

Display Prices

Hide Prices

GeForce RTX 3080 12 GB

Amazon.com

Check prices at:

Radeon RX 6500 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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