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GeForce RTX 3070 vs Radeon RX 6800 XT

Intro

The GeForce RTX 3070 comes with a clock speed of 1500 MHz and a GDDR6 memory speed of 1750 MHz. It also uses a 256-bit bus, and uses a 8 nm design. It is made up of 5888 SPUs, 184 Texture Address Units, and 96 Raster Operation Units.

Compare those specifications to the Radeon RX 6800 XT, which has core speeds of 1825 MHz on the GPU, and 2000 MHz on the 16384 MB of GDDR6 RAM. It features 4608 SPUs along with 288 TAUs and 128 Rasterization Operator Units.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce RTX 3070 220 Watts
Radeon RX 6800 XT 300 Watts
Difference: 80 Watts (36%)

Memory Bandwidth

The Radeon RX 6800 XT, in theory, should perform just a bit faster than the GeForce RTX 3070 overall. (explain)

Radeon RX 6800 XT 524288 MB/sec
GeForce RTX 3070 (Unknown) MB/sec
Difference: 524288 (-100%)

Texel Rate

The Radeon RX 6800 XT should be a lot (approximately 90%) better at anisotropic filtering than the GeForce RTX 3070. (explain)

Radeon RX 6800 XT 525600 Mtexels/sec
GeForce RTX 3070 276000 Mtexels/sec
Difference: 249600 (90%)

Pixel Rate

The Radeon RX 6800 XT will be much (about 62%) more effective at anti-aliasing than the GeForce RTX 3070, and also will be able to handle higher screen resolutions without losing too much performance. (explain)

Radeon RX 6800 XT 233600 Mpixels/sec
GeForce RTX 3070 144000 Mpixels/sec
Difference: 89600 (62%)

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 3070

Amazon.com

Check prices at:

Radeon RX 6800 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

Display Specifications

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Model GeForce RTX 3070 Radeon RX 6800 XT
Manufacturer nVidia AMD
Year October 2020 November 2020
Code Name Ampere GA104-300-A1 Navi 21
Memory 8192 MB 16384 MB
Core Speed 1500 MHz 1825 MHz
Memory Speed 1750 GB/s 2000 GB/s
Power (Max TDP) 220 watts 300 watts
Bandwidth (Unknown) MB/sec 524288 MB/sec
Texel Rate 276000 Mtexels/sec 525600 Mtexels/sec
Pixel Rate 144000 Mpixels/sec 233600 Mpixels/sec
Unified Shaders 5888 4608
Texture Mapping Units 184 288
Render Output Units 96 128
Bus Type GDDR6 GDDR6
Bus Width 256-bit 256-bit
Fab Process 8 nm 7 nm
Transistors 17400 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: Bandwidth is the maximum amount of data (in units of MB per second) that can be transported past the external memory interface in a second. The number is calculated by multiplying the card's interface width by its memory speed. In the case of DDR type RAM, it should be multiplied by 2 once again. If it uses DDR5, multiply by ANOTHER 2x. The better the memory bandwidth, the better the card will be in general. It especially helps with AA, HDR and higher screen resolutions.

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

Pixel Rate: Pixel rate is the maximum amount of pixels the video card can possibly write to its local memory per second - measured in millions of pixels per second. The figure is worked out by multiplying the amount of ROPs by the clock speed of the card. ROPs (Raster Operations Pipelines - also sometimes called Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel fill rate is also dependant on many 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

GeForce RTX 3070

Amazon.com

Check prices at:

Radeon RX 6800 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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