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GeForce RTX 3070 vs Radeon RX 7900 XT

Intro

The GeForce RTX 3070 has core speeds of 1500 MHz on the GPU, and 1750 MHz on the 8192 MB of GDDR6 memory. It features 5888 SPUs along with 184 Texture Address Units and 96 Rasterization Operator Units.

Compare all that to the Radeon RX 7900 XT, which uses a 5 nm design. AMD has clocked the core speed at 1500 MHz. The GDDR6 RAM runs at a frequency of 2500 MHz on this particular model. It features 5376 SPUs along with 336 Texture Address Units and 192 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce RTX 3070 220 Watts
Radeon RX 7900 XT 300 Watts
Difference: 80 Watts (36%)

Memory Bandwidth

The Radeon RX 7900 XT should in theory be a small bit faster than the GeForce RTX 3070 overall. (explain)

Radeon RX 7900 XT 819200 MB/sec
GeForce RTX 3070 (Unknown) MB/sec
Difference: 819200 (-100%)

Texel Rate

The Radeon RX 7900 XT should be much (more or less 83%) more effective at texture filtering than the GeForce RTX 3070. (explain)

Radeon RX 7900 XT 504000 Mtexels/sec
GeForce RTX 3070 276000 Mtexels/sec
Difference: 228000 (83%)

Pixel Rate

The Radeon RX 7900 XT is quite a bit (approximately 100%) better at FSAA than the GeForce RTX 3070, and also will be capable of handling higher resolutions while still performing well. (explain)

Radeon RX 7900 XT 288000 Mpixels/sec
GeForce RTX 3070 144000 Mpixels/sec
Difference: 144000 (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 3070

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 3070 Radeon RX 7900 XT
Manufacturer nVidia AMD
Year October 2020 December 2022
Code Name Ampere GA104-300-A1 Navi 31 XT
Memory 8192 MB 20480 MB
Core Speed 1500 MHz 1500 MHz
Memory Speed 1750 GB/s 2500 GB/s
Power (Max TDP) 220 watts 300 watts
Bandwidth (Unknown) MB/sec 819200 MB/sec
Texel Rate 276000 Mtexels/sec 504000 Mtexels/sec
Pixel Rate 144000 Mpixels/sec 288000 Mpixels/sec
Unified Shaders 5888 5376
Texture Mapping Units 184 336
Render Output Units 96 192
Bus Type GDDR6 GDDR6
Bus Width 256-bit 320-bit
Fab Process 8 nm 5 nm
Transistors 17400 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: Memory bandwidth is the largest amount of data (measured in megabytes per second) that can be moved across the external memory interface in one second. It's calculated by multiplying the bus width by the speed of its memory. If the card has DDR type RAM, it should be multiplied by 2 again. If it uses DDR5, multiply by 4 instead. The higher the card's memory bandwidth, the better the card will be in general. It especially helps with anti-aliasing, High Dynamic Range and higher screen resolutions.

Texel Rate: Texel rate is the maximum texture map elements (texels) that are processed in one second. This 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 number of pixels the video card could possibly write to its local memory in one second - measured in millions of pixels per second. Pixel rate is calculated by multiplying the number of Render Output Units 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 also depends on lots of other factors, especially the memory bandwidth - the lower the memory bandwidth is, the lower the ability to get to the maximum fill rate.

Display Prices

Hide Prices

GeForce RTX 3070

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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