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GeForce RTX 3090 vs Radeon VII

Intro

The GeForce RTX 3090 has a GPU core speed of 1395 MHz, and the 24576 MB of GDDR6X RAM runs at 1219 MHz through a 384-bit bus. It also is made up of 10496 SPUs, 328 TAUs, and 112 Raster Operation Units.

Compare that to the Radeon VII, which comes with core speeds of 1400 MHz on the GPU, and 1000 MHz on the 16384 MB of HBM2 memory. It features 3840 SPUs along with 240 TAUs and 64 Rasterization Operator Units.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon VII 295 Watts
GeForce RTX 3090 350 Watts
Difference: 55 Watts (19%)

Memory Bandwidth

In theory, the Radeon VII should be a small bit faster than the GeForce RTX 3090 overall. (explain)

Radeon VII 1048576 MB/sec
GeForce RTX 3090 958668 MB/sec
Difference: 89908 (9%)

Texel Rate

The GeForce RTX 3090 is a lot (more or less 36%) better at AF than the Radeon VII. (explain)

GeForce RTX 3090 457560 Mtexels/sec
Radeon VII 336000 Mtexels/sec
Difference: 121560 (36%)

Pixel Rate

The GeForce RTX 3090 will be much (more or less 74%) better at full screen anti-aliasing than the Radeon VII, and also able to handle higher resolutions more effectively. (explain)

GeForce RTX 3090 156240 Mpixels/sec
Radeon VII 89600 Mpixels/sec
Difference: 66640 (74%)

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 3090

Amazon.com

Check prices at:

Radeon VII

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 3090 Radeon VII
Manufacturer nVidia AMD
Year September 2020 2019
Code Name GA102-300-A1 Vega 20 XT
Memory 24576 MB 16384 MB
Core Speed 1395 MHz 1400 MHz
Memory Speed 1219 GB/s 1000 MHz
Power (Max TDP) 350 watts 295 watts
Bandwidth 958668 MB/sec 1048576 MB/sec
Texel Rate 457560 Mtexels/sec 336000 Mtexels/sec
Pixel Rate 156240 Mpixels/sec 89600 Mpixels/sec
Unified Shaders 10496 3840
Texture Mapping Units 328 240
Render Output Units 112 64
Bus Type GDDR6X HBM2
Bus Width 384-bit 4096-bit
Fab Process 8 nm 7 nm
Transistors 28300 million 13230 million
Bus PCIe 4.0 x16 PCIe 3.0 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 (in units of megabytes per second) that can be transferred past the external memory interface in a second. The number is worked out by multiplying the card's bus width by its memory clock speed. In the case of DDR type memory, it must be multiplied by 2 again. If it uses DDR5, multiply by 4 instead. The better the card's memory bandwidth, the faster the card will be in general. It especially helps with anti-aliasing, High Dynamic Range and high resolutions.

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

Pixel Rate: Pixel rate is the maximum amount of pixels that the graphics chip can possibly record to its local memory per second - measured in millions of pixels per second. The number is worked out by multiplying the number of Render Output Units by the the core clock speed. ROPs (Raster Operations Pipelines - also sometimes 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, especially the memory bandwidth of the card - the lower the bandwidth is, the lower the potential to get to the maximum fill rate.

Display Prices

Hide Prices

GeForce RTX 3090

Amazon.com

Check prices at:

Radeon VII

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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