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GeForce RTX 4090 vs Radeon VII

Intro

The GeForce RTX 4090 has core speeds of 2235 MHz on the GPU, and 1325 MHz on the 24576 MB of GDDR6X RAM. It features 16384 SPUs as well as 512 Texture Address Units and 176 ROPs.

Compare those specifications to the Radeon VII, which makes use of a 7 nm design. AMD has clocked the core frequency at 1400 MHz. The HBM2 memory runs at a speed of 1000 MHz on this specific card. It features 3840 SPUs as well as 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 4090 450 Watts
Difference: 155 Watts (53%)

Memory Bandwidth

Performance-wise, the Radeon VII should in theory be a bit superior to the GeForce RTX 4090 overall. (explain)

Radeon VII 1048576 MB/sec
GeForce RTX 4090 1042432 MB/sec
Difference: 6144 (1%)

Texel Rate

The GeForce RTX 4090 should be a lot (more or less 241%) better at texture filtering than the Radeon VII. (explain)

GeForce RTX 4090 1144320 Mtexels/sec
Radeon VII 336000 Mtexels/sec
Difference: 808320 (241%)

Pixel Rate

If using lots of anti-aliasing is important to you, then the GeForce RTX 4090 is superior to the Radeon VII, by a large margin. (explain)

GeForce RTX 4090 393360 Mpixels/sec
Radeon VII 89600 Mpixels/sec
Difference: 303760 (339%)

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 4090

Amazon.com

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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 4090 Radeon VII
Manufacturer nVidia AMD
Year October 2022 2019
Code Name AD102 Vega 20 XT
Memory 24576 MB 16384 MB
Core Speed 2235 MHz 1400 MHz
Memory Speed 1325 GB/s 1000 MHz
Power (Max TDP) 450 watts 295 watts
Bandwidth 1042432 MB/sec 1048576 MB/sec
Texel Rate 1144320 Mtexels/sec 336000 Mtexels/sec
Pixel Rate 393360 Mpixels/sec 89600 Mpixels/sec
Unified Shaders 16384 3840
Texture Mapping Units 512 240
Render Output Units 176 64
Bus Type GDDR6X HBM2
Bus Width 384-bit 4096-bit
Fab Process 4 nm 7 nm
Transistors 76300 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: Bandwidth is the max amount of data (counted in megabytes per second) that can be transferred across the external memory interface in a second. The number is worked out by multiplying the card's interface width by its memory clock speed. If it uses DDR memory, it must be multiplied by 2 again. If it uses 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 texture map elements (texels) that can be processed in one second. This number is calculated by multiplying the total texture units by the core clock speed of the chip. The higher this number, 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 the local memory per second - measured in millions of pixels per second. The number is calculated by multiplying the amount of ROPs by the the core clock speed. ROPs (Raster Operations Pipelines - sometimes also referred to as Render Output Units) are responsible for outputting the pixels (image) to 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 bandwidth is, the lower the potential to reach the maximum fill rate.

Display Prices

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GeForce RTX 4090

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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