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GeForce RTX 3080 vs GeForce RTX 3090

Intro

The GeForce RTX 3080 comes with core clock speeds of 1440 MHz on the GPU, and 1188 MHz on the 10240 MB of GDDR6X RAM. It features 8704 SPUs along with 272 Texture Address Units and 96 ROPs.

Compare all that to the GeForce RTX 3090, which features core clock speeds of 1395 MHz on the GPU, and 1219 MHz on the 24576 MB of GDDR6X RAM. It features 10496 SPUs along with 328 TAUs and 112 Rasterization Operator Units.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce RTX 3080 320 Watts
GeForce RTX 3090 350 Watts
Difference: 30 Watts (9%)

Memory Bandwidth

The GeForce RTX 3090 should in theory perform a lot faster than the GeForce RTX 3080 in general. (explain)

GeForce RTX 3090 958668 MB/sec
GeForce RTX 3080 778547 MB/sec
Difference: 180121 (23%)

Texel Rate

The GeForce RTX 3090 is a little bit (approximately 17%) more effective at anisotropic filtering than the GeForce RTX 3080. (explain)

GeForce RTX 3090 457560 Mtexels/sec
GeForce RTX 3080 391680 Mtexels/sec
Difference: 65880 (17%)

Pixel Rate

The GeForce RTX 3090 is a little bit (more or less 13%) better at anti-aliasing than the GeForce RTX 3080, and will be able to handle higher screen resolutions without slowing down too much. (explain)

GeForce RTX 3090 156240 Mpixels/sec
GeForce RTX 3080 138240 Mpixels/sec
Difference: 18000 (13%)

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

Amazon.com

Check prices at:

GeForce RTX 3090

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 3080 GeForce RTX 3090
Manufacturer nVidia nVidia
Year September 2020 September 2020
Code Name Ampere GA102-200-KD-A1 GA102-300-A1
Memory 10240 MB 24576 MB
Core Speed 1440 MHz 1395 MHz
Memory Speed 1188 GB/s 1219 GB/s
Power (Max TDP) 320 watts 350 watts
Bandwidth 778547 MB/sec 958668 MB/sec
Texel Rate 391680 Mtexels/sec 457560 Mtexels/sec
Pixel Rate 138240 Mpixels/sec 156240 Mpixels/sec
Unified Shaders 8704 10496
Texture Mapping Units 272 328
Render Output Units 96 112
Bus Type GDDR6X GDDR6X
Bus Width 320-bit 384-bit
Fab Process 8 nm 8 nm
Transistors 28300 million 28300 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 information (in units of MB per second) that can be transferred past the external memory interface in one second. The number is worked out by multiplying the card's bus width by the speed of its memory. If the card has DDR type memory, it must be multiplied by 2 once again. If DDR5, multiply by 4 instead. The better the card's memory bandwidth, the faster the card will be in general. It especially helps with AA, HDR and higher screen resolutions.

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

Pixel Rate: Pixel rate is the maximum amount of pixels that the graphics card could possibly record to the local memory per second - measured in millions of pixels per second. The number is worked out by multiplying the number of colour ROPs by the the core speed of the card. ROPs (Raster Operations Pipelines - also called Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel output rate also depends on quite a few other factors, most notably the memory bandwidth - the lower the bandwidth is, the lower the ability to reach the max fill rate.

Display Prices

Hide Prices

GeForce RTX 3080

Amazon.com

Check prices at:

GeForce RTX 3090

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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