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GeForce RTX 3090 vs Radeon RX 6750 XT

Intro

The GeForce RTX 3090 comes with a GPU core speed of 1395 MHz, and the 24576 MB of GDDR6X memory runs at 1219 MHz through a 384-bit bus. It also is made up of 10496 Stream Processors, 328 Texture Address Units, and 112 Raster Operation Units.

Compare all of that to the Radeon RX 6750 XT, which has a clock speed of 2150 MHz and a GDDR6 memory speed of 2250 MHz. It also uses a 192-bit memory bus, and uses a 7 nm design. It is made up of 2560 SPUs, 160 TAUs, and 64 Raster Operation Units.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon RX 6750 XT 250 Watts
GeForce RTX 3090 350 Watts
Difference: 100 Watts (40%)

Memory Bandwidth

In theory, the GeForce RTX 3090 should perform much faster than the Radeon RX 6750 XT in general. (explain)

GeForce RTX 3090 958668 MB/sec
Radeon RX 6750 XT 442368 MB/sec
Difference: 516300 (117%)

Texel Rate

The GeForce RTX 3090 is a lot (approximately 33%) faster with regards to texture filtering than the Radeon RX 6750 XT. (explain)

GeForce RTX 3090 457560 Mtexels/sec
Radeon RX 6750 XT 344000 Mtexels/sec
Difference: 113560 (33%)

Pixel Rate

The GeForce RTX 3090 should be just a bit (about 14%) better at AA than the Radeon RX 6750 XT, and also capable of handling higher resolutions while still performing well. (explain)

GeForce RTX 3090 156240 Mpixels/sec
Radeon RX 6750 XT 137600 Mpixels/sec
Difference: 18640 (14%)

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 RX 6750 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 3090 Radeon RX 6750 XT
Manufacturer nVidia AMD
Year September 2020 March 2022
Code Name GA102-300-A1 Navi 22
Memory 24576 MB 12288 MB
Core Speed 1395 MHz 2150 MHz
Memory Speed 1219 GB/s 2250 GB/s
Power (Max TDP) 350 watts 250 watts
Bandwidth 958668 MB/sec 442368 MB/sec
Texel Rate 457560 Mtexels/sec 344000 Mtexels/sec
Pixel Rate 156240 Mpixels/sec 137600 Mpixels/sec
Unified Shaders 10496 2560
Texture Mapping Units 328 160
Render Output Units 112 64
Bus Type GDDR6X GDDR6
Bus Width 384-bit 192-bit
Fab Process 8 nm 7 nm
Transistors 28300 million 17200 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 largest amount of information (measured in MB per second) that can be transported across the external memory interface in a second. It is worked out by multiplying the card's bus width by the speed of its memory. In the case of DDR RAM, the result should be multiplied by 2 again. If DDR5, multiply by ANOTHER 2x. The higher the card's memory bandwidth, the better the card will be in general. It especially helps with AA, High Dynamic Range and high resolutions.

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

Pixel Rate: Pixel rate is the most pixels that the graphics card can possibly write to the local memory per second - measured in millions of pixels per second. The figure is calculated by multiplying the number of colour ROPs by the the card's clock speed. ROPs (Raster Operations Pipelines - also called Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel fill rate is also dependant on many other factors, most notably 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 RX 6750 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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