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Nvidia Titan X vs Radeon RX 6800

Intro

The Nvidia Titan X has a clock frequency of 1417 MHz and a GDDR5X memory frequency of 1251 MHz. It also uses a 384-bit memory bus, and makes use of a 16 nm design. It is made up of 3584 SPUs, 224 TAUs, and 96 Raster Operation Units.

Compare that to the Radeon RX 6800, which uses a 7 nm design. AMD has clocked the core speed at 1700 MHz. The GDDR6 memory runs at a frequency of 2000 MHz on this model. It features 3840 SPUs as well as 240 TAUs and 96 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Both cards have the same power consumption.

Memory Bandwidth

Theoretically speaking, the Radeon RX 6800 should perform a small bit faster than the Nvidia Titan X overall. (explain)

Radeon RX 6800 524288 MB/sec
Nvidia Titan X 491520 MB/sec
Difference: 32768 (7%)

Texel Rate

The Radeon RX 6800 will be much (approximately 29%) more effective at texture filtering than the Nvidia Titan X. (explain)

Radeon RX 6800 408000 Mtexels/sec
Nvidia Titan X 317408 Mtexels/sec
Difference: 90592 (29%)

Pixel Rate

The Radeon RX 6800 will be just a bit (about 20%) better at FSAA than the Nvidia Titan X, and also will be able to handle higher screen resolutions while still performing well. (explain)

Radeon RX 6800 163200 Mpixels/sec
Nvidia Titan X 136032 Mpixels/sec
Difference: 27168 (20%)

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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Nvidia Titan X

Amazon.com

Check prices at:

Radeon RX 6800

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 Nvidia Titan X Radeon RX 6800
Manufacturer nVidia AMD
Year August 2016 November 2020
Code Name GP102-400 Navi 21
Memory 12288 MB 16384 MB
Core Speed 1417 MHz 1700 MHz
Memory Speed 10008 MHz 4000 GB/s
Power (Max TDP) 250 watts 250 watts
Bandwidth 491520 MB/sec 524288 MB/sec
Texel Rate 317408 Mtexels/sec 408000 Mtexels/sec
Pixel Rate 136032 Mpixels/sec 163200 Mpixels/sec
Unified Shaders 3584 3840
Texture Mapping Units 224 240
Render Output Units 96 96
Bus Type GDDR5X GDDR6
Bus Width 384-bit 256-bit
Fab Process 16 nm 7 nm
Transistors 12000 million 26800 million
Bus PCIe 3.0 x16 PCIe 4.0 x16
DirectX Version DirectX 12.0 DirectX 12
OpenGL Version OpenGL 4.5 OpenGL 4.6

Memory Bandwidth: Bandwidth is the maximum amount of information (in units of megabytes per second) that can be transferred across the external memory interface within a second. The number is calculated by multiplying the bus width by its memory clock speed. If it uses DDR RAM, the result should be multiplied by 2 once again. If it uses DDR5, multiply by ANOTHER 2x. The better the bandwidth is, the faster the card will be in general. It especially helps with AA, HDR and high resolutions.

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

Pixel Rate: Pixel rate is the maximum number of pixels that the graphics card could possibly write to the local memory in one second - measured in millions of pixels per second. The number is calculated by multiplying the amount of Render Output Units by the the core speed of the card. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel fill rate also depends on many other factors, especially the memory bandwidth - the lower the memory bandwidth is, the lower the potential to get to the maximum fill rate.

Display Prices

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Nvidia Titan X

Amazon.com

Check prices at:

Radeon RX 6800

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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