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Nvidia Titan X vs Radeon R9 290X

Intro

The Nvidia Titan X comes with core speeds of 1417 MHz on the GPU, and 1251 MHz on the 12288 MB of GDDR5X memory. It features 3584 SPUs as well as 224 TAUs and 96 ROPs.

Compare those specs to the Radeon R9 290X, which features core speeds of 800 MHz on the GPU, and 1250 MHz on the 4096 MB of GDDR5 memory. It features 2816 SPUs as well as 176 TAUs and 64 Rasterization Operator Units.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Nvidia Titan X 250 Watts
Radeon R9 290X 300 Watts
Difference: 50 Watts (20%)

Memory Bandwidth

Performance-wise, the Nvidia Titan X should in theory be quite a bit better than the Radeon R9 290X in general. (explain)

Nvidia Titan X 491520 MB/sec
Radeon R9 290X 320000 MB/sec
Difference: 171520 (54%)

Texel Rate

The Nvidia Titan X will be much (approximately 125%) more effective at texture filtering than the Radeon R9 290X. (explain)

Nvidia Titan X 317408 Mtexels/sec
Radeon R9 290X 140800 Mtexels/sec
Difference: 176608 (125%)

Pixel Rate

The Nvidia Titan X should be a lot (approximately 166%) more effective at full screen anti-aliasing than the Radeon R9 290X, and also capable of handling higher screen resolutions without slowing down too much. (explain)

Nvidia Titan X 136032 Mpixels/sec
Radeon R9 290X 51200 Mpixels/sec
Difference: 84832 (166%)

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

Radeon R9 290X

Amazon.com

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 R9 290X
Manufacturer nVidia AMD
Year August 2016 October 2013
Code Name GP102-400 Hawaii XT
Memory 12288 MB 4096 MB
Core Speed 1417 MHz 800 MHz
Memory Speed 10008 MHz 5000 MHz
Power (Max TDP) 250 watts 300 watts
Bandwidth 491520 MB/sec 320000 MB/sec
Texel Rate 317408 Mtexels/sec 140800 Mtexels/sec
Pixel Rate 136032 Mpixels/sec 51200 Mpixels/sec
Unified Shaders 3584 2816
Texture Mapping Units 224 176
Render Output Units 96 64
Bus Type GDDR5X GDDR5
Bus Width 384-bit 512-bit
Fab Process 16 nm 28 nm
Transistors 12000 million 6200 million
Bus PCIe 3.0 x16 PCIe 3.0 x16
DirectX Version DirectX 12.0 DirectX 11.2
OpenGL Version OpenGL 4.5 OpenGL 4.3

Memory Bandwidth: Bandwidth is the max amount of information (measured in MB per second) that can be transported over the external memory interface within a second. It is worked out by multiplying the bus width by its memory clock speed. If it uses DDR RAM, it should be multiplied by 2 once again. If it uses DDR5, multiply by 4 instead. The better the memory bandwidth, the faster 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 are applied per second. This number 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 applied in a second.

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

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