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Nvidia Titan X vs Radeon R9 290X

Intro

The Nvidia Titan X uses a 16 nm design. nVidia has clocked the core speed at 1417 MHz. The GDDR5X RAM works at a speed of 1251 MHz on this particular card. It features 3584 SPUs along with 224 Texture Address Units and 96 Rasterization Operator Units.

Compare those specs to the Radeon R9 290X, which has core clock speeds of 800 MHz on the GPU, and 1250 MHz on the 4096 MB of GDDR5 RAM. It features 2816 SPUs as well as 176 Texture Address Units 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 theoretically be quite a bit superior to the Radeon R9 290X overall. (explain)

Nvidia Titan X 393216 MB/sec
Radeon R9 290X 320000 MB/sec
Difference: 73216 (23%)

Texel Rate

The Nvidia Titan X should be a lot (more or less 125%) better at AF than the Radeon R9 290X. (explain)

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

Pixel Rate

If running with a high resolution is important to you, then the Nvidia Titan X is a better choice, and very much so. (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 393216 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 largest amount of data (counted in MB per second) that can be transported past the external memory interface in one second. It is worked out by multiplying the card's interface width by its memory clock speed. In the case of DDR RAM, the result should be multiplied by 2 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, High Dynamic Range and high resolutions.

Texel Rate: Texel rate is the maximum texture map elements (texels) that are processed 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 higher this number, the better the card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels in a second.

Pixel Rate: Pixel rate is the most pixels the video card could possibly record to its local memory per second - measured in millions of pixels per second. The figure is worked out by multiplying the number of colour ROPs 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 fill rate also depends on many other factors, especially the memory bandwidth of the card - the lower the bandwidth is, the lower the ability to reach the maximum fill rate.

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