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GeForce GTX Titan X vs Nvidia Titan X

Intro

The GeForce GTX Titan X comes with a GPU clock speed of 1000 MHz, and the 12288 MB of GDDR5 RAM is set to run at 1750 MHz through a 384-bit bus. It also is comprised of 3072 SPUs, 192 Texture Address Units, and 96 ROPs.

Compare all of that to the Nvidia Titan X, which comes with a core clock speed of 1417 MHz and a GDDR5X memory frequency of 1251 MHz. It also makes use of a 384-bit memory bus, and makes use of a 16 nm design. It features 3584 SPUs, 224 TAUs, and 96 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Both cards have the same power consumption.

Memory Bandwidth

In theory, the Nvidia Titan X should perform just a bit faster than the GeForce GTX Titan X in general. (explain)

Nvidia Titan X 393216 MB/sec
GeForce GTX Titan X 336000 MB/sec
Difference: 57216 (17%)

Texel Rate

The Nvidia Titan X will be a lot (more or less 65%) better at anisotropic filtering than the GeForce GTX Titan X. (explain)

Nvidia Titan X 317408 Mtexels/sec
GeForce GTX Titan X 192000 Mtexels/sec
Difference: 125408 (65%)

Pixel Rate

If using high levels of AA is important to you, then the Nvidia Titan X is superior to the GeForce GTX Titan X, by far. (explain)

Nvidia Titan X 136032 Mpixels/sec
GeForce GTX Titan X 96000 Mpixels/sec
Difference: 40032 (42%)

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 GTX Titan X

Amazon.com

Nvidia Titan X

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

Display Specifications

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Model GeForce GTX Titan X Nvidia Titan X
Manufacturer nVidia nVidia
Year March 2015 August 2016
Code Name GM200 GP102-400
Memory 12288 MB 12288 MB
Core Speed 1000 MHz 1417 MHz
Memory Speed 7000 MHz 10008 MHz
Power (Max TDP) 250 watts 250 watts
Bandwidth 336000 MB/sec 393216 MB/sec
Texel Rate 192000 Mtexels/sec 317408 Mtexels/sec
Pixel Rate 96000 Mpixels/sec 136032 Mpixels/sec
Unified Shaders 3072 3584
Texture Mapping Units 192 224
Render Output Units 96 96
Bus Type GDDR5 GDDR5X
Bus Width 384-bit 384-bit
Fab Process 28 nm 16 nm
Transistors 8000 million 12000 million
Bus PCIe 3.0 x16 PCIe 3.0 x16
DirectX Version DirectX 12.0 DirectX 12.0
OpenGL Version OpenGL 4.5 OpenGL 4.5

Memory Bandwidth: Memory bandwidth is the maximum amount of information (counted in megabytes per second) that can be transported over the external memory interface in a second. It is calculated by multiplying the card's interface 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 bandwidth is, the faster the card will be in general. It especially helps with anti-aliasing, High Dynamic Range and higher screen resolutions.

Texel Rate: Texel rate is the maximum texture map elements (texels) that can be processed per second. This number is worked out by multiplying the total texture units of the card by the core clock speed of the chip. The higher the texel rate, the better the 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 chip can possibly record to its local memory in a second - measured in millions of pixels per second. Pixel rate is calculated by multiplying the amount of Raster Operations Pipelines by the the card's clock speed. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel rate also depends on lots of other factors, most notably the memory bandwidth of the card - the lower the memory bandwidth is, the lower the ability to get to the max fill rate.

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