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GeForce GTX Titan X vs Nvidia Titan X

Intro

The GeForce GTX Titan X comes with a GPU core speed of 1000 MHz, and the 12288 MB of GDDR5 memory runs at 1750 MHz through a 384-bit bus. It also is made up of 3072 Stream Processors, 192 TAUs, and 96 ROPs.

Compare those specs to the Nvidia Titan X, which comes with core speeds of 1417 MHz on the GPU, and 1251 MHz on the 12288 MB of GDDR5X RAM. It features 3584 SPUs as well as 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 a lot faster than the GeForce GTX Titan X overall. (explain)

Nvidia Titan X 491520 MB/sec
GeForce GTX Titan X 336000 MB/sec
Difference: 155520 (46%)

Texel Rate

The Nvidia Titan X will be quite a bit (about 65%) more effective at AF 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 lots of anti-aliasing is important to you, then the Nvidia Titan X is superior to the GeForce GTX Titan X, by a large margin. (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

GeForce GTX Titan X

Nvidia Titan X

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 491520 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 max amount of information (in units of megabytes per second) that can be transferred over the external memory interface in one second. It is calculated by multiplying the interface width by its memory speed. If the card has DDR type memory, the result should be multiplied by 2 once again. If DDR5, multiply by 4 instead. The better the bandwidth is, the better the card will be in general. It especially helps with AA, High Dynamic Range and higher screen resolutions.

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

Pixel Rate: Pixel rate is the maximum number of pixels the graphics card can possibly write to the local memory in a second - measured in millions of pixels per second. The figure is worked out by multiplying the amount of colour ROPs by the the core clock speed. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel output rate is also dependant on quite a few other factors, especially the memory bandwidth of the card - the lower the memory bandwidth is, the lower the ability to reach the max fill rate.

GeForce GTX Titan X

Nvidia Titan X

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