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GeForce GTX Titan X vs Nvidia Titan X

Intro

The GeForce GTX Titan X comes with core clock speeds of 1000 MHz on the GPU, and 1750 MHz on the 12288 MB of GDDR5 RAM. It features 3072 SPUs along with 192 Texture Address Units and 96 ROPs.

Compare those specifications to the Nvidia Titan X, which comes with core clock speeds of 1417 MHz on the GPU, and 1251 MHz on the 12288 MB of GDDR5X RAM. It features 3584 SPUs along with 224 Texture Address Units and 96 Rasterization Operator Units.

Display Graphs

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Power Usage and Theoretical Benchmarks

Both cards have the same power consumption.

Memory Bandwidth

The Nvidia Titan X, in theory, should perform a lot faster than the GeForce GTX Titan X in general. (explain)

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

Texel Rate

The Nvidia Titan X should be much (approximately 65%) more effective 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

The Nvidia Titan X is much (approximately 42%) more effective at AA than the GeForce GTX Titan X, and also able to handle higher resolutions without losing too much performance. (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

Display Prices

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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 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: Bandwidth is the maximum amount of data (in units of MB per second) that can be moved across the external memory interface within a second. The number is worked out by multiplying the bus width by the speed of its memory. If the card has DDR RAM, it must be multiplied by 2 once again. If DDR5, multiply by ANOTHER 2x. The better the memory bandwidth, the better the card will be in general. It especially helps with anti-aliasing, HDR and higher screen resolutions.

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

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

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