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GeForce GTX 1080 vs Nvidia Titan X

Intro

The GeForce GTX 1080 features a clock frequency of 1607 MHz and a GDDR5X memory frequency of 1251 MHz. It also makes use of a 256-bit memory bus, and uses a 16 nm design. It features 2560 SPUs, 160 TAUs, and 64 ROPs.

Compare those specifications to the Nvidia Titan X, which comes with a clock frequency of 1417 MHz and a GDDR5X memory frequency of 1251 MHz. It also uses a 384-bit bus, and makes use of a 16 nm design. It is comprised of 3584 SPUs, 224 TAUs, and 96 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 1080 180 Watts
Nvidia Titan X 250 Watts
Difference: 70 Watts (39%)

Memory Bandwidth

Theoretically speaking, the Nvidia Titan X should be a lot faster than the GeForce GTX 1080 in general. (explain)

Nvidia Titan X 491520 MB/sec
GeForce GTX 1080 327680 MB/sec
Difference: 163840 (50%)

Texel Rate

The Nvidia Titan X is much (approximately 23%) better at AF than the GeForce GTX 1080. (explain)

Nvidia Titan X 317408 Mtexels/sec
GeForce GTX 1080 257120 Mtexels/sec
Difference: 60288 (23%)

Pixel Rate

The Nvidia Titan X will be a lot (about 32%) faster with regards to full screen anti-aliasing than the GeForce GTX 1080, and also able to handle higher screen resolutions while still performing well. (explain)

Nvidia Titan X 136032 Mpixels/sec
GeForce GTX 1080 102848 Mpixels/sec
Difference: 33184 (32%)

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 1080

Nvidia Titan X

Specifications

Display Specifications

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Model GeForce GTX 1080 Nvidia Titan X
Manufacturer nVidia nVidia
Year May 2016 August 2016
Code Name GP104-400 GP102-400
Memory 8192 MB 12288 MB
Core Speed 1607 MHz 1417 MHz
Memory Speed 10008 MHz 10008 MHz
Power (Max TDP) 180 watts 250 watts
Bandwidth 327680 MB/sec 491520 MB/sec
Texel Rate 257120 Mtexels/sec 317408 Mtexels/sec
Pixel Rate 102848 Mpixels/sec 136032 Mpixels/sec
Unified Shaders 2560 3584
Texture Mapping Units 160 224
Render Output Units 64 96
Bus Type GDDR5X GDDR5X
Bus Width 256-bit 384-bit
Fab Process 16 nm 16 nm
Transistors 7200 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 max amount of information (counted in megabytes per second) that can be transported across the external memory interface in one second. It is worked out by multiplying the card's bus width by its memory clock speed. If the card has DDR type RAM, it should be multiplied by 2 again. If it uses DDR5, multiply by ANOTHER 2x. The higher the memory bandwidth, the better the card will be in general. It especially helps with AA, HDR and high resolutions.

Texel Rate: Texel rate is the maximum amount of texture map elements (texels) that can be processed in one second. This number 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 video card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels processed in a second.

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

GeForce GTX 1080

Nvidia Titan X

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