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GeForce GTX 1080 vs Nvidia Titan X


Intro

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

Compare those specifications to the Nvidia Titan X, which has GPU clock speed of 1417 MHz, and 12288 MB of GDDR5X memory set to run at 1251 MHz through a 384-bit bus. It also is made up of 3584 SPUs, 224 TAUs, and 96 Raster Operation Units.

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 overall. (explain)

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

Texel Rate

The Nvidia Titan X will be a lot (more or less 23%) more effective at anisotropic filtering than the GeForce GTX 1080. (explain)

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

Pixel Rate

If running with a high screen resolution is important to you, then the Nvidia Titan X is the winner, by a large margin. (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

Display Prices

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GeForce GTX 1080

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 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 largest amount of data (measured in megabytes per second) that can be transported across the external memory interface in one second. The number is calculated by multiplying the interface width by its memory speed. In the case of DDR RAM, the result should be multiplied by 2 once again. If it uses DDR5, multiply by ANOTHER 2x. The higher the bandwidth is, the faster the card will be in general. It especially helps with anti-aliasing, High Dynamic Range and high resolutions.

Texel Rate: Texel rate is the maximum number of texture map elements (texels) that can be applied per second. This figure is calculated by multiplying the total texture units by the core clock speed of the chip. The better this number, the better the video card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels applied in one second.

Pixel Rate: Pixel rate is the maximum number of pixels the video card can possibly write to the local memory in one second - measured in millions of pixels per second. Pixel rate is worked out by multiplying the number of colour ROPs by the the card's clock speed. ROPs (Raster Operations Pipelines - also sometimes called Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel output rate is also dependant on many other factors, especially the memory bandwidth - the lower the memory bandwidth is, the lower the ability to reach the maximum fill rate.

Display Prices

Hide Prices

GeForce GTX 1080

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.

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