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GeForce GTX 980 Ti vs Nvidia Titan X

Intro

The GeForce GTX 980 Ti has a core clock speed of 1000 MHz and a GDDR5 memory frequency of 1750 MHz. It also uses a 384-bit bus, and uses a 28 nm design. It features 2816 SPUs, 176 TAUs, and 96 Raster Operation Units.

Compare all of that to the Nvidia Titan X, which makes use of a 16 nm design. nVidia has clocked the core frequency at 1417 MHz. The GDDR5X RAM runs at a frequency of 1251 MHz on this specific card. 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

In theory, the Nvidia Titan X should be a lot faster than the GeForce GTX 980 Ti overall. (explain)

Nvidia Titan X 491520 MB/sec
GeForce GTX 980 Ti 336000 MB/sec
Difference: 155520 (46%)

Texel Rate

The Nvidia Titan X will be a lot (more or less 80%) more effective at AF than the GeForce GTX 980 Ti. (explain)

Nvidia Titan X 317408 Mtexels/sec
GeForce GTX 980 Ti 176000 Mtexels/sec
Difference: 141408 (80%)

Pixel Rate

If running with lots of anti-aliasing is important to you, then the Nvidia Titan X is superior to the GeForce GTX 980 Ti, by far. (explain)

Nvidia Titan X 136032 Mpixels/sec
GeForce GTX 980 Ti 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 980 Ti

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 980 Ti Nvidia Titan X
Manufacturer nVidia nVidia
Year June 2015 August 2016
Code Name GM200 GP102-400
Memory 6144 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 176000 Mtexels/sec 317408 Mtexels/sec
Pixel Rate 96000 Mpixels/sec 136032 Mpixels/sec
Unified Shaders 2816 3584
Texture Mapping Units 176 224
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 (counted in megabytes per second) that can be transported past the external memory interface in a second. It's worked out by multiplying the interface width by its memory speed. In the case of DDR memory, it must be multiplied by 2 again. If DDR5, multiply by ANOTHER 2x. The better the card's memory bandwidth, the faster the card will be in general. It especially helps with AA, High Dynamic Range and high resolutions.

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

Pixel Rate: Pixel rate is the maximum amount of pixels that the graphics chip could possibly record to the local memory in a second - measured in millions of pixels per second. Pixel rate is calculated by multiplying the number of Render Output Units by the the core speed of the card. ROPs (Raster Operations Pipelines - sometimes also referred to as Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel rate is also dependant on lots of other factors, especially the memory bandwidth of the card - the lower the memory bandwidth is, the lower the potential to reach the maximum fill rate.

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