When comparing NVIDIA GeForce GTX 1080 vs NVIDIA TITAN X (Pascal), the Slant community recommends NVIDIA GeForce GTX 1080 for most people. In the question“What is the best GPU for ultra-wide monitor gaming?” NVIDIA GeForce GTX 1080 is ranked 1st while NVIDIA TITAN X (Pascal) is ranked 8th. The most important reason people chose NVIDIA GeForce GTX 1080 is:
In benchmarks, the GTX 1080 FE (Founder's Edition) is a hair slower than *two* GTX 980 units in SLI configuration (the difference is 2% in 3DMark 11). In gaming tests, the GTX 1080 FE achieved 61fps average in Need For Speed 2016 on high settings at 4K resolution. For comparison, the AMD Radeon R9 Fury scored 40fps (34% lower), and the GTX 980 scored 34fps (44% lower than the GTX 1080 FE). The only slowdowns you will encounter in maxed out 4K graphics is during extremely demanding scenes. The GTX 1080 FE also supports GPU Boost 3.0 which lets it ramp up performance even higher as long as the temperature doesn't rise too much.
Specs
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Pros
Pro Epic 4K performance
In benchmarks, the GTX 1080 FE (Founder's Edition) is a hair slower than two GTX 980 units in SLI configuration (the difference is 2% in 3DMark 11).
In gaming tests, the GTX 1080 FE achieved 61fps average in Need For Speed 2016 on high settings at 4K resolution. For comparison, the AMD Radeon R9 Fury scored 40fps (34% lower), and the GTX 980 scored 34fps (44% lower than the GTX 1080 FE).
The only slowdowns you will encounter in maxed out 4K graphics is during extremely demanding scenes.
The GTX 1080 FE also supports GPU Boost 3.0 which lets it ramp up performance even higher as long as the temperature doesn't rise too much.
Pro Well optimized
NVIDIA properly optimized the GTX 1080 FE for DirectX. This means that games supporting DirectX 11 will see a slight performance boost, but more-so for the upcoming games using DirectX12.
Pro Very power efficient
While performance is higher than its competitors, the GTX 1080 FE actually uses less power. The maximum amount of power consumption this GPU requires is around 185 watts, which is an improvement of over 35% compared to NVIDIA's previous generation high-end graphics card, the GTX 980 Ti. This also plays a positive role when choosing a power supply, or determining if you need to upgrade your existing PSU.
Pro Large memory size allows for plenty of headroom
The TITAN X is equipped with 12 gigabytes of video memory, while most other high-end cards only have about 8 gigabytes. While those extra gigabytes of memory may prove quite useless for the moment, the extra memory does allow for plenty of headroom for more memory-intensive games in the future, especially at higher resolutions.
Pro Incredible performance, ideal for 4K
The NVIDIA TITAN X is the company's most powerful graphics card available based on the Maxwell architecture which makes it ideal for the most intensive gaming situations. In 1080p and 1440p gaming situations, the TITAN X will effortlessly achieve very high framerates of 100+ fps while using the highest possible graphical settings. The power of the TITAN X truly shines when gaming in 4K. For example, in the resource-intensive Rise of The Tomb Raider, the TITAN X achieves an average framerate of 61 fps with the highest possible settings and 4K resolution. The same can be said for games such as Doom (81 fps), Grand Theft Auto V (75 fps) and 64 frames per second in The Witcher 3. Considering the very high 4K-resolution and the use of the absolute maximum graphical settings with anti-aliasing and high-quality anisotropic filtering, this is a very impressive feat.
Pro Offers exclusive features such as Ansel and Simultaneous multi-projection
The updated TITAN X and other Pascal-based GPU's from NVIDIA offer a couple of exclusive features that aren't available on previous-generation graphics cards or current GPU's made by AMD.
Taking advantage of the new GPU architecture, NVIDIA has introduced a feature called simultaneous multi-projection. It allows developers of games and applications to improve performance when rendering multiple viewports of the same image. This is particularly useful when using a multi-monitor setup or in virtual reality where two images are required, one for each eye. Simultaneous multi-projection allows up to 16 different viewpoints and only requires calculating the geometry of a scene once. In compatible games, users of multi-screen setups can calibrate this experience so that distortion no longer occurs. Virtual reality games can use SMP to improve performance, although developers will specifically need to implement this feature in their games.
Ansel is another feature that is exclusive to NVIDIA's Pascal-based graphics cards. Ansel can be described as a very extensive 'photomode', where you can capture massive in-game screenshots of several gigapixels or capture images in 360 degrees. The player is also able to use filters, adjust camera positions, take HDR-images and share them via the built-in software.
Pro Decent overclocking potential
The TITAN X doesn't have issues with hefty overclock boosts of over 10%, both for the overall GPU clock speed and the memory. The increase in the power limit of the TITAN X also allows for more consistent results.
Cons
Con No native support for 3- and 4-way SLI
SLI - short for Scalable Link Interface - is NVIDIA's technology of combining the power of two or more identical GPU's in order to reach a better performance. In other words, you can use multiple GTX 1080 video cards to further increase performance. Although the GTX 1080 supports 2-way SLI without a problem, NVIDIA does not offer support for 3- and 4-way SLI. The included SLI-bridge which serves as a connector between the two cards, is only compatible in a 2-way configuration. 3-way and 4-way SLI are possible but aren't supported. You'll have to use an older SLI-bridge found on older GeForce models and you'll need to generate an 'Enthusiast Key' on NVIDIA's website. However, NVIDIA does not guarantee a 3- or 4-way configuration will provide any noticeable benefits.
Con Disappointing performance improvements when using Vulkan
Vulkan is a graphical API that allows developers to communicate better with the GPU, which in theory should result in performance improvements compared to the more standard DirectX 12 or OpenGL API's. The GTX 1080 doesn't perform particularly better in Vulkan however, and the difference with the standard OpenGL is minimal at higher resolutions.
Doom is one of the first (and only) titles with support for Vulkan and serves as a good benchmark for OpenGL vs Vulkan performance. In 1080p Full HD resolution and Ultra settings, the GTX 1080 is able to reach an average framerate of 140 FPS in OpenGL. Vulkan improves the frame rate to 166 FPS, a fifteen percent increase. Starting from 1440p resolutions however, performance improvements using Vulkan are very minimal and not noticeable during gameplay. 1080 does pretty well at 109 FPS in 1440p, while Vulkan only marginally improves this result with 145 FPS, a 5% increase. For comparison: AMD's RX 480 card does perform significantly better with Vulkan and higher frame rates, with a performance boost of 29.3%. Similar results are seen when testing in 4K. In this case, the GTX 1080 using Vulkan actually performs worse than the standard OpenGL, with 59 FPS and 60 FPS respectively. AMD's RX 480 is better optimized, as it's able to achieve a performance increase of 24.7% in this scenario.
In short, Vulkan performance seems particularly useful when gaming in Full HD, but it doesn't provide much performance benefits otherwise. It would appear that NVIDIA's Pascal architecture isn't optimized for high-resolution Vulkan gaming.
Con High temperatures, throttling may occur
During full load, temperatures of the high-end TITAN X chip will reach roughly 80 degrees Celsius. Those temperatures are acceptable for a high-end card, but the TITAN X will not allow itself to go above this temperature in order to prevent damage to the chips. When the maximum target of 80° C is reached, the card will start to slow itself down and reduce the clock speeds (also known as throttling), which also results in a slightly lower and less consistent performance.
Con Doesn't offer decent value
With a recommended retail price of $1,200, the TITAN X is one of the most expensive GPU's available. In fact, the price tag is almost two times as much as that of NVIDIA's second-fastest graphics card, the GeForce GTX 1080. The latter retails for a little bit over $600. While the TITAN X may perform about 30% better than a 1080, a card with nearly double the price tag may be hard to justify.