We took a special look at that, comparing performance of the classic SLI bridge with the HB bridge at up to 4K60Hz, and there is no significant difference in framerates or visual smoothness, not even in games running over 200 FPS at 4K resolution. When you look online for guidance on SLI HB, you will find forums full of people claiming that you must absolutely use a high-bandwidth bridge with Pascal or performance will suffer. You needed 3-4 GTX 980 Ti cards to achieve something like this before, and the demographic was smaller. With the GTX 1080, you're getting smooth frame-rates (60 FPS and above) with just two cards, which puts performance within the realm of gamers. This is also supported by the fact that you need the costlier HEDT platform for enough PCIe slots for 3-way or 4-way. Get a GTX 970 or wait for the likes of the AMD Radeon RX 480.Ģ-way multi-GPU users (typically gamers) make up a significantly larger demographic than 3-way and 4-way multi-GPU users (typically enthusiasts). Even a single card is overkill for 1080p. GTX 1080 SLI is way overkill for lower resolutions such as 1080p. For a 60 Hz monitor, even a single card is sufficient as its framerates stay close to or exceed 60 FPS in most of titles.
NVIDIA's decision to facilitate higher resolutions such as 5K and using modern DisplayPort 1.4 connectors, and the new SLI HB multi-GPU interconnect with over three times the bandwidth of a classic 2-way SLI bridge, show that the company believes that GTX 1080 SLI can provide playable frame-rates at those resolutions.Ī GeForce GTX 1080 SLI setup should prove useful if you have a 120 Hz WQHD (2560 x 1440) monitor. is also the highest monitor resolution we had at hand. The GTX 1080 duo makes short work of any current game at 4K Ultra HD resolution, with framerates exceeding 60 FPS in most games that scale. Value and ConclusionAt close to $1,400 (as low as $1,200 if you consider the $599 baseline price and $1,300 if you consider the $650 mean price of custom-design cards), GeForce GTX 1080 SLI is the fastest dual-GPU solution, although any claims of being the fastest graphics solution money can buy could be disputed by the fact that the GeForce GTX Titan X and the Radeon R9 Fury X support 4-way multi-GPU.
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