![]() ![]() Thanks to Jon Peddie Research for GTX 970 & R9 280X support. Our thanks to supporting hardware vendors for supplying some of the test components. We tested using our updated 2015 GPU test bench, detailed in the table below. This post showcases our GTX 980 Ti initial overclock on the reference cooler, yielding a considerable framerate gain in game benchmarks. Overclocking on Maxwell offers some granularity without making things too complicated, though it's not until we get hands-on with board partner video cards that we'll know the true OC ceiling of the 980 Ti. ![]() Unfortunately, this metric can't be exceeded beyond what the BIOS natively allows (without a hack, anyway), and means that we're sharing watts between the core clock, memory clock, and voltage increase. NVidia's newest design institutes a power percent target (“Power % Target”) that increments power provisioning to the die to grant OC headroom. Maxwell, as we've written in a how-to guide before, overclocks differently from other architectures. The GTX 980 Ti runs GM200, the same GPU found in nVidia's Titan X video card, and is driven by Maxwell's new overclocking ruleset. Our initial review of the $650 GTX 980 Ti, published just over twelve hours prior to this post, mentioned an additional posting focusing on the card's overclocking headroom. ![]()
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