Even if a card like the GTX 980 Ti is running at stock speeds, its GPU Boost clocks can throttle a little bit if heat becomes an issue. overclocked performance, I forced the fan speed to 60% for both configurations. To provide what I feel is the most accurate apples-to-apples representation of reference vs. For that to be the case, it has to pass a long stress test (in this case, 100 minutes of 3DMark Fire Strike 4K), and also prove flawless through all regular benchmarking. When it comes to overclocking, I don’t produce results unless I consider the overclock to be 100% stable. To test for yourself, you could run AIDA64 or GPU-Z’s logging feature to see where your card’s temperature is peaking, and whether or not that’s adversely affecting the clocks when that temperature is reached. Your chassis and ambient room temp will ultimately decide whether you need to force a higher fan speed or not. I just increased it for the sake of keeping things as cool as possible. Even I didn’t have to, as putting it to 60% kept the temps well under 80☌. I should be clear, though, that while I increased the fan speed, you might not have to. It’s at the 80% mark where your cat’s ears might perk up. Even 70% is what I’d consider to be acceptable. At this level, the card’s fan is noticeable, but it’s at a point where any reasonable game sound is going to more than drown it out. But at +210MHz, the card behaved like a champ – and all without a voltage boost.īecause overclocking inevitably means “more heat”, as I did with the TITAN X, I manually set the fan speed on the 980 Ti to 60%. It seemed to me at first that +230MHz was stable, but it wasn’t, and likewise, the same happened at +220MHz. The core overclock had a similar evolution. In the end, I dropped the memory down another 50MHz to settle on +300MHz, and that remained stable in every possible test I threw at it. Then I loaded up AC IV: Black Flag and quickly found myself looking at memory corruption on the screen. I came to believe that +350MHz was stable, then, as those specific tests passed without issue. +210MHz core, +300MHz memory, 60% fan speedĪt first, I thought that +400MHz was stable, until a few specific tests told me it wasn’t. At +300MHz, I fell short of the TITAN X’s +400MHz, but ultimately, that won’t matter nearly as much as the core overclock. Where I failed to match the TITAN X is on the memory. Even more interesting, perhaps, is that on TITAN X, that required a slight voltage boost, but it didn’t on the GTX 980 Ti. What’s interesting, though, is that I hit the same core overclock as I did with TITAN X – +210MHz. With an ultimate boost of 210MHz to the core, though, that’s a bit odd to say, but I just felt like I was reaching hard ceilings very easily – ceilings, where if you merely dropped 5 or 10MHz, you’d be 100% stable. Not long after undertaking the task of overclocking the GTX 980 Ti, I realized that this card is more difficult to push than the TITAN X. So without further ado, let’s do this! Our GTX 980 Ti Overclock At the same time, I knocked the card back down to stock and conjured up some Best Playable results across nine titles. So, as I did with TITAN X, I spent a fair amount of time overclocking the 980 Ti. No, it’s fun to push buttons, and see what kind of true performance we can eke from the card through overclocking. We know that the GTX 980 Ti is a “ mini TITAN X“, in that it’s very fast for its $649 price tag, but it’d be no fun to leave things alone. Once AMD’s new series drops, which is expected to happen on the 16th, we could see a shake-up. The GTX 980 Ti carries a $150 premium over the non-Ti, but it’s fortunately warranted. The GTX 980 itself was what I considered to be “amazing”, when it was released back in September, and the Ti makes it even better by adding more cores to the mix. We established last week that NVIDIA’s GeForce GTX 980 Ti is a great high-end card.
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