I experience similar problems and am a bit stuck right now. Has anyone looked into it? The ThrottleStop author seems to imply that
Turbo Boost allows for automatic overclocking so the cores run faster than their base operating frequency. In ideal conditions, this increase is more than 1 GHz - but unfortunately, the IdeaPad Y510p suffers from a less-than-perfect implementation of the technology. As long as only one core is under load, everything is fine: 3.3 GHz are close to the upper Turbo Boost limit. When more than one core is tasked or the GPU is stressed, the clock speed drops to only 2.4 GHz. While this technically cannot be called throttling, it is still rather disappointing.