It was sufficient when you changed the voltage, which has the greatest effect on Core temperatures. A steady 100% workload is crucial for thermal testing.Also, downclocking to 3.5 GHz is a little drastic. above from left to right: Small FFT's, Blend, Linpack and Intel Burn Test.Note the steady thermal signature of Small FFT's, which allows accurate measurements of Core temperatures. During certain test sequences, Small FFT's maintains a higher CPU workload than Large FFT's.Here's an example:The 'Charts' in SpeedFan span 13 minutes, and show how each test creates different thermal signatures. As such, Blend and Large FFT's both have fluctuating workloads which aren’t well suited for CPU thermal testing. Prime95's default test, Blend, is a fluctuating workload for testing memory stability, and Large FFT's combines CPU and memory tests. Later versions of Prime95 corrected those descriptions.Small FFT's is the ideal test for CPU temperature because it primarily tests the CPU, and it's a steady 100% TDP workload. Fortunately, Corsair warranties your cooler for 5 years, so when the pump does fail, you should be able to RMA the unit for a replacement.Although the description in Prime95 v26.6 for Large FFT's says 'maximum heat, power consumption' it actually refers to total system, CPU and memory, so that description is a little misleading. Glad that worked for you, which proves your H100i is functioning. And transistors that turn on and off with less energy are more efficient, reducing the operating power, or “dynamic power consumption,” required by a processor. The faster a transistor can toggle on and off, the faster it can do work. The Ryis more power efficient and generates less heat.Larger programs are divided into threads (small sections) so that the processor can execute them simultaneously to get faster execution. This architecture greatly increases the performance of a system that is running concurrent applications. Each core can handle a separate stream of data. The benefit of having more cores is that the system can handle more threads. More likely on a server, less on a personally used computer for interactive desktop workloads. This is useful when you have substantial multiprocessing workloads, many computationally intense simultaneous processes.

Data/instructions which have to be processed can be loaded from the fast L2 and the CPU does not have to wait for the very slow DDR RAM For some games, a cpu with a higher clock speed, or in a technical name IPC (Instructions per clock), has better results than other CPU's with higher core count and lower core speed.

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