Temperatures
All temperature charts are sorted with lowest load temperatures at the top.
I must confess to being slightly disappointed with the performance of both coolers here. The Hyper 212 LED beats out the Pro 4 by a significant margin, while the Pro 3 is bested by a low-profile cooler in the shape of the Raijintek Pallas.
Considering the price of both these coolers, they do not seem overly competitive in the £30-£40 market segment – the Cryorig H7 remains the best bet here thanks to its incredible price-to-performance ratio.
Acoustics
Acoustically, both are fine. The Pro 4 benefits from its bigger, 120mm fan, as the Pro 3's 92mm spinner can get a little whiny at high RPMs. Both are audible when idling, but the noise is far from intrusive. With the CPU at 100% load, the Pro 3 is noticeable and slightly whiny as I said, but it is not overly annoying. The Pro 4, however, is little more than gentle hum.
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