Scythe Ninja 5 air cooler review - Core i9 9900K OC at 5000 MHz 1.35 volts

Name: Scythe Ninja 5 air cooler review
Brand: Scythe Ninja 5

by Krzysztof Hukalowicz on: 12/18/2020 03:07 PM [

] 13 comment(s)

Core i9 9900K OC at 5000 MHz 1.35 volts

Time for the overclocking. 1.35 V and higher voltages can cause serious problems for Coffee Lake CPUs because of the TIM used under the heat spreader. Luckily, the 9^th generation uses solder again. Our Core i9 9900K was set to 5000 MHz, at 1.35 volts. Again, wPrime 2.10 (3 times, 1024 M) was used. IDLE temperature measurements are taken on the desktop, with almost no stress to the CPU.

The temps shouldn’t go beyond 90°C, as otherwise, the CPU might degrade, and also throttling can occur (especially applicable to the AMD Ryzen range, which normally operates at lower temperatures). Air coolers usually have a tough time with our Core i9 9900K. The Scythe NINJA 5 is not an exception. Let’s try to push the voltage beyond the 1.35 V mark.

Core i9 9900K OC at 5000 MHz beyond 1.35 volts

There are four stages for the charts below:

Default
5.0 GHz @ 1.35 V
5.0 GHz @ 1.4 V
5.0 GHz @ 1.45 V

The Scythe NINJA 5 managed to keep the CPU temperatures under control until 1.35 V, it was a bit too much at 1.4 V. The final result is nice, considering the very low max rpm of the fans.

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Scythe Ninja 5 air cooler review
Today, we are reviewing an air cooler from Scythe: the NINJA 5. The last time we got our hands on this company’s cooler was a whopping 10 years ago – it was the Ninja 3 model (which earned the “Recommended” award). This time around it’s not a single-tower CPU cooler, but rather a dual one with two fans attached.

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