Test and methodology
A Ryzen 5 3600 has to be cooled at factory settings, in addition 16GB Crucial Ballistix Sport (2x8GB) DDR4 memory on a MSI B550 Tomahawk (BIOS 7C91vA3). The Asus ROG Strix GTX 1060 6GB is running in zero-fan mode for the CPU stress tests only for the image output, and a BitFenix Whisper M 450W serves as the power source, all housed in the Thermaltake Core P3 as an open benchtable.
All records are logged with HWInfo64 v6.30-4240 – 2000ms logging, the specified temperature is derived from the sensor CPU Die (Average). The load of Prime95 produces an average of 88 watts of CPU package power. Since I don’t have air conditioning, the values in the graphs are the delta between room temperature and CPU temperature. This allows all cooling systems to be compared fairly, even if the ambient temperature is different. The thermal paste supplied with the cooler or pre-applied is used in each case.
The sound level is determined with a Voltcraft SL-200 meter at a distance of 40cm, operating in 125ms cycles in Lo mode. The room was measured at 33.3 dBA, an external sample table helps with the breakdown.
Benchmarks
In the first run, the 624 Stealth is allowed to work as intended with two fans in push/pull. Step by step, the speed of both fans (1 = front, 2 = rear) is increased simultaneously:
2 fans |
30% PWM |
60% PWM |
100% PWM |
Fan speed 1 |
750 RPM |
1012 RPM |
1392 RPM |
Fan speed 2 |
750 RPM |
1024 RPM |
1375 RPM |
Sound level / characteristic |
33.7 d |
35.8 d |
42.0 d |
Ambient temperature |
23,7 – 24,2°C |
22,1 – 23,4°C |
23,8 – 23,8°C |
And the second run then with only the 140mm fan in the middle:
1 fan |
30% PWM |
60% PWM |
100% PWM |
Fan speed 1 |
751 RPM |
1017 RPM |
1392 RPM |
Noise characteristics |
very low noise |
light hiss |
Noise |
Ambient temperature |
23,4 – 23,9°C |
23,5 – 22,8°C |
22,9 – 22,2°C |
Here is the overview of the average temperatures with comparison to other coolers and little brother:
Summary and conclusion
And again Cooler Master can convince, one concentrates first purely on the cooler itself. Very good cooling performance meets impeccable workmanship and 5-year warranty. Even though the 624 Stealth is designed for processors with significantly higher waste heat, it can deliver one of the best results for an air cooler here.
The suggested MSRP of €99.90 places it as a direct competitor to the Noctua NH-D15 chromax.black and above other high-end air coolers. Even many AiO watercoolers are in that price range, so whether you can stay there is questionable. However, should the price settle a bit lower, Cooler Master offers a very good new option for elegant and quiet systems with this cooler, which can hold a candle to the established models.
The test samples are purchased by ourselves or provided by the manufacturers without obligation. There is no influence on the tests and results. An expense allowance is only paid in exceptional cases, but is shown and also has no influence on the test results.
Cooler Master MasterAir MA624 Stealth (MAM-D6PS-314PK-R1)
Verfügbar - 3-5 Werktage Lieferzeit | 109,39 €*Stand: 28.03.24 22:51 | |
5-8 Werktage | 109,64 €*Stand: 28.03.24 23:57 |
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