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.
I had to be a bit more … creative in placing my otherwise vertically installed graphics card here, as it would otherwise collide with the cooler.
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.
I determine the sound level with a Voltcraft SL-200 meter at a distance of 40cm, which works in 125ms cycles in Lo mode.
The room was measured at 33.2 dBA, an external sample table helps with the breakdown.
Important: Normally, you should mount the cooler rotated by 180°, i.e. with the heatpipes above the RAM. Due to the small distance to the VRM coolers, I had instinctively mounted it “the wrong way around”, but that also worked amazingly well. So good to know that both ways work, but the normal installation leaves more space for the graphics card.
Benchmarks
There was a lot to test this time around, so apologies for the amount of graphs. First of all, the results in completely passive mode including the time it takes the cooler to cool down:
Passive / No fan |
Heatup |
Cooldown |
Speed |
0 RPM |
0RPM |
Sound level / characteristic |
33.2 dBA silent |
33.2 dBA |
Ambient temperature |
23,5 – 23,5°C |
23,5 – 23,5°C |
In purely passive operation, the thermal throttle limit of 95°C was reached several times.
We continue with the results when operating with the also new and optionally available NF-A12x25 LS-PWM fan. This can be attached to the heat sink in three different positions:
First the hole set 1, i.e. below and in push configuration:
1 Fan / LS1 |
50% PWM |
100% PWM |
Speed |
640 RPM |
1205 RPM |
Sound level / characteristic |
33.4 dBA silent |
33.7 dBA |
Ambient temperature |
24,6 – 24,8°C |
25,0 – 24,8°C |
Then comes hole set 2 on top of the radiator, I used a pull configuration here to help natural convection a bit so to speak:
1 Fan / LS2 |
50% PWM |
100% PWM |
Speed |
639 RPM |
1211 RPM |
Sound level / characteristic |
33.4 dBA silent |
33.7 dBA |
Ambient temperature |
24,5 – 24,3°C |
24,6 – 24,8°C |
And finally, hole set 3 on the side of the cooler, but then you need a fairly wide housing and preferably a side air intake:
1 Fan / LS3 |
50% PWM |
100% PWM |
Speed |
642 RPM |
1210 RPM |
Sound level / characteristic |
33.4 dBA silent |
33.7 dBA |
Ambient temperature |
25,1 – 25,2°C |
24,3 – 24,3°C |
All results evaluated, summarized and compared with each other:
So much for that! But because I would almost call running in an open benchtable for such a cooler cheating, I wanted to test the whole thing a bit more realistically. More on the next page!
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