Question Do i need a AIO? Ryzen 9 5950x Nh d15

Jan 8, 2021
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Hello everyone

I have some doubts, I am a little paranoid about this issue and now even more because the PC is new.

This is my PC:
Ryzen 9 5950x
Noctua NH - D15 Chromax Black (One Fan config)
Gigabyte X570 Aorus Master
Gigabyte RTX 3070
TridentZ Neo 32GB 3600mhz CL16

My CPU at rest is approximately at 47º Celsius although when I open the browser and open windows and others it has peaks of up to 55º

In games things change, for example in AC Valhalla the temperature is between 56º and 62º and some peak at 71º that lasts 2 seconds some days the temperature does not even reach 59º playing this game.

In cyberpunk for example, I have come to see 81º a little strange because throughout the game I oscillated between 75º and 77º a few days ago that I have seen 81º

Soon I will change the case for a Be Quiet Pure Base 500DX with 6 corsair LL120 3 on the front as intake 2 above as exhaust and one back as exhaust also I will add the second fan to the NH D15

Do you think that with those changes it would be okay? or would I need an AIO such as the Arctic Liquid Freezer II 360
 

Karadjgne

Titan
Ambassador
You own a Ryzen, not an Intel. Throw out ANY and ALL preconceived ideas, notions, thoughts, opinions, facts you might think about as being relevant to temps in a PC cpu.

Intels at idle lower voltages and speeds across all cores, but all cores remain active. Very low loads per core, even start/stop of services etc fets split up amongst the cores, so only adds a fraction % to any 1 core at any time. This tiny spike sets that particular core as hottest, which you see as a jump from 32-40ish degrees C. Then the next core gets a spike, rinse and repeat.

Ryzens at idle shut down all cores except 1. That single core has the entire idle load, plus every single service or process that starts/stops, so is constantly the hottest core, with a higher load than any individual intel core. So will run 40's and spike to 70's easily, the load spike changing faster than any cooler can compensate for in such a short time period.

Max temps are worse. Ryzen are self governing. They boost according to the temp of the cpu, the voltages applied and the load requirements in thread count. So a 5950X will not exceed its 142w PPT and rarely ever even comes close, unless you manually force it to. Intel throws those self governing 'I don't want to die' cpu thoughts out the window, and will blast away at whatever it can get. The 9900k would hit 250w locked cores turbo. The only thing stopping an Intel from burning up is its thermal ceiling safety shutdowns, but would run all day in the high 90's and not trip that wire. Ryzens won't allow that to happen and will physically downclock the boost to stay in what it considers a safe range.
 

Phaaze88

Champion
Ambassador
Imagine replacing a legendary cooler with an AIO
:pfff:
It's great and all - I have one myself(S variant) - but there are limits to what it can deal with... 5950X ain't it though. An overclocked 10900K, on the other hand...

All this idle temp nonsense has been going on for quite some time now... geez, was it always like this? I don't remember.
 

Phaaze88

Champion
Ambassador
Yeah Intel CPUs are another story
The 10900K is fine with the NH-D15/S before overclocking, thanks to the Intel defined power limits.
That's why I specifically mentioned overclocking on that cpu. Well, both it and the 10700K get stoopid when removing those power limits; both being possible 300w cpus - under the right loads, of course.
 

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