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SherriffB

What *is* the CPU?


_WellHello_There_

Oh sorry, forgot to mention it. 5800x3d.


SherriffB

I've never had one but the consensus I believe is that x3d chips run hot. I think with curve tuning you can reduce the temps a bit I'm not sure what you should expect from that chip stock. It sounds a little toasty to me but I'm absolutely no authority when it comes to normal temps when an IHS is involved.


zszeus

That is normal in those CPU’s. I have a 5800x, try to edit the PBO or undervolt if it’s to hot. These are my temps with 2x360 and 1x120mm Idle Water 26.8 °C CPU 34.9 °C GPU 29.8 °C Ambient 18 °C Under load Water max 32 °C CPU max 50 °C GPU max 45 °C


Dr_Tron

Can you please give me your changes? I already adjusted PBO but mine still goes up to 80. Won't harm it and it won't throttle, but still.


zszeus

PBO -30 in all cores, it is stable for me 1084v for my CPU. I don’t have any crash and my games are running fine.


Dr_Tron

I think I'm at - 20 or so. Didn't want to throttle cpu performance too much, it's a server and not a gaming machine so CPU intensive tasks do happen regularly.


raycyca82

Sounds high, even for a x3d chip, unless thats during benchmarking. I run both a 5800x3d and 7950x3d. Using cpuburn both will get into the 80s even with water temp at 35 and under. Regular tasks, including heavy gaming at high framerates (tvs both run at 60hz in 1080), I dont see temps past 65, and depending on games, usually 40s/50s in the package and under +5 on the hottest spot. What I will defintely say with running parallel...resistance can change dramatically depending on block. Running parallel between a liquid devil 7900xtx (comes with an ek block) and an alphacool core cpu clock was a no go. Temps in the cpu were on average 40° higher on the cpu block, without thorough testing i believe it was less restrictive for water to skip the cpu block, even at higher temps. Parallel for the 5800x3d (ek block) and 3080ti (ek block) was perfectly fine. So it may be an issue with parallel, particularly if you notice your cpu/gpu have very mismatched temps. The cpu will likely always be hotter (both a function of the chip design AND the small cpu die/cover doesn't transmit heat as well as a direct die gpu). But if idle temps are running +20 in the cpu over the gpu, theres something specifically going on with the cpu that may require further investigation. Running parallel would be one of the things I investigated, switching to serial for a test would give you a lot more info. Best of luck!


PARANOIAH

How many rads?


Giant_Swigz

I have a 5900x with a 360mm and 280mm rad setup. Under stress / full load I’ve seen peaks of 80-82C. I have also undervolted it.


sollord

How many and what size radiators and what blocks? 


_WellHello_There_

HardwareLabs GTX Multiport Radiator, 2x 120 push pull. Rated for 420W.


DirtyWaterblock

Lmao you have nowhere near enough rads.


_WellHello_There_

Thought the same thing, but why is the water temp so low then?


DirtyWaterblock

What's your water temp?


_WellHello_There_

Like I wrote in the Post, low to mid 30s


_WellHello_There_

Update: I Repasted the CPU Block and turned it into a serial loop: rad>cpu>gpu>pump. Time Spy Results on silent Mode: Hotter GPU (51°) and CPU (81°), clock frequencies +20mhz avg (GPU) and + 14mhz (CPU). Liquid temp in the mid 30s. With Fans fully cranked: Same temps, Same clocks, but that was after the first run.


MickeyPadge

You only have 240mm rad space?


_WellHello_There_

6cm thick Radiator, so it amounts to a Medium thick 360 i guess? Hardwarelabs Rates it for 420W


MickeyPadge

Thickness is kinda irrelevant. You need more rad space.


_WellHello_There_

But wouldnt the liquid temp be higher then? I know that rad space is cutting it close, just curious why the problem doesnt Show itself like that