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Its just AMD CPU's that idle high right?

Yulaw said:
My 5800x3d with a noctua nh-d15 runs about 35-40c when idle and 60-75 depending on the game.

The above is inside a fractal r5 with is not the best case for air cooling.

Personally id download pbo2 and have a go at adjusting the power curves, knocked off 10c from my chip at load and 5c at idle.
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thats something I might look at in the future, but overall, considering im using a "basic" cooler on a 12 core chip, the temps seem reasonable..

so will stick with it for now! :) cheers though!
 
srekal34 said:
AMD has generally higher idle consumption to comparable Intel - so higher temp is expected. Load consumption is obviously exact opposite.
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The irony is AMD laptop CPUs idle very low (around 5watts), they can pull extremely low watts at idle on laptops, but on desktop it's the complete opposite and my 7950x uses 60watts doing absolutely nothing so the cpu is never lower than 40c
 
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Grim5 said:
The irony is AMD laptop CPUs idle very low (around 5watts), they can pull extremely low watts at idle on laptops, but on desktop it's the complete opposite and my 7950x uses 60watts doing absolutely nothing so the cpu is never lower than 40c
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Thats due to chiplets - HX mobile versions arent very efficent at idle either - HS are golden.
 
Grim5 said:
The irony is AMD laptop CPUs idle very low (around 5watts), they can pull extremely low watts at idle on laptops, but on desktop it's the complete opposite and my 7950x uses 60watts doing absolutely nothing so the cpu is never lower than 40c
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My 7950 is at 22W (package power) now and I am playing YouTube music and writing this, 60W doing nothing seem high.
 
And that's just default bios. If I enable PBO it will jump to 80w. If I enable 65w ECO bios it drops to 40w

I had the same issue on the 5950x only 3950x did not have this issue. Its because the clocks are high at idle, I see cores sitting at well over 5ghz with high voltage while doing nothing

I've seen one person claim they can get idle down to 10w by locking bios voltage to 1v and locking clocks to near base clocks
 
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Grim5 said:
And that's just default bios. If I enable PBO it will jump to 80w. If I enable 65w ECO bios it drops to 40w

I had the same issue on the 5950x only 3950x did not have this issue. Its because the clocks are high at idle, I see cores sitting at well over 5ghz with high voltage while doing nothing

I've seen one person claim they can get idle down to 10w by locking bios voltage to 1v and locking clocks to near base clocks
Click to expand...
High RAM speed increases the idle by 10+ watts. I get ~15W idle on a fresh boot just after login. With EXPO (5600 1.2V SOC) its 25-30W. If your clocks are staying high, that sounds like something is running in the background, mine hovers between 3.3-3.5Ghz most of the time and that’s when I’m streaming a film.
 
7600 CPU, I have FireFox open and Spotify on the go. VPN running, Anti-virus, some of the ASrock utilties in system tray. Nothing else. Power reported by Ryzen Master 6w with occasional spike up to 10w. EXPO 6000Mhz DDR5. CPU Clock between 500Mhz - 1.5GHz. 37ºC.
 
7600x here - following curve optimizer work it idles around 35c. I have it under a custom loop with 4 x 120 fans over radiators (overkill).

I had Gigabyte control centre loading on start-up along with some other Gigabyte bloatware (performance library, CFOS, storage library, RGB) and that was adding 4-5c to idle with its background processes. Once uninstalling all that guff CPU and memory usage dropped and the temps were hovering more around 35c than 40c. It doesn't take a lot to get up to 40c though.
 
My 5800X sits at ~22W and 35 degrees at "idle" (albeit not really since Hwinfo is open). That's with a relatively aggressive overclock on the memory/Infinity Fabric and air cooled with a Noctua NH-U12A.

5800xx7f91.png
 
well, i left my pc for 5-10 minutes..came back and my GPU + CPU were idling at around 35-37..so happy at that. Obviously jumps up when I fire up AMl, Edge, Steam etc..

But the biggest jump has been limiting the power from 100% to 85%. It still peaks around 70-72 but the fan speed has gone from peaking around 75-80% to around 65%.

So happy atm with things..
 
Cyber-Mav said:
Need to use wall plug meter to get some proper figures.
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That won't help if you're interested in CPU power in isolation. For instance my PC with a 5950X used to draw ~80W AC at idle* when I had a Radeon VII installed. Now it draws ~120W, with the extra due entirely to a change of GPU to a 7900XTX. HWiNFO64 says CPU package power is 35W at idle (and Tctl is 47°C), so most of the PC's total power consumption is from things other than the CPU.

* Not completely idle, but with a few things like a web browser open, using <1% CPU.
 
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