ES Xeon Discussion

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custom90gt

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Nov 17, 2016
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Any tips or thoughts on how to reduce idle power consumption on these setups? I'm not overly concerned with it, but my idle power consumption according to BMC is around 360W.

System specs:
OS: Unraid 7.1.4
CPU: Xeon Q2SR (1/2 cores disabled)
MB: Gigabyte MS03-CE0
Memory: 256GB 4800MHz ECC
GPU: Intel Arc Pro A40
I do have 10x3.5" HDDs, a few 2.5" SSDs, 2xM.2 drives, and an intel x710 NIC taking some power

When I had my W680 setup with a 14900k the idle power was around 200W. I don't expect that but if I'm missing something obvious it would be good to know. Overall I love the build and being able to dedicate "real" cores to my VMs.
 
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RolloZ170

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Apr 24, 2016
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custom90gt said:
Any tips or thoughts on how to reduce idle power consumption on these setups? I'm not overly concerned with it, but my idle power consumption according to BMC is around 360W.
Click to expand...
sorry but this is real off topic here.
there are many similar discussions with tips and todos.
 
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arabus

Active Member
Apr 22, 2024
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custom90gt said:
Any tips or thoughts on how to reduce idle power consumption on these setups? I'm not overly concerned with it, but my idle power consumption according to BMC is around 360W.

System specs:
OS: Unraid 7.1.4
CPU: Xeon Q2SR (1/2 cores disabled)
MB: Gigabyte MS03-CE0
Memory: 256GB 4800MHz ECC
GPU: Intel Arc Pro A40
I do have 10x3.5" HDDs, a few 2.5" SSDs, 2xM.2 drives, and an intel x710 NIC taking some power

When I had my W680 setup with a 14900k the idle power was around 200W. I don't expect that but if I'm missing something obvious it would be good to know. Overall I love the build and being able to dedicate "real" cores to my VMs.
Click to expand...
Q2SR approx. 100W on idle.
Screenshot 2025-06-24 120716.png
 
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RolloZ170

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Apr 24, 2016
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arabus said:
Q2SR approx. 100W on idle.
Click to expand...
your mesh is full engaged 2400mhz, not IDLE. high perform.plan never idles....
UnbenanntW11002sth.jpg
around 55Watts.
high perf.plan. min.processor state 25%
- Processor idle demote threshold 95
- Processor idle promote threshold 98
 
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custom90gt

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Nov 17, 2016
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I'll have to see if there are any settings in the bios I can modify to lower the power consumption of the CPU itself. Unraid does not have as many tunables as windows.
 
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RolloZ170

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Apr 24, 2016
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custom90gt said:
I'll have to see if there are any settings in the bios I can modify to lower the power consumption of the CPU itself. Unraid does not have as many tunables as windows.
Click to expand...
you should first check power consumption of all single parts. or you tweak BIOS not knowing CPU is the special part.
 
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custom90gt

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Nov 17, 2016
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RolloZ170 said:
you should first check power consumption of all single parts. or you tweak BIOS not knowing CPU is the special part.
Click to expand...
Every part is the same except for the intel Arc gpu that I can see the power usage on. It would be awesome to have a single thread with all of the tweaks to these CPUS (not just the power saving ones). Thanks again for all of your help with these builds.
 
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RolloZ170

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Apr 24, 2016
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custom90gt said:
It would be awesome to have a single thread with all of the tweaks to these CPUS (not just the power saving ones).
Click to expand...
you can not expect a similar idle power like the 14900K (7Watts package in windows)
you use quadch. RDIMM, not dualch. UDIMM and so on. all power saving tweaks will make the system more lazy/laggy,
if your system sleeps all the time, why you upgraded to 64 core EMR ?
 
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sam55todd

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May 11, 2023
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RolloZ170 said:
you can not expect a similar idle power like the 14900K (7Watts package in windows)
you use quadch. RDIMM, not dualch. UDIMM and so on. all power saving tweaks will make the system more lazy/laggy,
if your system sleeps all the time, why you upgraded to 64 core EMR ?
Click to expand...
Agreed, Desktop grade 14900 has all the sleep-states and can go into stand-by, this Xeon is a very different beast and you can't put it into sleep mode.
 
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custom90gt

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Nov 17, 2016
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RolloZ170 said:
you can not expect a similar idle power like the 14900K (7Watts package in windows)
you use quadch. RDIMM, not dualch. UDIMM and so on. all power saving tweaks will make the system more lazy/laggy,
if your system sleeps all the time, why you upgraded to 64 core EMR ?
Click to expand...
I think you're overthinking the question. It was simple if there were any easy power saving features that could be enabled. I'm not overly concerned with it. The CPU is great because of the cores, but the real reason I upgraded was for more ram and PCIe lanes. The cpu isn't much faster than a 14900k in the end. Overall I'm happy with the swap.

*on edit* Simply setting the power management from OS control to bios control and enabling balanced profile seems to have dropped idle system power to 300W. Still boosts fine to 4ghz.
 
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cw823

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Jan 14, 2014
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VM performance is so bad in unraid I cannot imagine chasing power savings with a Xeon.
 
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Cythisia

Member
Jul 25, 2024
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Change to OOB and balanced power. Dual socket on MS73, and with PL1 to 200w, I can idle 150w. This way if I am not using cores, it does not change all cores to 2800ghz PL1. (Also trying to downsize QYFR system with MS73 but no idea where, Ebay?)
 
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sersmile

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Jun 7, 2025
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Hello everyone. Can anyone who has experienced spr es tell me if there is any major bug? Some friend of mine told me that the 4th generation of Xeon ES are full of bugs. Is that true? If so, typically what kind of bugs? Will I be affected when running some Python and C++ code?
 
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RolloZ170

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Apr 24, 2016
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sersmile said:
Can anyone who has experienced spr es tell me if there is any major bug? Some friend of mine told me that the 4th generation of Xeon ES are full of bugs. Is that true?
Click to expand...
there are many ES stages. the early ones have usualy more bugs, for that reason next ES are made with some bugs solved.
We use mostly SPR stepping D0 ES2, they are prior to final befor intel decided to redesign silicon(die shrink)
But so far many people run Windows 10/11 without issues, so i guess that will not be possible with major bugs.
you may not able to use the accellerators, but i think it is because the final intel drivers don't like to work with ES accel.
sersmile said:
Will I be affected when running some Python and C++ code?
Click to expand...
no.
 
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