this post was submitted on 20 Nov 2023
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I purchased a new 14700k with an asus rog strix z790 motherboard and Corsair ddr5 96gb 5600 kit.

It’s a drop in replacement from a 3950x.

The issue I’m having is that while gaming it’s overloading my ups. (6900xt, 850 watt psu)

I’d like some advice on bios settings to tune down the power consumption under load. Cities skylines 2 is keeping all the threads at around 70% usage individually including e cores and with the Radeon card it’s a bit too much. The ups is like 2 months old so I don’t want to replace it yet.

Right now the bios is pretty stock aside from making sure rebar is on and boot drive tweak.

Is it possible to undervolt these?

I’m using a custom water loop so temps aren’t an issue.

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[–] [email protected] 1 points 11 months ago (1 children)

Follow these instructions for ASUS

https://www.reddit.com/r/intel/comments/17vdfba/14700k_for_gaming_asus_multicore_enhancement_auto/k9afwqz/

Skip the TVB part since you're trying to reduce power, but everything else applies.

[–] [email protected] 1 points 11 months ago

Thanks. Looks like I got the wattage down to 511-523 watts as measured at the PSU with these changes while running cities skylines 2.

[–] [email protected] 1 points 11 months ago (1 children)

I have the same board. Boot drive tweak?

[–] [email protected] 1 points 11 months ago

I dual boot multiple operating systems. Initially had to enable csm but I got refind working now. So I can boot with rebar enabled for windows gaming but still boot bsd in uefi mode

[–] [email protected] 1 points 11 months ago

Best advice ever, buy better 1000W PSU, those spikes of power usage might burn your PSU and leak power to any low voltage lines. It is extremely dangerous for motherboard and ssd/hdd to get power spikes due to insufficient power supply. Most probably you have some low grade PSU, but anyhow any good PSU gold/platinum 1000w would be best option for you friend.