AMDLaptops

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The original was posted on /r/amdlaptops by /u/fatso486 on 2023-09-03 12:28:44.

Original Title: So how come HS CPUs (like 7840HS/7940HS) have much lower battery life in standby/playback compared to their U (like 7840U) counterparts. I realize they have higher power limits but I fail to understand how the laptop makers cant tune them to use very low power levels when in power saving mode.

I wonder if this can be done with software like x86 Tuning Utility for power saving plan. I would really love to have a performant Elitebook 845 G10 with 7840HS with excellent battery life. I tried the old G7 (with 4750U) and that thing really delivered more than 12 hours of idle/light load battery life.