PSA: Disable HPET (High Precision Event Timer) for smoother gameplay with more FPS.
Does HPET cause input lag?
HPET Enabled Appears to Lead to Input Lag in Some Games (Ryzen 5 2600) : r/AMDHelp.
What does high precision event timer do?
HPET is a continuously running timer that counts upward, not a one-shot device that counts down to zero, causes one interrupt and then stops.
What is HPET configuration?
The HPET, short for High Precision Event Timer, is a new system timer developed by Intel and Microsoft to replace the four system timers currently in use. Some HPETs have 64-bits wide registers which can also run in the 32-bit mode. This is where the HPET Mode BIOS option comes in.
Should HPET be enabled?
[The engineers recommend that] as far as benchmarking is concerned, it should not matter whether or not HPET is enabled or not. There may be some applications that may not function as advertised if HPET is disabled, so to be safe, keep it enabled, across all platforms.
How do I know if HPET is on or off?
What OS are you using? BTW, here’s an easier way to check if HPET is enabled in the BIOS without having to reboot. Go to device manager, and then system devices. If you see High Precision Event Timer, then it’s turned on in the BIOS.
Should I keep HPET on?
Why should I disable HPET?
How HPET Affects Gameplay? You can notice the HPET bug causing stutters in gameplay if you run a not graphics heavy game on an overpowered GPU. Disabling HPET removes the micro-stuttering and screen tearing that may occur during gameplay.
What is HPET mode?
Quick Review of HPET Mode The HPET, short for High Precision Event Timer, is a new system timer developed by Intel and Microsoft to replace the four system timers currently in use. Setting HPET Mode to the 64-Bit Mode allows the 64-bit operating systems and applications to make full use of the HPET’s 64-bit registers.
