I adjusted everything and i think there is no time drift anymore or much less than before after switching to “default” Profile.
Overclocking Profile now is: default
Besides that, all other Settings are the same in the Performance category as my Screenshot posted above.
root@dietpi:~# cat /boot/config.txt
# Docs: https://github.com/raspberrypi/documentation/blob/master/configuration/config-txt/README.md
# Overlays: https://github.com/raspberrypi/firmware/blob/master/boot/overlays/README
#-------Display---------
# Max allocated framebuffers: Set to "0" in headless mode to reduce memory usage
# - Defaults to "2" on RPi4 and "1" on earlier RPi models
max_framebuffers=0
# If you get no picture, set the following to "1" to apply most compatible HDMI settings.
#hdmi_safe=1
# Uncomment to adjust the HDMI signal strength if you have interferences, blanking, or no display.
# - Values from "0" to "11" are allowed, use values above "7" only if required, e.g. with very long
# - Default on first RPi1 A/B is "2", else "5", on RPi4 this setting is ignored.
#config_hdmi_boost=5
# Uncomment if HDMI display is not detected and composite is being outputted.
#hdmi_force_hotplug=1
# Uncomment to disable HDMI even if plugged, e.g. to force composite output.
hdmi_ignore_hotplug=1
# Uncomment to force a console size. By default it will be display's size minus overscan.
#framebuffer_width=1280
#framebuffer_height=720
# Uncomment to enable SDTV/composite output on RPi4. This has no effect on previous RPi models.
#enable_tvout=0
# SDTV mode
#sdtv_mode=0
# Uncomment to force a specific HDMI mode (this will force VGA).
#hdmi_group=1
#hdmi_mode=1
# Uncomment to force an HDMI mode rather than DVI. This can make audio work in DMT (computer monito
#hdmi_drive=2
# Set "hdmi_blanking=1" to allow the display going into standby after 10 minutes without input.
# With default value "0", the display shows a blank screen instead, but will not go into standby.
# NB: With "1" some applications (e.g. Kodi, OMXPlayer) cannot prevent display standby due to missi
hdmi_blanking=1
# Set to "1" if your display has a black border of unused pixels visible.
disable_overscan=1
# Uncomment the following to adjust overscan. Use positive numbers if console goes off screen, and
#overscan_left=16
#overscan_right=16
#overscan_top=16
#overscan_bottom=16
# Rotation
#display_hdmi_rotate=0
#lcd_rotate=0
#-------RPi camera module-------
#start_x=1
disable_camera_led=1
#-------GPU memory splits-------
gpu_mem_256=16
gpu_mem_512=16
gpu_mem_1024=16
#-------Boot splash screen------
disable_splash=1
#-------Onboard sound-----------
dtparam=audio=off
#-------I2C-------------
#dtparam=i2c_arm=off
#dtparam=i2c_arm_baudrate=100000
#-------SPI-------------
#dtparam=spi=off
#-------Serial/UART-----
# NB: Enabled for 1st run only. If you want to keep this setting, please set CONFIG_SERIAL_CONSOLE_
#core_freq=500
enable_uart=0
#-------Overclock-------
temp_limit=75
initial_turbo=20
#over_voltage=0
#arm_freq=1500
#core_freq=500
#over_voltage_min=0
arm_freq_min=300
#core_freq_min=250
#sdram_freq_min=400
arm_64bit=1
dtoverlay=dietpi-disable_vcsm
dtoverlay=disable-wifi
dtparam=sd_poll_once
#more_USB_Power
#max_usb_current=1
root@dietpi:~#
