font displays differently on different monitors

Hi

iTerm2 3.3.7

Darwin MacBook-Pro 19.2.0 Darwin Kernel Version 19.2.0: Sat Nov 9 03:47:04 PST 2019; root:xnu-6153.61.1~20/RELEASE_X86_64 x86_64

com.googlecode.iterm2.plist

debuglog.txt

I have two monitors, one builtin and one external and I'm using this font Terminus__1_.ttf at 20pt.

I turn off antialiasing, and text is perfect on the external monitor:

iterm2_no_antialias_external_monitor

But on the laptop it is messed up - many of the lines are too thick, for example look at the A in PATH:

iterm2_no_antialias_laptop

Why is this? Is there anything I can change to make iTerm2 draw this font correctly on both monitors?

If I turn antialiasing on, then the font draws the same on both monitors, but I don't want that because it makes the font too heavy - it is intended to be used without antialiasing.

With Terminal.app without antialiasing - it shows the font correctly on the external monitor but seems to ignore the setting (!) and use antialiasing on the laptop monitor regardless. If I could do this with iTerm2 it would be better than having antialiasing on both monitors though!

Thanks

$ system_profiler SPDisplaysDataType
Graphics/Displays:

    Intel Iris Plus Graphics 655:

      Chipset Model: Intel Iris Plus Graphics 655
      Type: GPU
      Bus: Built-In
      VRAM (Dynamic, Max): 1536 MB
      Vendor: Intel
      Device ID: 0x3ea5
      Revision ID: 0x0001
      Metal: Supported, feature set macOS GPUFamily2 v1
      Displays:
        Color LCD:
          Display Type: Built-In Retina LCD
          Resolution: 2560 x 1600 Retina
          Framebuffer Depth: 30-Bit Color (ARGB2101010)
          Main Display: Yes
          Mirror: Off
          Online: Yes
          Automatically Adjust Brightness: No
          Connection Type: Internal
        LG FULL HD:
          Resolution: 1080 x 1920
          UI Looks like: 1080 x 1920 @ 60 Hz
          Framebuffer Depth: 30-Bit Color (ARGB2101010)
          Display Serial Number:
          Mirror: Off
          Online: Yes
          Rotation: 270
          Automatically Adjust Brightness: No
          Connection Type: DVI or HDMI
          Adapter Firmware Version: 7.55