The 2mm that doesn't fit looks like this.
https://www.amazon.com/icepc-DIY-Graphene-Heatsink-Performance-70x20x2mm/dp/B083FJTXNV
The 0.8mm that fits looks like this
https://www.amazon.com/Easycargo-Laptop-Heatsink-Thermal-Cooling/dp/B081ZRL9CY
The te...
I bought 2mm height heatsink with 1.5mm thermal paste for my G614JI (stryx G16 2023), the bottom cover won't close. Now I'm ordering 0.8mm height cooper heatsink, I'll post back if its fit.