Specs at the moment: Intel T14 gen 1 i5 10210u 16 GB ram Stock 256GB SSD GPU: Radeon RX 56 Enclosure: Razer Core X Chroma
I use this setup to play around with all sorts of GPUs. Anything with a PCIe interface and windows 10 drivers and I'll try to run it. I don't do any serious work on this machine for the most part.
On this machine the CPU is actually a far more limiting factor than I'd expect. Thunderbolt has quite a big performance penalty to the CPU still, even after 10th gen did something to improve it. I need to redo my benchmarking but on my work laptop (11950h) I remember my CPU score dropping from ~8k to 6.5k or something like that in 3D mark.
Pair that with a fairly weak (for gaming) ULV CPU and this machine struggles with anything remotely modern. Even older games like WoW from over 10 years ago I'm running into 100% CPU usage on two of my cores and the game chugs at higher settings. Things like DXVK help, but they only go so far when you just need more CPU.
On my work laptops i9 the thunderbolt stuttering is actually perceivable over the general lack of CPU power. IMO a good gaming laptop is a far better option these days than an eGPU setup. Maybe oculink will save us.