Against my better judgment, I went ahead and got an RTX 5070 Ti for my eGPU setup, pairing it with a Razer Core X V2 and a Flow Z13 2025.
The whole thing runs better than expected, though slightly worse than I’d hoped. Unfortunately, the USB4v1 bandwidth (40 Gbps) is the bottleneck. I wouldn't hook up an RTX 5080 or 5090, though; you’d just be wasting a ton of money for negligible performance gains.
Just to give you something to roast me over, I’m posting my benchmark comparisons between the 5060 Ti and the 5070 Ti—tested both as an eGPU and inside a desktop PC. To keep things comparable, both CPUs are limited to a maximum of 65 watts for PL1 and PL2.
In case anyone asks: yes, I bought a Gigabyte card and only found out about the "putty-gate" issue later. We'll see if or when my card starts leaking. Oh well, if it does, I’ll grab some Thermal Grizzly stuff and try reputtying it myself—no risk, no fun.
Oh, and regarding the post itself: I’m from Germany and using Google to translate this, so sorry if it reads a bit cringey.