To figure that out, I took RTX 4090 and RTX 2060 and connected them directly to my PC with EXP GDC OcuLink eGPU dock. In case you wanna get the same eGPU: EXP GDC OcuLink eGPU - * This is an affiliate link, which means that if you buy items from this link, I get a percentage of that. Thanks :) TIMESTAMPS: 00:00 Intro 00:23 EXP GDC OcuLink eGPU dock 02:00 Oculink bandwidth 02:15 RTX 4090 in 4k 04:42 RTX 2060 in 1440p 05:28 Performance loss comparison 05:58 Сonclusions _