Yes, it is possible. But can it play DOOM? Yes, it can, at 4K and on Ultra. Check out more details about how this was achived in my blog post: - https://www.jeffgeerling.com/blog/2024/use-external-gpu-on-raspberry-pi-5-4k-gaming Here are the parts I used in my setup (some links are affiliate links): - Pineboards HATs: https://pineboards.io - Lian-Li SP 750 SFX PSU: https://amzn.to/4eIzzsu - JMT M.2 to Oculink PCIe Dock: https://amzn.to/3BBQkHG - SFF-8611 OCuLink PCIe Gen 4 Cable: https://amzn.to/4eQtxGm - AMD Radeon RX 460: https://amzn.to/3Ub7ked (cheaper on eBay though) Support me on Patreon: https://www.patreon.com/geerlingguy Sponsor me on GitHub: https://github.com/sponsors/geerlingguy Merch: https://www.redshirtjeff.com 2nd Channel: https://www.youtube.com/@GeerlingEngineering 3rd Channel: https://www.youtube.com/@Level2Jeff Contents: 00:00 - 4K Gaming and more 01:06 - Hardware 02:47 - Why AMD Polaris generation? 03:59 - Time to Recompile Linux 04:59 - The fun part: Games! 06:06 - Other GPU benchmarks 06:38 - Hardware accelerated transcoding 07:27 - Why do this?