2 GPUs 1 Pi

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Can a Raspberry Pi match the performance of a modern desktop PC when it comes to GPU performance?

Of course not, in a general sense. But there are specific use cases where you'd be surprised by how close the Pi comes, performance-wise. In some cases, the Pi is actually faster!

Resources I mentioned in this video:

- AI Benchmark results and methodology: https://github.com/geerlingguy/ai-benchmarks
- Multi-GPU benchmark results: https://github.com/geerlingguy/ai-benchmarks/issues/44
- Use AMD GPUs on Pi: https://www.jeffgeerling.com/blog/2025/using-amd-gpus-on-raspberry-pi-without-recompiling-linux
- Use Nvidia GPUs on Pi: https://www.jeffgeerling.com/blog/2025/nvidia-graphics-cards-work-on-pi-5-and-rockchip
- Use Intel GPUs on Pi: https://www.jeffgeerling.com/blog/2025/all-intel-gpus-run-on-raspberry-pi-and-risc-v

eGPU Setup (some links are affiliate links):

- Minisforum DEG1 eGPU Dock: https://amzn.to/4s3gUz6
- Micro SATA Cables Oculink to M.2 adapter: https://amzn.to/49dKKcE
- Super Flower 850W PSU: https://www.microcenter.com/product/684393/super-flower-leadex-iii-gold-up-850-watt-80-plus-gold-atx-fully-modular-power-supply-atx-31-compatible
- AMD Radeon AI Pro R9700: https://www.microcenter.com/product/702853/xfx-amd-radeon-ai-pro-r9700-single-fan-32gb-gddr6-pcie-50-graphics-card

Dual GPU Setup (some links are affiliate links):

- chenyang PCIe 4.0 M.2 NGFF to SFF-8643: https://amzn.to/4pyqSqt
- 10Gtek SFF-8644 to SFF-8643 Cable: https://amzn.to/3MKNbup
- Dolphin PCIe HBA MXH932: https://dolphinics.com/products/MXH932.html
- Dolphin 3 slot PCIe Backplane: https://dolphinics.com/products/IBP-G4X16-3.html

HUGE thanks to Patrick from @ServeTheHomeVideo for helping me record at Micro Center in Phoenix :)

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2nd Channel: https://www.youtube.com/@GeerlingEngineering
3rd Channel: https://www.youtube.com/@Level2Jeff

Contents:

00:00 - Pi vs PC
00:53 - Enough for Jellyfin? Local LLMs?
01:50 - 4 GPUs 1 Pi
02:16 - Comparing costs and energy use
03:07 - Gaming on haitus (for now)
03:39 - The setups
04:56 - ffmpeg and Jellyfin media transcoding
07:31 - 3D rendering with GravityMark
08:39 - LLMs on AMD
09:36 - LLMs on Nvidia
12:27 - Drivers, Vulkan, and CUDA
13:06 - Dual GPU - Setup
15:24 - Sharing memory and PCIe ACS
16:28 - llama.cpp performance - mixed Nvidia GPUs
17:08 - 52GB of VRAM on AMD
17:28 - Intel PC dual Nvidia GPU comparison
17:56 - Who wins?