ASUS B550-I + Ryzen 7 5800X

Identifier: AMD Ryzen 7 5800X on ASUS ROG Strix B550-I Form factor: mini-ITX desktop Status: active

A compact mini-ITX gaming/AI desktop. The 5800X is now an older Zen 3 part but pairs well with a current-gen GPU thanks to the B550-I’s PCIe 4.0 x16 slot.

Build & Cost

ComponentSpecCost (when bought)
MotherboardASUS ROG Strix B550-I$217.99 (2022)
CPUAMD Ryzen 7 5800X (8c/16t, Zen 3)$349.99 (2022)
RAM (original)Corsair Vengeance LPX 32 GB (2×16) DDR4-3600$129.99 (2022)
RAM upgradeCorsair Vengeance LPX 64 GB (2×32) DDR4-3600 → 96 GB or replacement$124.99 (2024)
GPUNVIDIA RTX 4070 Super 12 GB Founders Edition$699.00 (2024)
Total invested~$1,521.96
$/ACI~$2.71

Prices reflect what was paid at time of purchase, not current market.

Geekbench AI Runs

BackendComponentSingleHalfQuantResult
ONNX / DirectMLRTX 4070 Super25,49537,95019,60827972
ONNX / DirectMLRTX 4070 Super25,38737,65719,81071437
ONNX / DirectMLRTX 4070 Super25,41737,60119,73271433
ONNX / CPURyzen 7 5800X3,5828843,31327967
OpenVINO / CPURyzen 7 5800X4,9915,0197,59327985

AI Capability

  • Best Single: 25,495 (RTX 4070 Super)
  • Best Half: 37,950 (RTX 4070 Super)
  • Best Quantized: 19,810 (RTX 4070 Super)
  • ACI: 561.9Tier A

A reliable Zen 3 + 4070 Super pairing. The 4070 Super dominates every precision; the 5800X CPU is only useful as a fallback. With 12 GB VRAM this rig is comfortable up to 13B Q5 and 27B Q4 — see Gemma 4 VRAM Requirements.

See Also