Can I Run Devstral-2 123B on NVIDIA GeForce RTX 5090?

Name: LLM Configurator — GPU VRAM Checker
Author: LLM Configurator

Written by Jakub Rusinowski · Last updated August 15, 2026

No. Devstral-2 123B needs 74.3 GB at Q4_K_M and the NVIDIA GeForce RTX 5090 has only 32 GB. No quantization we publish closes a gap that size.

The numbers

Model	Devstral-2 123B
Parameters	123B
Quantization	Q4_K_M
VRAM needed	74.3 GB
NVIDIA GeForce RTX 5090 VRAM	32 GB
Verdict	Does not fit

What to do next

Either step down to a smaller size in this family, or move to a NVIDIA A100 80GB (80 GB), the cheapest card we track with enough VRAM.

Affiliate disclosure: Some links on this page are affiliate links — if you buy through them, LLM Configurator may earn a commission at no extra cost to you. As an Amazon Associate, LLM Configurator earns from qualifying purchases.

Cheapest card we track with enough VRAM for Devstral-2 123B:

NVIDIA A100 80GB PCIe

80 GB VRAM · 300 W board power

2026 prices are volatile — check the current listing.

Check price on Amazon

Won't fit — rent Devstral-2 123B instead

Devstral-2 123B needs ~74 GB but this GPU has 32 GB. Rent a A100 (80 GB)-class GPU by the hour instead of buying one:

Affiliate links — we may earn a commission if you sign up, at no extra cost to you.

Vast.ai $0.77/hr · typical low · varies

Rent on Vast.ai →

RunPod $1.39/hr

Rent on RunPod →

Cloud rates verified 2026-07 — estimates, and marketplace prices vary. Buying price is GPU MSRP only, not a full PC.

Other Devstral sizes on the NVIDIA GeForce RTX 5090

Devstral Small 24B — runs (14.5 GB)
Devstral-2 22B — runs (13.3 GB)

Devstral-2 123B on nearby hardware

Apple M2 (24 GB) — does not fit
Apple M3 Pro (36 GB) — does not fit

All Devstral sizes on the NVIDIA GeForce RTX 5090 | VRAM calculator for Devstral-2 123B | NVIDIA GeForce RTX 5090 GPU page | Check your hardware