Autor: Jakub Rusinowski · Ostatnia aktualizacja: 11 września 2026
Yes. Devstral-2 22B (Unverified Listing) needs 13.3 GB at Q4_K_M and the AMD Radeon RX 7800 XT has 16 GB, leaving about 2.7 GB of headroom, at roughly 26 tok/s (estimated) with room for up to 4K of context.
See what else this hardware can run →
| Model | Devstral-2 22B (Unverified Listing) |
| Parameters | 22B |
| Quantization | Q4_K_M |
| VRAM needed | 13.3 GB |
| AMD Radeon RX 7800 XT VRAM | 16 GB |
| Verdict | Runs |
| Max context | 4K |
| Estimated speed | ~26 tok/s |
| Quant | VRAM needed | Fits 16 GB? | Max context | Whole PC |
|---|---|---|---|---|
| F16 | 45.6 GB | ✗ No | — | — |
| Q8_0 | 25 GB | ✗ No | — | — |
| Q6_K | 19.6 GB | ✗ No | — | — |
| Q5_K_M | 17.2 GB | ✗ No | — | — |
| Q4_K_M | 14.9 GB | ✓ Yes | 8K | — |
| Q3_K_M | 11 GB | ✓ Yes | 16K | — |
| Q2_K | 8.8 GB | ✓ Yes | 32K | — |
Assumes a 4K-token context with an f16 KV cache, on an estimated architecture — this model publishes no config we can read. A longer window needs more; a quantized KV cache needs less. “Max context” is the largest window that still fits in 16 GB. Figures are estimates from parameter count, quantization and memory bandwidth — the analyzer lets you tune KV-cache quant and context.
Context costs VRAM too. At Q4_K_M on the AMD Radeon RX 7800 XT: 8K 15.7 GB · 32K 20.5 GB ✗ · 125K 39.2 GB ✗. Past 32K it no longer fits 16 GB — a q8_0 KV cache buys roughly half of that back, which the calculator will price for you.
Nothing to change — run it at Q4_K_M. If you want more capability, check whether the next size up also fits.
No compatible GPU? Devstral on 16 GB of system RAM, CPU only: runs, but it is tight.
Running Devstral-2 22B (Unverified Listing) on this card:
At 2 hrs/day, buying (~$499) beats renting at $0.34/hr after about 2.0 years.
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Cloud rates verified 2026-07 — estimates, and marketplace prices vary. Buying price is GPU MSRP only, not a full PC.
All Devstral sizes on the AMD Radeon RX 7800 XT | Devstral-2 22B (Unverified Listing) model page | AMD Radeon RX 7800 XT GPU page | Check your hardware