Can I Run Devstral on AMD Radeon RX 9060 XT 16GB?
Written by Jakub Rusinowski · Last updated September 11, 2026
Only with offload — Devstral Small 2505 24B at Q4_K_M needs 16.6 GB at 8K context (14.5 GB weights + 2.1 GB KV cache/overhead) against the AMD Radeon RX 9060 XT 16GB's 16 GB, so part of it spills onto CPU/system RAM and speed drops sharply.
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AMD Radeon RX 9060 XT 16GB Specs
| VRAM | 16 GB |
| Memory Bandwidth | 320 GB/s |
Devstral Small 2505 24B on the AMD Radeon RX 9060 XT 16GB: VRAM by quantization
| Quant | VRAM needed | Fits 16 GB? | Max context | Whole PC |
|---|---|---|---|---|
| F16 | 50.1 GB | ✗ No | — | — |
| Q8_0 | 27.6 GB | ✗ No | — | — |
| Q6_K | 21.8 GB | ✗ No | — | — |
| Q5_K_M | 19.2 GB | ✗ No | — | — |
| Q4_K_M | 16.6 GB | ✗ No | — | — |
| Q3_K_M | 12.4 GB | ✓ Yes | 16K | — |
| Q2_K | 10 GB | ✓ Yes | 32K | — |
Assumes an 8K-token context with an f16 KV cache. 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 9060 XT 16GB: 8K 16.6 GB ✗ · 32K 20.7 GB ✗ · 128K 36.8 GB ✗. Past 8K it no longer fits 16 GB — a q8_0 KV cache buys roughly half of that back, which the calculator will price for you.
No compatible GPU? Devstral Small 2505 24B on 16 GB of system RAM, CPU only: runs, but it is tight.
Why It Does Not Fit
Every Devstral variant requires more VRAM than the AMD Radeon RX 9060 XT 16GB provides (16 GB).
Nearest GPU That Fits
AMD Radeon RX 7900 XT (20 GB VRAM).
Devstral needs ~17 GB but this GPU has 16 GB. Rent a RTX 4090 (24 GB)-class GPU by the hour instead of buying one:
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FAQ
Will Devstral run on the AMD Radeon RX 9060 XT 16GB?
Only with offload — Devstral Small 2505 24B at Q4_K_M needs 16.6 GB at 8K context (14.5 GB weights + 2.1 GB KV cache/overhead) against the AMD Radeon RX 9060 XT 16GB's 16 GB, so part of it spills onto CPU/system RAM and speed drops sharply.
What GPU should I get instead to run Devstral?
The AMD Radeon RX 7900 XT (20 GB VRAM) is the cheapest upgrade that fits it.
Every Devstral size on the AMD Radeon RX 9060 XT 16GB
| Size | VRAM at 8K | Verdict | Speed |
|---|---|---|---|
| Devstral-2 123B | 77.9 GB | Does not fit | — |
| Devstral Small 2505 24B | 16.6 GB | Runs at Q3_K_M | — |
| Devstral Small 2 24B | 16.6 GB | Runs at Q3_K_M | — |
Devstral on Other GPUs
- Devstral on NVIDIA GeForce RTX 5080
- Devstral on NVIDIA GeForce RTX 5070 Ti
- Devstral on NVIDIA GeForce RTX 5060 Ti 16GB
- Devstral on NVIDIA GeForce RTX 4080 Super
- Devstral on NVIDIA GeForce RTX 4080
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VRAM Tier
Troubleshooting
- Ollama: "model requires more system memory than is available"
- Out of memory at long context (the KV cache, not the weights)
Buying Guide
← Can I Run It? | Devstral Model Page | AMD Radeon RX 9060 XT 16GB GPU Page | VRAM calculator | Check Your Hardware