作者： Jakub Rusinowski · 最后更新： 2026年9月11日
Yes, but it's tight — Devstral Small 2505 24B at Q4_K_M needs 14.49 GB of the NVIDIA GeForce RTX 5080's 16 GB, leaving only ~1.5 GB, ~48 tok/s (est.) with room for up to 4K context.
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| VRAM | 16 GB |
| Memory Bandwidth | 960 GB/s |
| Quant | VRAM needed | Fits 16 GB? | Max context |
|---|---|---|---|
| F16 | 49.5 GB | ✗ No | — |
| Q8_0 | 27 GB | ✗ No | — |
| Q6_K | 21.2 GB | ✗ No | — |
| Q5_K_M | 18.5 GB | ✗ No | — |
| Q4_K_M | 16 GB | ✓ Yes | 4K |
| Q3_K_M | 11.7 GB | ✓ Yes | 16K |
| Q2_K | 9.4 GB | ✓ Yes | 32K |
VRAM needed assumes a 4K-token context with an f16 KV cache; “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.
| Devstral Small 2505 24B | Q4_K_M · 14.49 GB · ~48 tok/s (est.) |
| Devstral-2 22B (Unverified Listing) | Q4_K_M · 13.2825 GB · ~51 tok/s (est.) |
At 2 hrs/day, buying (~$999) beats renting at $0.34/hr after about 4.1 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.
Yes, but it's tight — Devstral Small 2505 24B at Q4_K_M needs 14.49 GB of the NVIDIA GeForce RTX 5080's 16 GB, leaving only ~1.5 GB, ~48 tok/s (est.) with room for up to 4K context.
Devstral Small 2505 24B at Q4_K_M quantization (14.49 GB), estimated ~48 tokens/sec, up to 4K context.
| Size | VRAM | Verdict | Speed |
|---|---|---|---|
| Devstral-2 123B | 74.3 GB | Does not fit | — |
| Devstral Small 2505 24B | 14.5 GB | Runs | ~48 tok/s |
| Devstral Small 2 24B | 14.5 GB | Runs at Q3_K_M | — |
| Devstral-2 22B (Unverified Listing) | 13.3 GB | Runs | ~51 tok/s |
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