作者： Jakub Rusinowski · 最后更新： 2026年4月5日
Yes, comfortably — you'll have ~3 GB of headroom running Devstral-2 22B at Q4_K_M (13 GB, ~52 tok/s (est.)).
在亚马逊查看价格 — NVIDIA GeForce RTX 4070 Ti Super 16GB
| VRAM | 16 GB |
| Memory Bandwidth | 672 GB/s |
| Quant | VRAM needed | Fits 16 GB? | Max context |
|---|---|---|---|
| F16 | 51.8 GB | ✗ No | — |
| Q8_0 | 31.2 GB | ✗ No | — |
| Q6_K | 25.9 GB | ✗ No | — |
| Q5_K_M | 23.4 GB | ✗ No | — |
| Q4_K_M | 21.1 GB | ✗ No | — |
| Q3_K_M | 17.2 GB | ✗ No | — |
| Q2_K | 15.1 GB | ✓ Yes | 4K |
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-2 22B | Q4_K_M · 13 GB · ~52 tok/s (est.) |
At 2 hrs/day, buying (~$799) beats renting at $0.34/hr after about 3.3 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, comfortably — you'll have ~3 GB of headroom running Devstral-2 22B at Q4_K_M (13 GB, ~52 tok/s (est.)).
Devstral-2 22B at Q4_K_M quantization (13 GB), estimated ~52 tokens/sec.
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