Written by Jakub Rusinowski · Last updated July 12, 2026
Yes, but it's tight — Mistral Small 3.1 24B at Q4_K_M needs 14.2 GB of the NVIDIA GeForce RTX 5080's 16 GB, leaving only ~1.8 GB, ~49 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 | Whole PC |
|---|---|---|---|---|
| F16 | 48.7 GB | ✗ No | — | — |
| Q8_0 | 26.5 GB | ✗ No | — | Build for this |
| Q6_K | 20.8 GB | ✗ No | — | — |
| Q5_K_M | 18.2 GB | ✗ No | — | — |
| Q4_K_M | 15.7 GB | ✓ Yes | 4K | Build for this |
| Q3_K_M | 11.5 GB | ✓ Yes | 16K | — |
| Q2_K | 9.2 GB | ✓ Yes | 32K | — |
Assumes a 4K-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 NVIDIA GeForce RTX 5080: 8K 16.4 GB ✗ · 32K 20.4 GB ✗ · 125K 36 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? Mistral Small 3.1 24B on 16 GB of system RAM, CPU only: runs, but it is tight.
| Mistral Small 3.1 24B | Q4_K_M · 14.2 GB · ~49 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 — Mistral Small 3.1 24B at Q4_K_M needs 14.2 GB of the NVIDIA GeForce RTX 5080's 16 GB, leaving only ~1.8 GB, ~49 tok/s (est.) with room for up to 4K context.
Mistral Small 3.1 24B at Q4_K_M quantization (14.2 GB), estimated ~49 tokens/sec, up to 4K context.
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