Mistral on NVIDIA Ampere
Can I run Mixtral 8x7B on an RTX 3080 10GB?
Not at Q4_K_M — it needs 28.2 GB against 8.6 GB available. You would need 4 of these cards.
Won't fit
28.2 GB of 8.6 GB · 328%029 GB
Weights
26.4 GB
KV cache
1.0 GB
Runtime overhead
0.8 GB
Over the limit
19.6 GB
Short by 19.6 GB. You can run it with 8 of 32 layers on the RTX 3080 10GB and the rest in system RAM, at roughly 6.59 tok/s — usable for batch work, painful for chat. A smaller quantisation or a shorter context is usually the better trade.
Generation6.59tok/s
Prompt processing977tok/s
Max context0tokens
KV per 1K tokens0GB
Every quantisation of Mixtral 8x7B on a RTX 3080 10GB
Highlighted row is the highest quality that still fits at 8K context.
| Quantisation | bpw | Weights | Total | Verdict | Max ctx | tok/s |
|---|---|---|---|---|---|---|
| FP16 / BF16 | 16.00 | 87.0 GB | 88.8 GB | Won't fit | — | 1.72 |
| INT8 / W8A8 | 8.50 | 46.2 GB | 48.0 GB | Won't fit | — | 3.39 |
| Q8_0 (GGUF) | 8.50 | 46.2 GB | 48.0 GB | Won't fit | — | 3.39 |
| FP8 (E4M3) | 8.00 | 43.5 GB | 45.3 GB | Won't fit | — | 3.59 |
| Q6_K | 6.56 | 35.7 GB | 37.5 GB | Won't fit | — | 4.63 |
| Q5_K_M | 5.67 | 30.8 GB | 32.6 GB | Won't fit | — | 5.50 |
| Q5_K_S | 5.52 | 30.0 GB | 31.8 GB | Won't fit | — | 5.64 |
| Q4_K_M | 4.85 | 26.4 GB | 28.2 GB | Won't fit | — | 6.59 |
| Q4_K_S | 4.58 | 24.9 GB | 26.7 GB | Won't fit | — | 6.95 |
| Q4_0 | 4.55 | 24.8 GB | 26.6 GB | Won't fit | — | 6.99 |
| AWQ 4-bit | 4.25 | 23.5 GB | 25.3 GB | Won't fit | — | 7.63 |
| GPTQ 4-bit | 4.25 | 23.5 GB | 25.3 GB | Won't fit | — | 7.63 |
| MXFP4 | 4.25 | 23.5 GB | 25.3 GB | Won't fit | — | 7.63 |
| IQ4_XS | 4.25 | 23.1 GB | 25.0 GB | Won't fit | — | 7.73 |
| Q3_K_M | 3.91 | 21.3 GB | 23.1 GB | Won't fit | — | 8.66 |
| IQ3_M | 3.70 | 20.2 GB | 22.0 GB | Won't fit | — | 9.11 |
| IQ3_XXS | 3.06 | 16.7 GB | 18.5 GB | Won't fit | — | 11.7 |
| Q2_K | 2.63 | 14.4 GB | 16.2 GB | Won't fit | — | 15.3 |
| IQ2_XXS | 2.06 | 11.3 GB | 13.1 GB | Won't fit | — | 23.4 |
| IQ1_M | 1.75 | 9.6 GB | 11.4 GB | Won't fit | — | 32.6 |