Cohere on NVIDIA Blackwell
Can I run Command R 35B on an RTX 5080?
Not at Q4_K_M — it needs 31.0 GB against 14.2 GB available. You would need 3 of these cards.
Won't fit
31.0 GB of 14.2 GB · 217%032 GB
Weights
20.1 GB
KV cache
10.0 GB
Runtime overhead
0.9 GB
Over the limit
16.7 GB
Short by 16.7 GB. You can run it with 6 of 40 layers on the RTX 5080 and the rest in system RAM, at roughly 1.96 tok/s — usable for batch work, painful for chat. A smaller quantisation or a shorter context is usually the better trade.
Generation1.96tok/s
Prompt processing672tok/s
Max context0tokens
KV per 1K tokens0GB
Every quantisation of Command R 35B on a RTX 5080
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 | 65.2 GB | 76.0 GB | Won't fit | — | 0.63 |
| INT8 / W8A8 | 8.50 | 33.7 GB | 44.6 GB | Won't fit | — | 1.17 |
| Q8_0 (GGUF) | 8.50 | 33.7 GB | 44.6 GB | Won't fit | — | 1.17 |
| FP8 (E4M3) | 8.00 | 32.6 GB | 43.5 GB | Won't fit | — | 1.24 |
| Q6_K | 6.56 | 26.7 GB | 37.6 GB | Won't fit | — | 1.51 |
| Q5_K_M | 5.67 | 23.1 GB | 34.0 GB | Won't fit | — | 1.70 |
| AWQ 4-bit | 4.25 | 23.0 GB | 33.9 GB | Won't fit | — | 1.70 |
| GPTQ 4-bit | 4.25 | 23.0 GB | 33.9 GB | Won't fit | — | 1.70 |
| MXFP4 | 4.25 | 23.0 GB | 33.9 GB | Won't fit | — | 1.70 |
| Q5_K_S | 5.52 | 22.5 GB | 33.4 GB | Won't fit | — | 1.74 |
| Q4_K_M | 4.85 | 20.1 GB | 31.0 GB | Won't fit | — | 1.96 |
| Q4_K_S | 4.58 | 19.1 GB | 30.0 GB | Won't fit | — | 2.09 |
| Q4_0 | 4.55 | 19.0 GB | 29.9 GB | Won't fit | — | 2.10 |
| IQ4_XS | 4.25 | 17.9 GB | 28.8 GB | Won't fit | — | 2.20 |
| Q3_K_M | 3.91 | 16.7 GB | 27.6 GB | Won't fit | — | 2.39 |
| IQ3_M | 3.70 | 15.9 GB | 26.8 GB | Won't fit | — | 2.48 |
| IQ3_XXS | 3.06 | 13.7 GB | 24.5 GB | Won't fit | — | 2.86 |
| Q2_K | 2.63 | 12.1 GB | 23.0 GB | Won't fit | 896 | 3.31 |
| IQ2_XXS | 2.06 | 10.1 GB | 21.0 GB | Won't fit | 3K | 4.02 |
| IQ1_M | 1.75 | 9.0 GB | 19.8 GB | Won't fit | 4K | 4.48 |