# Command R 35B: RAM and VRAM requirements

> Command R 35B is a 35B Command R model. At Q4_K_M it needs about **22.3 GB** to run and fits **11 of 39** tracked devices. Minimum to run: Nvidia GeForce RTX 4090 (24GB).

Last validated: 2026-06-15. Sources: Ollama, HuggingFace GGUF repos, vendor specs.

## Memory by quantization
| Quant | On disk | To run (4k context) |
| --- | --- | --- |
| Q4_K_M | 20.05 GB | ~22.3 GB |
| Q8_0 | 34.63 GB | ~36.8 GB |

Memory = weights + KV cache + ~0.8 GB runtime overhead, and varies ±15% with context length.

## Will it run on my device?
- **Apple M1 (8GB)** (8 GB): No, not enough memory
- **Generic Android Phone (8GB RAM)** (8 GB): No, not enough memory
- **iPhone 17 Pro** (12 GB): No, not enough memory
- **Nvidia GeForce RTX 4080 (16GB)** (16 GB): No, not enough memory
- **Google Pixel 10 Pro** (16 GB): No, not enough memory
- **Nvidia GeForce RTX 4090 (24GB)** (24 GB): Yes, but tight
- **Apple M4 Pro (48GB)** (48 GB): Yes, it runs
- **Apple M3 Ultra (256GB)** (256 GB): Yes, it runs — room for FP16

Full table of all 39 devices: https://localmodel.run/model/command-r-35b

## How to run
Quickest path: `ollama run command-r:35b`. On Mac, LM Studio (ships MLX) is fastest; on Linux, Ollama for chat or vLLM to serve; on Windows, LM Studio or Ollama.

## Details
- Parameters: 35B
- Default context: 128k tokens
- License: CC-BY-NC-4.0 (commercial use: no)
- Released: 2024-03
- HuggingFace: 18,146 downloads/mo, 1111 likes

## FAQ
### How much VRAM or RAM does Command R 35B need?
About 22.3 GB at Q4_K_M (weights 20.05 GB + KV cache + overhead) at a 4k context. Budget ~36.8 GB for Q8_0.
### Can Command R 35B run on a laptop?
Command R 35B is large; you need a high-memory Mac or a 24 GB+ GPU at Q4_K_M.
### Can I use Command R 35B commercially?
No: CC BY-NC 4.0: non-commercial use only..

Sources: https://ollama.com/library/command-r, https://ollama.com/library/command-r/tags, https://huggingface.co/bartowski/c4ai-command-r-v01-GGUF, https://huggingface.co/CohereForAI/c4ai-command-r-v01
More: https://localmodel.run/model/command-r-35b