Can CogVLM2 19B run on Mac mini M4 32GB?
YES — Runs Great
CogVLM2 19B needs ~18.4 GB VRAM. Mac mini M4 32GB has 23.0 GB. With Q4_K_M quantization, expect ~10 tok/s.
Operating mode
Choose the run profile you care about
Interactive favors responsiveness, while light API and scale-out lean harder on serving readiness. The fit stays the same, but the recommendation lens changes.
Current mode
Balanced
Balanced for general local use. Keeps the ranking neutral across personal and serving workflows.
Select quantization to explore
Fit status
Runs well
Decode
10.0 tok/s
TTFT
19327 ms
Safe context
8K
Memory
18.4 GB / 23.0 GB
Memory breakdown
See how fast it feels
What limits this setup
This setup is broadly balanced for this model.
Shared-memory contention still exists
The OS, browser, and inference runtime all compete for the same physical memory pool, so real-world headroom is less forgiving than raw capacity suggests.
Best improvement path
Performance by workload
| Workload | Grade | Fit | Decode | TTFT | Context |
|---|---|---|---|---|---|
| Chat | A | Runs well | 10.0 tok/s | 10542 ms | 8K |
| Coding | A | Runs well | 10.0 tok/s | 19327 ms | 8K |
| Agentic Coding | A | Tight fit | 10.0 tok/s | 28111 ms | 8K |
| Reasoning | A | Runs well | 10.0 tok/s | 22841 ms | 8K |
| RAG | A | Tight fit | 10.0 tok/s | 35139 ms | 8K |
Quantization options
How CogVLM2 19B (19B params) fits at each quantization level on Mac mini M4 32GB (23.0 GB usable).
| Quant | Bits | VRAM | Quality | Fit |
|---|---|---|---|---|
Q2_K | 2 | 7.4 GB | Low | A81 |
Q3_K_S | 3 | 9.3 GB | Low | A82 |
NVFP4 | 4 | 10.6 GB | Medium | A83 |
Q4_K_M | 4 | 11.6 GB | Medium | A84 |
Q5_K_M | 5 | 13.7 GB | High | A83 |
Q6_KBest for your GPU | 6 | 15.6 GB | High | A83 |
Q8_0 | 8 | 20.3 GB | Very High | F0 |
F16 | 16 | 38.9 GB | Maximum | F0 |
Get started
Copy-paste commands to run CogVLM2 19B on your machine.
Run
docker run --rm -it ghcr.io/ggerganov/llama.cpp:full \
--hf-repo "THUDM/cogvlm2-llama3-chat-19B" \
--hf-file "cogvlm2-llama3-chat-19B-Q4_K_M.gguf" \
-c 4096 -ngl 99Your hardware
