Can CogVLM2 19B run on Radeon Pro W6800 32GB?
YES — Runs Great
CogVLM2 19B needs ~18.1 GB VRAM. Radeon Pro W6800 32GB has 32.0 GB. With Q4_K_M quantization, expect ~27 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
26.6 tok/s
TTFT
7280 ms
Safe context
8K
Memory
18.1 GB / 32.0 GB
Memory breakdown
See how fast it feels
What limits this setup
This setup is broadly balanced for this model.
No major red flags
This recommendation has enough memory headroom and acceptable estimated speed for the selected workload.
Best improvement path
Performance by workload
| Workload | Grade | Fit | Decode | TTFT | Context |
|---|---|---|---|---|---|
| Chat | A | Runs well | 26.6 tok/s | 3971 ms | 8K |
| Coding | A | Runs well | 26.6 tok/s | 7280 ms | 8K |
| Agentic Coding | A | Runs well | 26.6 tok/s | 10589 ms | 8K |
| Reasoning | A | Runs well | 26.6 tok/s | 8603 ms | 8K |
| RAG | A | Runs well | 26.6 tok/s | 13236 ms | 8K |
Quantization options
How CogVLM2 19B (19B params) fits at each quantization level on Radeon Pro W6800 32GB (32.0 GB usable).
| Quant | Bits | VRAM | Quality | Fit |
|---|---|---|---|---|
Q2_K | 2 | 7.4 GB | Low | A78 |
Q3_K_S | 3 | 9.3 GB | Low | A79 |
NVFP4 | 4 | 10.6 GB | Medium | A79 |
Q4_K_M | 4 | 11.6 GB | Medium | A80 |
Q5_K_M | 5 | 13.7 GB | High | A81 |
Q6_K | 6 | 15.6 GB | High | A82 |
Q8_0Best for your GPU | 8 | 20.3 GB | Very High | A82 |
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
