CogVLM2 19B needs ~17.3 GB VRAM. RTX A5000 24GB has 24.0 GB. With Q4_K_M quantization, expect ~50 tok/s.
Operating mode
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
49.9 tok/s
TTFT
3883 ms
Safe context
8K
Memory
17.3 GB / 24.0 GB
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.
| Workload | Grade | Fit | Decode | TTFT | Context |
|---|---|---|---|---|---|
| Chat | S | Runs well | 49.9 tok/s | 2118 ms | 8K |
| Coding | S | Runs well | 49.9 tok/s | 3883 ms | 8K |
| Agentic Coding | S | Tight fit | 49.9 tok/s | 5647 ms | 8K |
| Reasoning | S | Runs well | 49.9 tok/s | 4589 ms | 8K |
| RAG | S | Tight fit | 49.9 tok/s | 7059 ms | 8K |
How CogVLM2 19B (19B params) fits at each quantization level on RTX A5000 24GB (24.0 GB usable).
| Quant | Bits | VRAM | Quality | Fit |
|---|---|---|---|---|
Q2_K | 2 | 7.4 GB | Low | A80 |
Q3_K_S | 3 | 9.3 GB | Low | A82 |
NVFP4 | 4 | 10.6 GB | Medium | A82 |
Q4_K_M | 4 | 11.6 GB | Medium | A83 |
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 |
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
| Model | Params | Grade | Decode | Capabilities |
|---|---|---|---|---|
| 30.5B | S | 81.3 tok/s | ||
| 27B | S | 35.3 tok/s | ||
| 27B | S | 26.8 tok/s | ||
| 35B | A | 35 tok/s | ||
| 30B | S | 84.1 tok/s |
Yes, RTX A5000 24GB can run CogVLM2 19B with a S grade (Runs well). Expected decode speed: 49.9 tok/s.
CogVLM2 19B (19B parameters) requires approximately 17.3 GB of memory with Q4_K_M quantization.
The recommended quantization for CogVLM2 19B is Q4_K_M, which balances quality and memory efficiency.
On RTX A5000 24GB, CogVLM2 19B achieves approximately 49.9 tokens per second decode speed with a time-to-first-token of 3883ms using Q4_K_M quantization.
For coding workloads, CogVLM2 19B on RTX A5000 24GB receives a S grade with 49.9 tok/s and 8K context.
On RTX A5000 24GB, CogVLM2 19B can safely use up to 8K tokens of context. The model's official context limit is 8K, but available memory constrains the safe maximum.
Paste this snippet into any page to show a live fit card.
<iframe src="https://willitrunai.com/embed/cogvlm2-19b-on-a5000-24gb" width="400" height="180" frameborder="0" style="border:none;border-radius:12px;overflow:hidden;" title="Will It Run AI — fit result"></iframe>
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