Adds memory headroom for longer context windows and future model growth.
~$1,099 MSRP
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VOOZH | about |
DeepSeek R1 1.5B needs ~4.9 GB VRAM. RTX A5000 24GB has 24.0 GB. With Q4_K_M quantization, expect ~21 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
21.0 tok/s
TTFT
9219 ms
Safe context
33K
Memory
4.9 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 | C | Runs well | 21.0 tok/s | 5029 ms | 33K |
| Coding | C | Runs well | 21.0 tok/s | 9219 ms | 33K |
| Agentic Coding | C | Runs well | 21.0 tok/s | 13410 ms | 33K |
| Reasoning | C | Runs well | 21.0 tok/s | 10895 ms | 33K |
| RAG | C | Runs well | 21.0 tok/s | 16762 ms | 33K |
How DeepSeek R1 1.5B (1.5B params) fits at each quantization level on RTX A5000 24GB (24.0 GB usable).
| Quant | Bits | VRAM | Quality | Fit |
|---|---|---|---|---|
Q2_K | 2 | 0.6 GB | Low | C54 |
Q3_K_S | 3 | 0.7 GB | Low | C54 |
NVFP4 | 4 |
Copy-paste commands to run DeepSeek R1 1.5B on your machine.
Run
ollama run deepseek-r1:1.5bUpgrade options
Adds memory headroom for longer context windows and future model growth.
~$1,099 MSRP
Adds memory headroom for longer context windows and future model growth.
~$1,599 MSRP
0.8 GB |
| Medium |
| C54 |
Q4_K_M | 4 | 0.9 GB | Medium | C54 |
Q5_K_M | 5 | 1.1 GB | High | C54 |
Q6_K | 6 | 1.2 GB | High | C54 |
Q8_0 | 8 | 1.6 GB | Very High | C55 |
F16Best for your GPU | 16 | 3.1 GB | Maximum | B55 |