Phi-4-reasoning-plus 14B needs ~15.6 GB VRAM. Tesla P40 24GB has 24.0 GB. With Q4_K_M quantization, expect ~25 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
24.5 tok/s
TTFT
7911 ms
Safe context
33K
Memory
15.6 GB / 24.0 GB
This setup is broadly balanced for this model.
Older PCIe generation
PCIe 3.0 is workable, but it compounds the penalty when you offload heavily or try to scale across multiple cards.
| Workload | Grade | Fit | Decode | TTFT | Context |
|---|---|---|---|---|---|
| Chat | S | Runs well | 24.5 tok/s | 4315 ms | 33K |
| Coding | S | Runs well | 24.5 tok/s | 7911 ms | 33K |
| Agentic Coding | S | Runs well | 24.5 tok/s | 11506 ms | 33K |
| Reasoning | S | Runs well | 24.5 tok/s | 9349 ms | 33K |
| RAG | S | Runs well | 24.5 tok/s | 14383 ms | 33K |
How Phi-4-reasoning-plus 14B (14.699999809265137B params) fits at each quantization level on Tesla P40 24GB (24.0 GB usable).
| Quant | Bits | VRAM | Quality | Fit |
|---|---|---|---|---|
Q2_K | 2 | 5.7 GB | Low | S86 |
Q3_K_S | 3 | 7.2 GB | Low | S86 |
NVFP4 | 4 |
Copy-paste commands to run Phi-4-reasoning-plus 14B on your machine.
Run
ollama run phi4-reasoningYour hardware
| Model | Params | Grade | Decode | Capabilities |
|---|---|---|---|---|
| 30.5B | S | 30.9 tok/s | ||
| 27B | S | 13.4 tok/s |
Yes, Tesla P40 24GB can run Phi-4-reasoning-plus 14B with a S grade (Runs well). Expected decode speed: 24.5 tok/s.
Phi-4-reasoning-plus 14B (14.699999809265137B parameters) requires approximately 15.6 GB of memory with Q4_K_M quantization.
The recommended quantization for Phi-4-reasoning-plus 14B is Q4_K_M, which balances quality and memory efficiency.
On Tesla P40 24GB, Phi-4-reasoning-plus 14B achieves approximately 24.5 tokens per second decode speed with a time-to-first-token of 7911ms using Q4_K_M quantization.
For coding workloads, Phi-4-reasoning-plus 14B on Tesla P40 24GB receives a S grade with 24.5 tok/s and 33K context.
On Tesla P40 24GB, Phi-4-reasoning-plus 14B can safely use up to 33K tokens of context. The model's official context limit is 33K, 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/phi-4-reasoning-plus-14b-on-tesla-p40-24gb" width="400" height="180" frameborder="0" style="border:none;border-radius:12px;overflow:hidden;" title="Will It Run AI — fit result"></iframe>
Preview:
8.2 GB |
| Medium |
| S87 |
Q4_K_M | 4 | 9.0 GB | Medium | S88 |
Q5_K_M | 5 | 10.6 GB | High | S89 |
Q6_K | 6 | 12.1 GB | High | S90 |
Q8_0Best for your GPU | 8 | 15.7 GB | Very High | S90 |
F16 | 16 | 30.1 GB | Maximum | F0 |
| 27B | S | 13.4 tok/s |
| 30B | S | 31.9 tok/s |
| 35B | A | 16.7 tok/s |