Phi 3 Medium 14B needs ~18.9 GB VRAM. AMD Instinct MI210 64GB has 64.0 GB. With Q4_K_M quantization, expect ~140 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
140.2 tok/s
TTFT
1381 ms
Safe context
128K
Memory
18.9 GB / 64.0 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 | B | Runs well | 140.2 tok/s | 753 ms | 128K |
| Coding | B | Runs well | 140.2 tok/s | 1381 ms | 128K |
| Agentic Coding | B | Runs well | 140.2 tok/s | 2008 ms | 128K |
| Reasoning | B | Runs well | 140.2 tok/s | 1632 ms | 128K |
| RAG | B | Runs well | 140.2 tok/s | 2511 ms | 128K |
How Phi 3 Medium 14B (14B params) fits at each quantization level on AMD Instinct MI210 64GB (64.0 GB usable).
| Quant | Bits | VRAM | Quality | Fit |
|---|---|---|---|---|
Q2_K | 2 | 5.5 GB | Low | C52 |
Q3_K_S | 3 | 6.9 GB | Low | C52 |
NVFP4 | 4 | 7.8 GB | Medium | C52 |
Q4_K_M | 4 | 8.5 GB | Medium | C52 |
Q5_K_M | 5 | 10.1 GB | High | C52 |
Q6_K | 6 | 11.5 GB | High | C52 |
Q8_0 | 8 | 15.0 GB | Very High | C53 |
F16Best for your GPU | 16 | 28.7 GB | Maximum | B56 |
Copy-paste commands to run Phi 3 Medium 14B on your machine.
Run
ollama run phi3:mediumYes, AMD Instinct MI210 64GB can run Phi 3 Medium 14B with a B grade (Runs well). Expected decode speed: 140.2 tok/s.
Phi 3 Medium 14B (14B parameters) requires approximately 18.9 GB of memory with Q4_K_M quantization.
The recommended quantization for Phi 3 Medium 14B is Q4_K_M, which balances quality and memory efficiency.
On AMD Instinct MI210 64GB, Phi 3 Medium 14B achieves approximately 140.2 tokens per second decode speed with a time-to-first-token of 1381ms using Q4_K_M quantization.
For coding workloads, Phi 3 Medium 14B on AMD Instinct MI210 64GB receives a B grade with 140.2 tok/s and 128K context.
On AMD Instinct MI210 64GB, Phi 3 Medium 14B can safely use up to 128K tokens of context. The model's official context limit is 128K, 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-3-medium-14b-on-instinct-mi210-64gb" 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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