Can Gemma 3 27B run on MacBook Pro M4 Pro 64GB?
YES — Runs Great
Gemma 3 27B needs ~35.5 GB VRAM. MacBook Pro M4 Pro 64GB has 46.1 GB. With Q4_K_M quantization, expect ~17 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
16.8 tok/s
TTFT
11553 ms
Safe context
31K
Memory
35.5 GB / 46.1 GB
Memory breakdown
See how fast it feels
What limits this setup
This setup is broadly balanced for this model.
Shared-memory contention still exists
The OS, browser, and inference runtime all compete for the same physical memory pool, so real-world headroom is less forgiving than raw capacity suggests.
Best improvement path
Performance by workload
| Workload | Grade | Fit | Decode | TTFT | Context |
|---|---|---|---|---|---|
| Chat | A | Runs well | 16.8 tok/s | 6301 ms | 31K |
| Coding | A | Runs well | 16.8 tok/s | 11553 ms | 31K |
| Agentic Coding | A | Runs with offload (needs ~0.2 GB host RAM) | 16.2 tok/s | 17381 ms | 31K |
| Reasoning | A | Runs well | 16.8 tok/s | 13653 ms | 31K |
| RAG | A | Runs with offload (needs ~0.2 GB host RAM) | 16.2 tok/s | 21727 ms | 31K |
Quantization options
How Gemma 3 27B (27B params) fits at each quantization level on MacBook Pro M4 Pro 64GB (46.1 GB usable).
| Quant | Bits | VRAM | Quality | Fit |
|---|---|---|---|---|
Q2_K | 2 | 10.5 GB | Low | A76 |
Q3_K_S | 3 | 13.2 GB | Low | A77 |
NVFP4 | 4 | 15.1 GB | Medium | A77 |
Q4_K_M | 4 | 16.5 GB | Medium | A78 |
Q5_K_M | 5 | 19.4 GB | High | A79 |
Q6_K | 6 | 22.1 GB | High | A80 |
Q8_0Best for your GPU | 8 | 28.9 GB | Very High | A81 |
F16 | 16 | 55.4 GB | Maximum | F0 |
Get started
Copy-paste commands to run Gemma 3 27B on your machine.
Run
ollama run gemma3Your hardware
