Gemma 3 27B on Apple M4 Pro (24GB Unified)
Apple M4 Pro (24GB Unified) can run Gemma 3 27B at 8 tok/s at Q4_K_M, though performance is acceptable. Consider a higher-end GPU for better results.
Model Size
27.23B
Device VRAM
24 GB
Bandwidth
273 GB/s
Quantizations Tested
1
Performance by Quantization
Each row shows Gemma 3 27B performance at a different quality level on Apple M4 Pro (24GB Unified).
| Quantization | Speed | TTFT | Fits in VRAM | Rating | Confidence |
|---|---|---|---|---|---|
| Q4_K_M | 8 tok/s | 1200ms | ✓ Yes | Acceptable | estimated |
Notes
Q4_K_M
Q4_K_M fits with 7.7GB headroom. Low bandwidth (273 GB/s) is the bottleneck.
About Gemma 3 27B
Gemma 3 27B (27.23B) is a chat, coding, reasoning, multi-purpose model. Google's strongest open-weight model. Excellent reasoning and instruction following. At 27B parameters, it's the sweet spot between 8B models (too limited) and 70B models (too expensive). Strong multilingual support. Fits on 24GB GPUs at Q4.
View all Gemma 3 27B hardware options →About Apple M4 Pro (24GB Unified)
Apple M4 Pro (24GB Unified) has 24 GB at 273 GB/s. Available in MacBook Pro 14", MacBook Pro 16", Mac Mini.
See all models Apple M4 Pro (24GB Unified) can run →Source: MLX performance estimates (2026-03-15)
Data last updated: 2026-03-15