Gemma 3 4B on Apple M3 Pro (18GB Unified)
Apple M3 Pro (18GB Unified) can run Gemma 3 4B at 22 tok/s at Q4_K_M, though performance is acceptable. Consider a higher-end GPU for better results.
Model Size
4.3B
Device VRAM
18 GB
Bandwidth
150 GB/s
Quantizations Tested
1
Performance by Quantization
Each row shows Gemma 3 4B performance at a different quality level on Apple M3 Pro (18GB Unified).
| Quantization | Speed | TTFT | Fits in VRAM | Rating | Confidence |
|---|---|---|---|---|---|
| Q4_K_M | 22 tok/s | 320ms | ✓ Yes | Acceptable | estimated |
Notes
Q4_K_M
Compact model. Good for resource-constrained coding.
About Gemma 3 4B
Gemma 3 4B (4.3B) is a chat, coding model. Compact Gemma 3 model for chat and light coding on low-VRAM hardware.
View all Gemma 3 4B hardware options →About Apple M3 Pro (18GB Unified)
Apple M3 Pro (18GB Unified) has 18 GB at 150 GB/s. Available in MacBook Pro 14", MacBook Pro 16".
See all models Apple M3 Pro (18GB Unified) can run →Source: MLX performance estimates (2026-03-15)
Data last updated: 2026-03-15