MacBook Pro M4 Max 16" (48GB, 1TB)
Maximum for laptops. Mobile workstation, 70B tight, 30B comfortable.
- RAM
- 48 GB
- Bandwidth
- 546 GB/s
- Comfortable model range
- 32B
Maximum for laptops. Mobile workstation, 70B tight, 30B comfortable.
Local AI fit
Comfortable up to 32B. 70B fits only with aggressive quantization and short context; 120B exceeds this memory tier.
70B is a capacity edge, not a blanket promise: it generally requires strong weight quantization, a short context, and little parallel load. KV-cache precision and the model architecture can materially change the result.
48GB explained Why unified memory is more than model weights Understand quantization, KV cache, macOS headroom, and the difference between “fits” and “runs well.” Open RAM guidePurchase status
Available new. Check the exact configuration and current price with the seller.
At a glance
What works well
What to consider
Data verified
Product data and links last checked on 2026-07-29. Prices and availability can change at any time.
Compare before buying
M4-Pro48 GB Unified Memory12-Core CPU16-Core GPU
Sweet spot for local LLMs. 48 GB is comfortable for 30B in 4-bit, 70B is tight.
Last checked: 2026-06-03
M4-Max36 GB Unified Memory14-Core CPU32-Core GPU
Mobile workstation class. 27B–32B is realistic at 4-bit; longer context reduces headroom.
Last checked: 2026-06-03
M5-Pro64 GB Unified Memory
M5 Pro with 64GB unified memory and 307GB/s memory bandwidth; currently available new.
Last checked: 2026-07-28
M2-Max32 GB Unified Memory12-Core CPU38-Core GPU Previous generation
Previous generation for daily 20B–24B use; 27B–32B gets tight as context grows.
Last checked: 2026-06-03