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Llama 3.3 70B Instruct on Apple M4 Max (64GB Unified)

Apple M4 Max (64GB Unified) can run Llama 3.3 70B Instruct at 7 tok/s at Q3_K_M, though performance is acceptable. Consider a higher-end GPU for better results.

Model Size

70.6B

Device VRAM

64 GB

Bandwidth

546 GB/s

Quantizations Tested

1

Performance by Quantization

Each row shows Llama 3.3 70B Instruct performance at a different quality level on Apple M4 Max (64GB Unified).

QuantizationSpeedTTFTFits in VRAMRatingConfidence
Q3_K_M7 tok/s1600ms✓ YesAcceptableestimated

Notes

Q3_K_M

Q3 at ~32GB fits in 64GB. Slow but functional on Apple Silicon.

About Llama 3.3 70B Instruct

Llama 3.3 70B Instruct (70.6B) is a chat, coding, reasoning, multi-purpose model. Flagship Llama 3.3 model with best-in-class general and coding performance.

View all Llama 3.3 70B Instruct hardware options →

About Apple M4 Max (64GB Unified)

Apple M4 Max (64GB Unified) has 64 GB at 546 GB/s. Available in MacBook Pro 16", Mac Studio.

See all models Apple M4 Max (64GB Unified) can run →

Source: MLX 70B model reports (2026-03-01)

Data last updated: 2026-03-15