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Phi-4 Mini on Apple M4 Max (64GB Unified)

Apple M4 Max (64GB Unified) runs Phi-4 Mini excellently at 90 tok/s at Q8_0. This is a strong pairing.

Model Size

3.82B

Device VRAM

64 GB

Bandwidth

546 GB/s

Quantizations Tested

1

Performance by Quantization

Each row shows Phi-4 Mini performance at a different quality level on Apple M4 Max (64GB Unified).

QuantizationSpeedTTFTFits in VRAMRatingConfidence
Q8_090 tok/s50ms✓ YesExcellentestimated

Notes

Q8_0

Same speed as M4 Max 36GB. Extra memory for concurrent workloads.

About Phi-4 Mini

Phi-4 Mini (3.82B) is a chat, coding, ai coding, reasoning model. Microsoft's tiny powerhouse. Punches well above its weight at 3.8B parameters — competitive with many 7B models on reasoning and coding benchmarks. Extremely fast inference. Ideal as a draft model or for resource-constrained setups.

View all Phi-4 Mini 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 performance estimates based on device bandwidth (2026-03-15)

Data last updated: 2026-03-15