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Qwen3.5-4B

M3 Ultra (80c) · 512 GB · 8bit · 2026-03-11

Performance

4k

tokens

2,498

PP tok/s

96.8

TG tok/s

1640

TTFT (ms)

6.1

Peak mem (GB)

Hardware

Chip M3 Ultra (80c)

Memory 512 GB

GPU Cores 80

Software

oMLX v0.2.6

macOS macOS 15.6

Context 4,096

Performance by Context Length

Context	PP tok/s	TG tok/s	Peak Mem
1k	2,444	101.1	5.9 GB	view
4k	2,498	96.8	6.1 GB	current

Batching Results

Batch Size	TG tok/s	Speedup
1×	101.1	1.00×
2×	174.7	1.73×
4×	260.8	2.58×