MEM Score 34.0 on Apple M1 — HBM

MEM Score34.0

Percentile: Calibrating; 1 of 5 class runs needed. Top 77 % overall
Device class: Apple M1; LPDDR4X, 128-bit, 68.25 GB/s peak

Read51.0GB/s75 % of published peak

Write52.5GB/s

Copy52.1GB/s

Random access	3.82 GB/s	0.24 G reads/s
Latency proxy	373 ns
Sustain	51.5 GB/s	100 % held over 18 s

AI decode ceiling

13tokens/s, 8B model at 4-bit

1.5 tokens/s at 70B, if it fits. Upper bound

Memprint: drawn from this run's measurements only.

Timing: GPU timestamps
Working set: 2 × 256 MiB
Data moved: 1.71 TB
Duration: 48.4 s
Stack position: Layer 000, die 23 of 64
Run: crgnvjv643

Test your memory Find it in The Stack Apple M1