MEM Score 33.5 on Apple M1 — HBM

MEM Score33.5

Percentile: Calibrating; 3 of 5 class runs needed. Top 86 % overall
Device class: Apple M1; LPDDR4X, 128-bit, 68.25 GB/s peak

Read50.2GB/s73 % of published peak

Write52.4GB/s

Copy50.3GB/s

Random access	3.76 GB/s	0.24 G reads/s
Latency proxy	385 ns
Sustain	49.3 GB/s	98 % held over 18 s

AI decode ceiling

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

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

Memprint: drawn from this run's measurements only.

Form factor declared as laptop.

Timing: GPU timestamps
Working set: 2 × 256 MiB
Data moved: 1.64 TB
Duration: 48.0 s
Stack position: Layer 002, die 7 of 64
Run: scv00ba024

Test your memory Find it in The Stack Apple M1