MEM Score 35.0 on iPhone — HBM

MEM Score35.0

Percentile: Calibrating; 1 of 5 class runs needed. Top 82 % overall
Device class: iPhone; LPDDR, peak not published

Read49.4GB/s

Write46.4GB/s

Copy41.3GB/s

Random access	10.3 GB/s	0.65 G reads/s
Latency proxy	326 ns
Sustain	42.9 GB/s	100 % held over 18 s

AI decode ceiling

12tokens/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.

Timed with the wall clock because GPU timestamps were unavailable.
Sized for a phone: a smaller working set that still outruns every cache on the chip.

Timing: GPU timestamps, some wall clock
Working set: 2 × 128 MiB
Data moved: 1.53 TB
Duration: 48.1 s
Stack position: Layer 002, die 30 of 64
Run: mdz3w2g5xr

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