MEM Score 30.0 on iPhone — HBM

MEM Score30.0

Percentile: Top 35 %; of 23 verified runs in class
Device class: iPhone; LPDDR, peak not published

Read43.1GB/s

Write40.4GB/s

Copy40.1GB/s

Random access	3.99 GB/s	0.25 G reads/s
Latency proxy	428 ns
Sustain	40.0 GB/s	100 % held over 18 s

AI decode ceiling

11tokens/s, 8B model at 4-bit

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

Memprint: drawn from this run's measurements only.

Sized for a phone: a smaller working set that still outruns every cache on the chip.

Timing: GPU timestamps
Working set: 2 × 128 MiB
Data moved: 1.26 TB
Duration: 48.2 s
Stack position: Layer 003, die 35 of 64
Run: mvc5p1km6e

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