MEM Score 22.9 on iPhone — HBM

MEM Score22.9

Percentile: Top 56 %; of 9 verified runs in class
Device class: iPhone; LPDDR, peak not published

Read26.9GB/s

Write28.6GB/s

Copy26.5GB/s

Random access	4.07 GB/s	0.25 G reads/s
Latency proxy	379 ns
Sustain	26.4 GB/s	100 % held over 18 s

AI decode ceiling

6.7tokens/s, 8B model at 4-bit

0.8 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: 857 GB
Duration: 48.1 s
Stack position: Layer 002, die 40 of 64
Run: g4zrj6mszg

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