MEM Score 25.7 on iPhone — HBM

MEM Score25.7

Percentile: Top 22 %; of 14 verified runs in class
Device class: iPhone; LPDDR, peak not published

Read38.0GB/s

Write31.9GB/s

Copy31.5GB/s

Random access	3.79 GB/s	0.24 G reads/s
Latency proxy	448 ns
Sustain	28.2 GB/s	66 % held over 18 s

AI decode ceiling

9.5tokens/s, 8B model at 4-bit

1.1 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: 1.06 TB
Duration: 48.3 s
Stack position: Layer 002, die 61 of 64
Run: 5w5ejfgnne

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