MEM Score 25.2 on iPhone — HBM

MEM Score25.2

Percentile: Top 29 %; of 14 verified runs in class
Device class: iPhone; LPDDR, peak not published

Read34.0GB/s

Write32.1GB/s

Copy30.5GB/s

Random access	4.05 GB/s	0.25 G reads/s
Latency proxy	444 ns
Sustain	28.1 GB/s	66 % held over 18 s

AI decode ceiling

8.5tokens/s, 8B model at 4-bit

1.0 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: 1.02 TB
Duration: 48.1 s
Stack position: Layer 002, die 62 of 64
Run: 90kh7ewfvr

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