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HBM
WebGPUEnterprise

Memory verified.

Measured 27 September 2026 at 20:46 UTC on Chrome 153, macOS by OP-55FEA8.

MEM Score16.9
Percentile
Calibrating
1 of 5 class runs needed. Top 96 % overall
Device class
Iris Plus
LPDDR4X / DDR4, 128-bit, 59.7 GB/s peak (varies)
Read20.9GB/s
Write19.5GB/s
Copy21.4GB/s
Random access3.10 GB/s0.19 G reads/s
Latency proxy841 ns
Sustain22.6 GB/s100 % held over 18 s
AI decode ceiling

5.2tokens/s, 8B model at 4-bit

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

READWRITECOPYSUSTAINMEMPRINT / 518038
Memprint: drawn from this run's measurements only.
  • The tab was hidden for part of the run.
  • Form factor declared as laptop.
Timing
GPU timestamps
Working set
2 × 256 MiB
Data moved
87.2 GB
Duration
57.1 s
Stack position
Layer 002, die 33 of 64
Run
ezma874vps
Test your memoryFind it in The StackIris Plus