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HBM
WebGPUEnterprise

Memory verified.

Measured 27 September 2026 at 17:57 UTC on Chrome 130, Windows by OP-9C3CED.

MEM Score105.4
Percentile
Top 59 %
of 34 verified runs in class
Device class
RTX 5090
GDDR7, 512-bit, 1,792 GB/s peak
Read1722GB/s96 % of published peak
Write1474GB/s
Copy1392GB/s
Random access188.4 GB/s11.78 G reads/s
Latency proxy283 ns
Sustain1370 GB/s100 % held over 18 s
AI decode ceiling

430tokens/s, 8B model at 4-bit

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

READWRITECOPYSUSTAINMEMPRINT / 555455
Memprint: drawn from this run's measurements only.
  • Form factor declared as desktop.
Timing
GPU timestamps
Working set
2 × 256 MiB
Data moved
7.88 TB
Duration
55.7 s
Stack position
Layer 001, die 11 of 64
Run
15masgb9m5
Test your memoryFind it in The StackRTX 5090