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HBM
WebGPUEnterprise

Memory verified.

Measured 27 September 2026 at 21:14 UTC on Opera 135, Windows by OP-4FAD09.

MEM Score73.9
Percentile
Calibrating
4 of 5 class runs needed. Top 47 % overall
Device class
GTX 1080 Ti
GDDR5X, 352-bit, 484 GB/s peak
Read371.6GB/s77 % of published peak
Write377.8GB/s
Copy373.0GB/s
Random access18.0 GB/s1.13 G reads/s
Latency proxy253 ns
Sustain382.8 GB/s94 % held over 18 s
AI decode ceiling

93tokens/s, 8B model at 4-bit

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

READWRITECOPYSUSTAINMEMPRINT / 162557
Memprint: drawn from this run's measurements only.
  • The tab was hidden for part of the run.
Timing
GPU timestamps
Working set
2 × 256 MiB
Data moved
11.6 TB
Duration
48.3 s
Stack position
Layer 002, die 34 of 64
Run
6k8j128cxz
Test your memoryFind it in The StackGTX 1080 Ti