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HBM
WebGPUEnterprise

Memory verified.

Measured 24 September 2026 at 20:05 UTC on Chrome 153, Linux by OP-A821F4.

MEM Score77.4
Percentile
Calibrating
3 of 5 class runs needed. Top 20 % overall
Device class
GTX 1080 Ti
GDDR5X, 352-bit, 484 GB/s peak
Read428.8GB/s89 % of published peak
Write445.8GB/s
Copy419.3GB/s
Random access27.4 GB/s1.71 G reads/s
Latency proxy278 ns
Sustain419.4 GB/s100 % held over 18 s
AI decode ceiling

107tokens/s, 8B model at 4-bit

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

READWRITECOPYSUSTAINMEMPRINT / 247013
Memprint: drawn from this run's measurements only.
Timing
GPU timestamps
Working set
2 × 256 MiB
Data moved
14.7 TB
Duration
48.0 s
Stack position
Layer 000, die 1 of 64
Run
js6gbc9592
Test your memoryFind it in The StackGTX 1080 Ti