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HBM
WebGPUEnterprise

Memory verified.

Measured 27 September 2026 at 17:38 UTC on Chrome 153, Windows by OP-9C593D.

MEM Score70.8
Percentile
Calibrating
1 of 5 class runs needed. Top 50 % overall
Device class
GTX 1660 SUPER
GDDR6, 192-bit, 336 GB/s peak
Read324.5GB/s97 % of published peak
Write294.0GB/s
Copy293.5GB/s
Random access22.1 GB/s1.38 G reads/s
Latency proxy251 ns
Sustain288.8 GB/s100 % held over 18 s
AI decode ceiling

81tokens/s, 8B model at 4-bit

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

READWRITECOPYSUSTAINMEMPRINT / 514977
Memprint: drawn from this run's measurements only.
Timing
GPU timestamps
Working set
2 × 256 MiB
Data moved
9.81 TB
Duration
48.3 s
Stack position
Layer 000, die 51 of 64
Run
mdgwa0vtbh
Test your memoryFind it in The StackGTX 1660 SUPER