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HBM
WebGPUEnterprise

Memory verified.

Measured 27 September 2026 at 18:20 UTC on Chrome 156, Windows by OP-201F6D.

MEM Score60.2
Percentile
Calibrating
1 of 5 class runs needed. Top 72 % overall
Device class
GTX 1660 Ti
GDDR6, 192-bit, 288 GB/s peak
Read253.9GB/s88 % of published peak
Write235.6GB/s
Copy229.0GB/s
Random access2.86 GB/s0.18 G reads/s
Latency proxy277 ns
Sustain248.2 GB/s100 % held over 18 s
AI decode ceiling

63tokens/s, 8B model at 4-bit

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

READWRITECOPYSUSTAINMEMPRINT / 171967
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
7.80 TB
Duration
75.3 s
Stack position
Layer 001, die 48 of 64
Run
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Test your memoryFind it in The StackGTX 1660 Ti