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HBM
WebGPUEnterprise

Memory verified.

Measured 27 September 2026 at 21:15 UTC on Opera 135, Windows by OP-B73540.

MEM Score85.4
Percentile
Calibrating
2 of 5 class runs needed. Top 31 % overall
Device class
RTX 4070 Ti SUPER
GDDR6X, 256-bit, 672 GB/s peak
Read535.2GB/s80 % of published peak
Write522.5GB/s
Copy536.5GB/s
Random access88.9 GB/s5.56 G reads/s
Latency proxy229 ns
Sustain545.2 GB/s100 % held over 18 s
AI decode ceiling

134tokens/s, 8B model at 4-bit

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

READWRITECOPYSUSTAINMEMPRINT / 219216
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
17.7 TB
Duration
48.1 s
Stack position
Layer 002, die 35 of 64
Run
ep0kmemwq2
Test your memoryFind it in The StackRTX 4070 Ti SUPER