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HBM
WebGPUEnterprise

Memory verified.

Measured 27 September 2026 at 21:16 UTC on Opera 135, Windows by OP-B73540.

MEM Score85.3
Percentile
Calibrating
2 of 5 class runs needed. Top 32 % overall
Device class
RTX 4070 Ti SUPER
GDDR6X, 256-bit, 672 GB/s peak
Read560.1GB/s83 % of published peak
Write528.5GB/s
Copy544.2GB/s
Random access78.8 GB/s4.92 G reads/s
Latency proxy233 ns
Sustain546.1 GB/s100 % held over 18 s
AI decode ceiling

140tokens/s, 8B model at 4-bit

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

READWRITECOPYSUSTAINMEMPRINT / 420099
Memprint: drawn from this run's measurements only.
Timing
GPU timestamps
Working set
2 × 256 MiB
Data moved
18.0 TB
Duration
48.0 s
Stack position
Layer 002, die 36 of 64
Run
41m7k586p3
Test your memoryFind it in The StackRTX 4070 Ti SUPER