Expired60% confidenceBenchmarkExact time
The RTX 4090 has a memory bandwidth of approximately 1 TB/s, while unified memory bandwidth typically falls in the 100–800 GB/s range, with Apple M3 Ultra reaching 800 GB/s and ordinary mini PC APU solutions typically at 100–200 GB/s.
2
Sources
60%
Confidence
Medium-term (~90 days)
Relevance
7/11/2026
First Seen
Valid until: 10/9/2026(expired)
Sources
Demystifying Unified Memory Architecture: How Mini PCs Run 70B Large Models
hackernewshackernews7/10/2026
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