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The M4 has increased the bandwidth from 100 to 120 GB/s. The M4 Max would probably be 4x that at 480 GB/s, but the M4 Ultra would be 960 GB/s compared to M2 Ult
by hmottestad 2y ago
The M4 has increased the bandwidth from 100 to 120 GB/s. The M4 Max would probably be 4x that at 480 GB/s, but the M4 Ultra would be 960 GB/s compared to M2 Ultra at 800 GB/s.
- winwang 2y agoDang. +20% is still a nice difference, but not sure how they did that. Here's hoping M4 Max can include more tech, but that's copium. 960 GB/s is 3090 level so that's pretty good. I'm curious if the Macbooks right now are actually more so compute limited due to tensor throughput being relatively weak, not sure about real-world perf.
- wmf 2y agoLPDDR5-6400 + 20% ~= LPDDR5-7500 (same speed used in Intel/AMD laptops)