Verified85% confidenceFactExact time
The UltraFusion inter-chip bandwidth of the M5 Ultra has increased from approximately 2.5 TB/s on the M3 Ultra to 4.4 TB/s, with a 6x improvement in connection density.
5
Sources
85%
Confidence
Long-term
Relevance
9/23/2026
First Seen
Sources
Related Entities
Related Claims
UnverifiedAt a 4K×4K×16K matrix multiplication scale, the M5 Ultra achieved 91 TFLOPS, while the M5 Max and M3 Ultra achieved 34 and 22 TFLOPS respectively.75% similarUnverifiedApple claims the M5 Ultra's peak AI computing performance is 4.3 times that of the M3 Ultra, with memory bandwidth 50% higher than the M3 Ultra.72% similarUnverifiedThe M5 Ultra's memory capacity is more than five times that of the RTX Pro 6000, but its memory bandwidth is only about two-thirds of the latter.72% similarPartially VerifiedUnder heavy GPU load, the M3 Ultra consumes approximately 100 W, while the M5 Ultra surges to over 400 W.70% similarVerifiedThe unified memory bandwidth of the M3 Max chip is as high as 400GB/s, far exceeding the approximately 64GB/s of a traditional PCIe bus68% similar
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