Unverified60% confidenceBenchmarkExact time
In AmorphousDiskMark tests, the M5 Ultra achieves sequential read speeds of 14,888 MB/s and write speeds approaching 20,000 MB/s, while the M3 Ultra reads at approximately 6,500 MB/s and writes at 2,700 MB/s.
2
Sources
60%
Confidence
Medium-term (~90 days)
Relevance
9/23/2026
First Seen
Valid until: 12/22/2026
Sources
Related Entities
Related Claims
UnverifiedIn a text generation test using an 8-billion-parameter model, the M5 Ultra achieved 188 tokens per second versus 129 tokens per second for the M3 Ultra, representing only 1.45x.76% similarUnverifiedWhen the model loads, it first allocates a full-precision shell of approximately 1.29 GB and then reads in 643 MB of full weights, with peak memory potentially reaching approximately 3,400 MB.76% similarVerifiedUnder the M5 Ultra's 1.2 TB/s bandwidth, the theoretical speed of a 100 GB quantized model is approximately 12 tokens/s, a 200 GB model approximately 6 tokens/s, and a 300 GB model approximately 4 tokens/s.72% similar
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