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M5 Ultra Mac Studio Review

269 points · 262 comments · piotrgrabowski

  1. simonw · · focus · HN ↗
    The numbers I was most interested in are tucked away in a chart towards the bottom - the speed comparison of the Mac Studios v.s. a RTX 5090:

      Qwen3.8 27B tokens/sec generation speed

  Prompt size    8K    64K   128K   256K
  RTX 5090 PC    59    51    44     n/a
  M5 Ultra       48    39    32     24
  M3 Ultra       31    23.5  20     15
    A whole bunch more comparison numbers in this section: <a href="https:&#x2F;&#x2F;www.macstories.net&#x2F;stories&#x2F;m5-ultra-mac-studio-review-the-dream-mac-for-local-ai-agents&#x2F;#mx-pc" rel="nofollow">https:&#x2F;&#x2F;www.macstories.net&#x2F;stories&#x2F;m5-ultra-mac-studio-revie...
    1. traceroute66 · · focus · HN ↗
      Not forgetting of course that an RTX5090 is what 600W+ ? And the Mac is probably half that at most ?
      1. beastman82 · · focus · HN ↗
        sure. so is 2x power worth 10x perf? I think it is in most cases.
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