Pyyan / Compare / RTX 3090 (used) vs Mac Studio M3 Ultra

RTX 3090 (used) vs Mac Studio M3 Ultra

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Local AI Hardware · verified 13 Aug 2026

RTX 3090 (used)NVIDIAcurrent
Mac Studio M3 UltraApplecurrent
3 slots left
SpecificationRTX 3090 (used)Mac Studio M3 Ultra
SummaryBest value entry point.Fastest tokens per second in its bracket.
Memory24GBup to 512GB
Bandwidth546–819 GB/s
Price~$900$3–6K
70B tok/s20–30
CategoryLocal AI HardwareLocal AI Hardware
OfficialNVIDIAApple

Highlighted rows are where these differ.

RTX 3090 (used)

  • Handles models up to 32B
  • Last consumer card with NVLink

Best for getting started.

Full spec sheet →

Mac Studio M3 Ultra

  • 546–819 GB/s bandwidth
  • M5 Ultra expected mid-2026 at 1,200+ GB/s

Best for speed and silence.

Full spec sheet →