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

Mac Studio M3 Ultra vs RTX 3090 (used)

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Local AI Hardware · verified 13 Aug 2026

Mac Studio M3 UltraApplecurrent
RTX 3090 (used)NVIDIAcurrent
3 slots left
SpecificationMac Studio M3 UltraRTX 3090 (used)
SummaryFastest tokens per second in its bracket.Best value entry point.
Memoryup to 512GB24GB
Bandwidth546–819 GB/s
Price$3–6K~$900
70B tok/s20–30
CategoryLocal AI HardwareLocal AI Hardware
OfficialAppleNVIDIA

Highlighted rows are where these differ.

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 →

RTX 3090 (used)

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

Best for getting started.

Full spec sheet →