Pyyan / Compare / DGX Spark vs RTX 5090

DGX Spark vs RTX 5090

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Local AI Hardware · verified 13 Aug 2026

DGX SparkNVIDIAcurrent
RTX 5090NVIDIAcurrent
3 slots left
SpecificationDGX SparkRTX 5090
SummaryHard to recommend for most people.Best consumer GPU for LLMs.
Memory128GB LPDDR5x32GB GDDR7
Bandwidth273 GB/s1,792 GB/s
Price$4,699$2–3K
70B tok/s2.7
CategoryLocal AI HardwareLocal AI Hardware
OfficialNVIDIANVIDIA

Highlighted rows are where these differ.

DGX Spark

  • 273 GB/s — a Mac Studio does twice that for less
  • Only buy for full CUDA parity at 128GB

Best for CUDA + multi-node only.

Full spec sheet →

RTX 5090

  • 32GB GDDR7
  • NVLink removed — two cards give ~1.4×, not 2×

Best for CUDA work.

Full spec sheet →