ASUS ProArt P16 with RTX Spark Beats RTX 5090 Desktop in AI Workload

PCWorld's review found the $6,999 ASUS ProArt P16 with Nvidia's RTX Spark N1X finished a gpt-oss-120b workload in 33 minutes 13 seconds versus 52 minutes 51 seconds for a desktop with an RTX 5090. Its 128 GB of unified memory holds the 60 GB model entirely on-chip, while the 5090's 32 GB of GDDR7 forces spillover over PCIe.

• ProArt P16 processed 472,084 tokens in 33:13 versus 52:51 for the RTX 5090 desktop
• 128 GB of LPDDR5X holds the 120-billion-parameter model entirely on-chip
• The RTX 5090 has only 32 GB of GDDR7, dropping bandwidth from 1,792 to ~64 GB/s
• Top configuration costs $6,999; the 18-core version starts at $2,599