Mac Studio (M4/M5 Ultra 128GB–256GB) vs. Dual RTX 5090 (64GB): The $6,000 Local LLM Workstation Shootout
Choosing a $6,000 local AI workstation: Apple Silicon Unified Memory (128GB-256GB) vs Dual RTX 5090 (64GB). Sizing 70B/236B MoE models, TTFT, and TCO.