Device: iPhone 16
Category: iphone
Memory: 8 GB (unified), usable for models: 4.5 GB
Memory bandwidth: 60 GB/s
MSRP (USD): 799
TDP: 11 W
Best runtime: llama.cpp + Metal (via PocketPal or Off Grid app)
Notes: All iPhone 16 models confirmed 8GB RAM per MacRumors (Sep 2024, citing Apple Intelligence requirement). Apple specs page confirms 8GB. Unified memory architecture; iOS reserves ~3-4GB, leaving ~4-4.5GB usable (community estimate). Identical LLM capability envelope to iPhone 15 Pro. On-device model ceiling: 1B-3B Q4_K_M class. Apple Intelligence on-device model is ~3B parameter class.