Head-to-Head Showdown

Apple MacBook Pro 16-inch (M4 Max 128GB) vs Custom Workstation PC (RTX 4090 24GB)

Comparing ARM architecture against x86 for local AI inference. Review generation throughput, memory architecture, and runner compatibility.

Select Any Two Systems to Compare Head-to-Head

System A (Left)

System B (Right)

System A

Apple MacBook Pro 16-inch (M4 Max 128GB)

Apple M4 Max (16-core CPU, 40-core GPU)

128 GB MemoryARM~72.4 t/s

System B

AMD Ryzen 9 7950X + NVIDIA RTX 4090 (24GB VRAM)

64 GB Memoryx86~133.7 t/s

Specification	Apple MacBook Pro 16-inch (M4 Max 128GB)	Custom Workstation PC (RTX 4090 24GB)
Architecture	ARM	x86
Processor	Apple M4 Max (16-core CPU, 40-core GPU)	AMD Ryzen 9 7950X + NVIDIA RTX 4090 (24GB VRAM)
Operating System	macOS	Linux
System RAM / Unified Memory	128 GB	64 GB
GPU-Usable Memory (VRAM or unified)	96 GB	24 GB
Memory Bandwidth	546 GB/s	1008 GB/s
Memory Type & Bandwidth	Unified Memory (546 GB/s)	DDR5-6000 + 24GB GDDR6X VRAM
NPU Acceleration (TOPS)	38 TOPS	1321 TOPS
Small models (3–7B)	Yes (Compatible)	Yes (Compatible)
8B models (Qwen3 8B)	Yes (Compatible)	Yes (Compatible)
Estimated 8B Generation Speed	~72.4 t/s	~133.7 t/s
Recommended Max Context	128k tokens	64k tokens
Power Consumption Envelope	40-90W	350-550W

The buying and sizing guides that explain the numbers above.