Architect's technical teardown: VRAM capacity, memory bandwidth, TDP, and AI throughput — compared head-to-head for local LLM workloads.
The previous generation's king. 24GB VRAM and high CUDA counts remain the industry standard for consumer AI development.
The ultimate local LLM server. With massive unified memory, it effortlessly hosts 70B+ parameter models at lightning speeds with unbeatable thermal efficiency.
| Metric | NVIDIA GeForce RTX 4090 | Apple Mac Studio (M4 Ultra) |
|---|---|---|
| VRAM | 24GB | 128GB |
| Memory Bandwidth | 1008 GB/s | 820 GB/s |
| AI Throughput (TOPS) | 1321 | 220 |
| TDP (Power Draw) | 450W | 200W |
| Est. Price | $1,799.00 | $3,999.99 |