Architect's technical teardown: VRAM capacity, memory bandwidth, TDP, and AI throughput — compared head-to-head for local LLM workloads.
High value 12GB performer. Excellent efficiency and enough VRAM for 8B models with high-context K-V cache needs.
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 4070 Super | Apple Mac Studio (M4 Ultra) |
|---|---|---|
| VRAM | 12GB | 128GB |
| Memory Bandwidth | 504 GB/s | 820 GB/s |
| AI Throughput (TOPS) | 568 | 220 |
| TDP (Power Draw) | 220W | 200W |
| Est. Price | $609.99 | $3,999.99 |