Architect's technical teardown: VRAM capacity, memory bandwidth, TDP, and AI throughput — compared head-to-head for local LLM workloads.
NVIDIA's Blackwell flagship featuring 32GB of high-speed GDDR7 memory. Designed for massive LLM training and high-precision FP8 inference at scale.
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 5090 | Apple Mac Studio (M4 Ultra) |
|---|---|---|
| VRAM | 32GB | 128GB |
| Memory Bandwidth | 1792 GB/s | 820 GB/s |
| AI Throughput (TOPS) | 3352 | 220 |
| TDP (Power Draw) | 575W | 200W |
| Est. Price | $2,049.99 | $3,999.99 |