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.
Efficient 16GB VRAM entry point. Ideal for Stable Diffusion XL and memory-intensive creative AI tasks.
| Metric | NVIDIA GeForce RTX 4070 Super | AMD Radeon RX 9070 |
|---|---|---|
| VRAM | 12GB | 16GB |
| Memory Bandwidth | 504 GB/s | 640 GB/s |
| AI Throughput (TOPS) | 568 | 289 |
| TDP (Power Draw) | 220W | 220W |
| Est. Price | $609.99 | $469.99 |