Architect's technical teardown: VRAM capacity, memory bandwidth, TDP, and AI throughput — compared head-to-head for local LLM workloads.
Reliable 16GB VRAM performer. Great for high-speed inference on mid-sized language models and large-scale image generation.
AMD RDNA 4 architecture optimized for price-to-VRAM performance. Strong choice for Linux-based ROCm AI workloads.
| Metric | NVIDIA GeForce RTX 4080 Super | AMD Radeon RX 9070 XT |
|---|---|---|
| VRAM | 16GB | 16GB |
| Memory Bandwidth | 736 GB/s | 640 GB/s |
| AI Throughput (TOPS) | 836 | 389 |
| TDP (Power Draw) | 320W | 250W |
| Est. Price | $879.99 | $579.99 |