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