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 4090
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 4090
The previous generation's king. 24GB VRAM and high CUDA counts remain the industry standard for consumer AI development.
- VRAM
- 24GB
- TDP
- 450W
- Bandwidth
- 1008GB/s
- AI Throughput
- 1321TOPS
Est. Price$1,799.00
Full Specification Matrix
| Metric | AMD Radeon RX 9070 XT | NVIDIA GeForce RTX 4090 |
|---|---|---|
| VRAM | 16GB | 24GB |
| Memory Bandwidth | 640 GB/s | 1008 GB/s |
| AI Throughput (TOPS) | 389 | 1321 |
| TDP (Power Draw) | 250W | 450W |
| Est. Price | $579.99 | $1,799.00 |