GPU — NVIDIA
NVIDIA GeForce RTX 3090
The legendary used-market GOAT. 24GB VRAM at a fraction of the cost of 4090/5090. Still handles 70B models with ease.
- VRAM
- 24GB
- TDP
- 350W
- Bandwidth
- 936GB/s
- AI Throughput
- 285TOPS
Est. Price$749.99
NVIDIA GeForce RTX 3090 vs NVIDIA GeForce RTX 5090
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 5090
NVIDIA's Blackwell flagship featuring 32GB of high-speed GDDR7 memory. Designed for massive LLM training and high-precision FP8 inference at scale.
- VRAM
- 32GB
- TDP
- 575W
- Bandwidth
- 1792GB/s
- AI Throughput
- 3352TOPS
Est. Price$2,049.99
Full Specification Matrix
| Metric | NVIDIA GeForce RTX 3090 | NVIDIA GeForce RTX 5090 |
|---|---|---|
| VRAM | 24GB | 32GB |
| Memory Bandwidth | 936 GB/s | 1792 GB/s |
| AI Throughput (TOPS) | 285 | 3352 |
| TDP (Power Draw) | 350W | 575W |
| Est. Price | $749.99 | $2,049.99 |