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 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 | NVIDIA GeForce RTX 3090 | NVIDIA GeForce RTX 4090 |
|---|---|---|
| VRAM | 24GB | 24GB |
| Memory Bandwidth | 936 GB/s | 1008 GB/s |
| AI Throughput (TOPS) | 285 | 1321 |
| TDP (Power Draw) | 350W | 450W |
| Est. Price | $749.99 | $1,799.00 |