NVIDIA RTX 3090 Ti - 24GB usable
Slightly faster than the 3090 at similar prices. Check both before buying.
Specifications
| Brand | NVIDIA |
|---|---|
| Model | RTX 3090 Ti |
| Usable VRAM | 24GB |
| Architecture | Ampere |
| CUDA / Stream Processors | 10,752 |
| Memory Bandwidth | 1008 GB/s |
| TDP | 450W |
| FP32 TFLOPS | 40 |
Current Offers
Used from $1500New from $1800
Prices last updated:
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Price History
- eBay$1500near high
- Amazon$1800current
- Newegg$2195at high
For AI / LLM Use
Solid choice for 30B models and comfortable 14B inference.
What Models Can It Run?
- 30B Q4_K_M, 14B full precision, 70B Q2 (tight)
- 14B Q6_K, 30B Q3_K (tight)
- 14B Q4_K_M, 7B full precision
- 7B Q6_K, 14B Q3_K (tight)
- 7B Q4_K_M only
Estimated Performance
Generation: ~76 tokens/sec
Prefill: ~714 tokens/sec
Recommended Quantisations
- Q4_K_M recommended for 30B models
- Q6_K or Q8 for 14B and below
- Full precision for 7B
Pros & Cons
Pros
- 24GB usable VRAM: handles large models
- High memory bandwidth for fast generation
- Ampere architecture: broad CUDA software support
- Consumer card: easy to install, display output
Cons
- 450W TDP: high power draw
Community Verdict
- r/LocalLLaMA
Marginal upgrade over 3090. Buy whichever is cheaper — same 24GB VRAM, slightly more bandwidth.
Source