Can the RTX 3080 Ti run Nemotron 3.5 Lightning?
Just. Nemotron 3.5 Lightning at Q4_K_M needs about 11.8 GB of the RTX 3080 Ti's 12 GB, running at an estimated 52 tok/s. Keep context short and close other GPU apps.
Every quantization
Nemotron 3.5 Lightning (17.8B) on 12 GB
| Quant | Weights | Needs | Fit | Est. speed |
|---|---|---|---|---|
| Q4_K_M | 10 GB | 11.8 GB | Tight | ~52 tok/s |
| Q5_K_M | 13 GB | 14.8 GB | Too big | - |
| Q8_0 | 19 GB | 20.8 GB | Too big | - |
| FP16 | 36 GB | 37.8 GB | Too big | - |
Estimates. Needs = weights + 1.8 GB for KV cache and runtime at modest context. Speed is single-stream decode scaled from the RTX 3080 Ti's 912 GB/s bandwidth (XiongjieDai/GPU-Benchmarks-on-LLM-Inference). Long contexts need more memory and run slower.
Compare
Same model, other hardware - and other models on this card
Nemotron 3.5 Lightning on other hardware
- RTX 5090~103 tok/s
- RTX 5090 D~103 tok/s
- RTX 6000D~90 tok/s
- RTX 4090~63 tok/s
- RTX 3090~55 tok/s
- Radeon RX 7900 XTX~55 tok/s
- RTX 5080~55 tok/s
- RTX 5080 Mobile~51 tok/s
Also runs on the RTX 3080 Ti
- Qwen3 14B~65 tok/s
- Ornith-1.5-9B~87 tok/s
- Ornith-1.5-9B-OBLITERATED~87 tok/s
- Qwen3.5 9B~87 tok/s
- Llama 3.1 8B~95 tok/s
- Qwen3.5 4B~174 tok/s
- Qwen3-4B-Instruct-2507~261 tok/s
- Phi-4 Mini~209 tok/s
Frequently asked
Quick answers
Can the NVIDIA RTX 3080 Ti run Nemotron 3.5 Lightning?
Just. Nemotron 3.5 Lightning at Q4_K_M needs about 11.8 GB of the RTX 3080 Ti's 12 GB, running at an estimated 52 tok/s. Keep context short and close other GPU apps.
How much VRAM does Nemotron 3.5 Lightning need?
About 10 GB of weights at Q4_K_M, 19 GB at Q8_0 and 36 GB at FP16. Add roughly 1.8 GB for the KV cache and runtime at modest context lengths.
How fast is Nemotron 3.5 Lightning on the RTX 3080 Ti?
Roughly 52 tokens per second at Q4_K_M (single user, llama.cpp-style decode). This is an estimate from the RTX 3080 Ti's 912 GB/s memory bandwidth.