Can Yi 1.5 6B run on RTX 2070 Super 8GB?
YES — Runs Great
Yi 1.5 6B needs ~6.3 GB VRAM. RTX 2070 Super 8GB has 8.0 GB. With Q4_K_M quantization, expect ~81 tok/s.
Operating mode
Choose the run profile you care about
Interactive favors responsiveness, while light API and scale-out lean harder on serving readiness. The fit stays the same, but the recommendation lens changes.
Current mode
Balanced
Balanced for general local use. Keeps the ranking neutral across personal and serving workflows.
Select quantization to explore
Fit status
Runs well
Decode
81.2 tok/s
TTFT
2384 ms
Safe context
4K
Memory
6.3 GB / 8.0 GB
Memory breakdown
See how fast it feels
What limits this setup
This setup is broadly balanced for this model.
Older PCIe generation
PCIe 3.0 is workable, but it compounds the penalty when you offload heavily or try to scale across multiple cards.
Best improvement path
Performance by workload
| Workload | Grade | Fit | Decode | TTFT | Context |
|---|---|---|---|---|---|
| Chat | B | Runs well | 81.2 tok/s | 1300 ms | 4K |
| Coding | B | Runs well | 81.2 tok/s | 2384 ms | 4K |
| Agentic Coding | C | Tight fit | 81.2 tok/s | 3468 ms | 4K |
| Reasoning | B | Runs well | 81.2 tok/s | 2818 ms | 4K |
| RAG | C | Tight fit | 81.2 tok/s | 4335 ms | 4K |
Quantization options
How Yi 1.5 6B (6B params) fits at each quantization level on RTX 2070 Super 8GB (8.0 GB usable).
| Quant | Bits | VRAM | Quality | Fit |
|---|---|---|---|---|
Q2_K | 2 | 2.3 GB | Low | C52 |
Q3_K_S | 3 | 2.9 GB | Low | C53 |
NVFP4 | 4 |
Get started
Copy-paste commands to run Yi 1.5 6B on your machine.
Run
lms load Yi-1.5-6B-Chat && lms server start