Raises estimated decode speed by about 61%.
Adds memory headroom for longer context windows and future model growth.
~$219 MSRP
Yi 1.5 6B needs ~6.3 GB VRAM. RX 6600 XT 8GB has 8.0 GB. With Q4_K_M quantization, expect ~38 tok/s.
Operating mode
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
38.0 tok/s
TTFT
5090 ms
Safe context
4K
Memory
6.3 GB / 8.0 GB
This setup is broadly balanced for this model.
No major red flags
This recommendation has enough memory headroom and acceptable estimated speed for the selected workload.
| Workload | Grade | Fit | Decode | TTFT | Context |
|---|---|---|---|---|---|
| Chat | C | Runs well | 38.0 tok/s | 2777 ms | 4K |
| Coding | C | Runs well | 38.0 tok/s | 5090 ms | 4K |
| Agentic Coding | C | Tight fit | 38.0 tok/s | 7404 ms | 4K |
| Reasoning | C | Runs well | 38.0 tok/s | 6016 ms | 4K |
| RAG | C | Tight fit | 38.0 tok/s | 9255 ms | 4K |
How Yi 1.5 6B (6B params) fits at each quantization level on RX 6600 XT 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 | 3.4 GB | Medium | C53 |
Q4_K_M | 4 | 3.7 GB | Medium | C53 |
Q5_K_M | 5 | 4.3 GB | High | C53 |
Q6_KBest for your GPU | 6 | 4.9 GB | High | C53 |
Q8_0 | 8 | 6.4 GB | Very High | F0 |
F16 | 16 | 12.3 GB | Maximum | F0 |
Copy-paste commands to run Yi 1.5 6B on your machine.
Run
lms load Yi-1.5-6B-Chat && lms server start升级选项
Raises estimated decode speed by about 61%.
Adds memory headroom for longer context windows and future model growth.
~$219 MSRP
Raises estimated decode speed by about 89%.
Adds memory headroom for longer context windows and future model growth.
~$699 MSRP
Yes, RX 6600 XT 8GB can run Yi 1.5 6B with a C grade (Runs well). Expected decode speed: 38.0 tok/s.
Yi 1.5 6B (6B parameters) requires approximately 6.3 GB of memory with Q4_K_M quantization.
The recommended quantization for Yi 1.5 6B is Q4_K_M, which balances quality and memory efficiency.
On RX 6600 XT 8GB, Yi 1.5 6B achieves approximately 38.0 tokens per second decode speed with a time-to-first-token of 5090ms using Q4_K_M quantization.
For coding workloads, Yi 1.5 6B on RX 6600 XT 8GB receives a C grade with 38.0 tok/s and 4K context.
On RX 6600 XT 8GB, Yi 1.5 6B can safely use up to 4K tokens of context. The model's official context limit is 4K, but available memory constrains the safe maximum.
Paste this snippet into any page to show a live fit card.
<iframe src="https://willitrunai.com/embed/yi-1.5-6b-on-rx-6600-xt-8gb" width="400" height="180" frameborder="0" style="border:none;border-radius:12px;overflow:hidden;" title="Will It Run AI — fit result"></iframe>
Preview: