Can Qwythos 9B v2 run on vivo S2?
NO — Won't fit
Formula estimate
What this means
None of the versions we checked fit safely on this phone. The checked version needs about 7.2 GB, while we estimate that the model can use about 6 GB.
Try a smaller model, or use this model on a device with more memory.
This result is calculated from the phone and model specifications. It has not been measured on this exact phone and setup.
−1.2GB short
memory that doesn't exist here
7.2GB
needed at Q4_K_M
Q4_K_M
quant checked
needs 7.2 GBusable 6 GB · short 1.2 GB
Dimensity 7360-Turbo8 GB RAMCPU / GPU
Three ways forward
1
Try a smaller quant
No quant of Qwythos 9B v2 fits this phone — even the smallest is too big. Options 2 and 3 are your real choices.
3
Run it in the cloud
The full Qwythos 9B v2, no download, at data-center speed — pay per token.
provider recommendations coming later
Where the memory goes
| Component | Detail | GB |
|---|---|---|
| Model weights | Q4_K_M GGUF (5.7 GB) + mmap overhead | 6 |
| KV cache | 4K context window | 0.6 |
| Runtime | llama.cpp + app overhead | 0.6 |
| Total needed | at Q4_K_M, 4K context | 7.2 |
| Working budget | 8 GB RAM − Android system reserve | 6 |
| Headroom | memory shortfall | −1.2 |
Pick your quant
| Quant | Download | Verdict | Speed |
|---|---|---|---|
| Q4_K_M | 5.7 GB | ✕ Won't fit | won't fit |
| Q5_K_M | 6.5 GB | ✕ Won't fit | won't fit |
| Q6_K | 7.5 GB | ✕ Won't fit | won't fit |
| Q8_0 | 9.5 GB | ✕ Won't fit | won't fit |
Related checks
More on vivo S2
Qwythos 9B v2 on other phones