Can Qwen3 14B run on Xperia 1 VIII?
YES — Runs, barely
Grade B · 60/100 · formula estimate
What this means
Our estimate says Qwen3 14B should fit, but replies are likely to arrive slowly.
Download the Q4_K_M version, which is about 9 GB. We expect it to use about 11.1 GB of the roughly 12 GB available to a model on this phone.
At the estimated speed, a roughly 300-word answer may take about 2 minutes to finish.
This result is calculated from the phone and model specifications. It has not been measured on this exact phone and setup.
4.2tokens/s
estimated · reading pace
11.1GB
needed at Q4_K_M
Q4_K_M
quant checked
B
grade · 60/100
needs 11.1 GBusable 12 GB
Snapdragon 8 Elite Gen 516 GB RAMCPU / GPUalso sold with 12 GB
Make it bearable
1
Drop context to 2K — saves ~0.5 GB of KV cache and a little speed.
2
Close every other app before loading — the 0.9 GB headroom is real; Android may kill the app otherwise.
3
Expect throttling after ~10 min of sustained generation on a phone chassis.
See how fast it feels
Estimated at 4.2 tokens/s — reading pace. A ~300-word reply takes about 95 seconds on this phone.
Where the memory goes
| Component | Detail | GB |
|---|---|---|
| Model weights | Q4_K_M GGUF (9 GB) + mmap overhead | 9.5 |
| KV cache | 4K context window | 1 |
| Runtime | llama.cpp + app overhead | 0.6 |
| Total needed | at Q4_K_M, 4K context | 11.1 |
| Usable on Xperia 1 VIII | 16 GB RAM − Android system reserve | 12 |
| Headroom | left for the OS and your other apps | 0.9 |
Pick your quant
| Quant | Download | Verdict | Speed |
|---|---|---|---|
| Q4_K_M BEST HERE | 9 GB | ! Runs, barely | ~4.2 tokens/s |
| Q5_K_M | 10.5 GB | ✕ Won't fit | won't fit |
| Q6_K | 12.1 GB | ✕ Won't fit | won't fit |
| Q8_0 | 15.7 GB | ✕ Won't fit | won't fit |
Get it running in 3 steps
1
Install PocketPal from the Play Store — free, no account needed.
2
Download "Qwen3 14B Q4_K_M" in the in-app model hub — 9 GB, use Wi-Fi. Search Hugging Face for
Qwen/Qwen3-14B-GGUF and pick the Q4_K_M file.3
Set context to 4K — expect ~4.2 tokens/s on this phone.
Related checks
MORE ON XPERIA 1 VIII
QWEN3 14B ON OTHER PHONES