Launch report · Xiaomi
Xiaomi 15T: Dimensity 8400-Ultra value flagship with Leica triple cam.
SpecEagle Editorial·Sep 2025·$649·Score 84/100
15T brought Leica-tuned triple cameras and the surprisingly powerful Dimensity 8400-Ultra to $649 — Xiaomi's T-line continuing to be the global value answer to the company's pricier mainline flagships.
Key specs at launch
Display
6.83" 1.5K AMOLED 144Hz
Chipset
MediaTek Dimensity 8400-Ultra
RAM
12 GB
Storage
256/512 GB
Battery
5500 mAh, 67W + 50W wireless
Main camera
50 MP Sony Lytia 800 + 50 MP 2x tele + 12 MP UW, Leica
Weight
194 g
What stands out
- Leica Summilux triple cam at $649
- 144Hz + 50W wireless + IP68
- Dimensity 8400-Ultra punches above price
What to watch
- No periscope at this price
- HyperOS 2 still settling
- No 3.5 mm jack