Xiaomi 15 Ultra Review (2025): The Ultimate Flagship for Camera and Power Users
The Xiaomi 15 Ultra is the pinnacle of Xiaomi’s smartphone innovation in 2025. Targeted at pro photographers and power users, it features an advanced Leica camera system, lightning-fast Snapdragon 8 Gen 3 Elite processor, a premium LTPO AMOLED display, and a massive silicon-carbon battery with 90W fast charging. If you’re shopping for the best camera phone of 2025, this is a top contender.
Design & Display
The Xiaomi 15 Ultra comes with a 6.73″ WQHD+ LTPO AMOLED display offering a 1–120Hz variable refresh rate, Dolby Vision, and a peak brightness of 3,000 nits, making it one of the brightest smartphone screens in the world.
- Gorilla Glass Victus 2 protection
- DisplayMate A+ rated (source: DisplayMate)
Available in ceramic and vegan leather finishes, it combines aesthetics and durability with IP68-rated water/dust resistance.

Performance
Equipped with the Snapdragon 8 Gen 3 Elite, the 15 Ultra delivers top-tier Android performance:
- Snapdragon 8 Gen 3 details
- 12/16 GB LPDDR5X RAM, up to 1TB UFS 4.0 storage
- Advanced vapor chamber cooling system (IceLoop 2.0)
- HyperOS, based on Android 15, ensures smooth, clean, and responsive software experience.
Camera System: Co-Engineered with Leica
The camera setup is the device’s crown jewel — a quad-camera system built in collaboration with Leica.
- 50 MP main sensor (Sony LYT-900, 1”, f/1.6–f/4.0)
- 50 MP ultra-wide (122° field of view)
- 50 MP 3.2x telephoto
- 50 MP 5x periscope zoom, up to 120x digital AI zoom
Features:
- 8K video at 30 fps, 4K up to 120 fps
- LOG video, RAW capture, Dolby Vision support
- Leica Authentic & Vibrant modes
DxOMark ranked it among the top 3 smartphone cameras in 2025, praising its natural skin tones, excellent low-light detail, and dynamic range.

Battery & Charging
- 5,400 mAh silicon-carbon battery
- 90W wired charging (0–100% in ~30 minutes)
- 80W wireless charging via Xiaomi’s Wireless Charging Pad
- 10W reverse wireless charging
Real-world testing shows 1.5 to 2 days of battery life, ideal for heavy users.
Software & AI Features
Running HyperOS on Android 15, the phone includes:
- Circle to Search, powered by Google
- On-device AI editing, real-time transcription & translation
- AI scene recognition and camera tuning
- 4 years of major Android updates, 5 years of security patches (Xiaomi Update Policy)
Pros and Cons
Pros
- Best-in-class camera with Leica optics and AI zoom
- Ultra-bright 3,000-nit display with WQHD+ resolution
- Ultra-fast 90W wired and 80W wireless charging
- Powerful Snapdragon 8 Gen 3 + efficient cooling
- Premium build with ceramic or vegan leather + IP68 rating
Cons
- Large camera bump can impact grip and wireless charging alignment
- No official U.S. release (limited global availability)
- HyperOS includes pre-installed apps (bloatware)
- Premium pricing (~$1,299 / €1,399) puts it above mainstream flagships

Final Verdict
If you’re seeking the best Android smartphone for photography and all-day performance, the Xiaomi 15 Ultra is an elite option in 2025. With its Leica camera system, premium hardware, and HyperOS enhancements, it’s a flagship designed for users who demand the best.
Whether you’re comparing it to the Samsung Galaxy S25 Ultra or the Pixel 9 Pro, Xiaomi now has a serious claim to the throne of Android photography and flagship excellence.