Xiaomi 15 Ultra: SD 8 Elite, 12 Bit LTPO AMOLED for $X99

Xiaomi 15 Ultra Review: Flagship Redefined in 2025
Xiaomi 15 Ultra
The Xiaomi 15 Ultra (also searched as mi 15 ultra, xiaomi mi 15 ultra, and xiaomi15 ultra) is Xiaomi's most powerful and premium smartphone of 2025. Designed to compete directly with other high-end devices like the iPhone 16 Pro Max, Galaxy S25 Ultra, and Vivo X200 Pro, the 15 ultra is the true successor to the Xiaomi 14 Ultra and brings significant upgrades in design, performance, camera, and AI features.
Released in China on February 27, 2025, the xiaomi15ultra introduces a wave of innovation, making it one of the most exciting smartphones of the year.

Key Specifications of Xiaomi 15 Ultra
  • Release Date: February 27, 2025 (China)
  • Dimensions: 161.3 x 75.3 x 9.4 mm
  • Weight: 226g / 229g (two material options)
  • Display: 6.73-inch LTPO AMOLED, 120Hz refresh rate, 3200nits peak brightness
  • Processor: Snapdragon 8 Elite
  • Battery: 6000mAh with 90W wired, 80W wireless charging
  • Cameras: Quad rear cameras (50MP + 50MP + 200MP + 50MP), 32MP front camera
  • OS: HyperOS 2 (based on Android 15)
Design and Build Quality
The Xiaomi 15 Ultra has a premium feel, thanks to its aluminum alloy frame and sleek design. Although slightly thick at 9.4mm due to the massive battery and advanced camera system, it still offers excellent ergonomics.
Two back panel materials are available:
  • Glass Fiber Back
  • Silicon Polymer Back
The back also houses a large circular camera module that includes four powerful lenses, an IR sensor, a microphone, LED flash, and a ToF image sensor.
Color Options:
  • Black
  • White
  • Silver Chrome
  • Green
The phone features an ultrasonic fingerprint scanner, and its screen is protected by Xiaomi Shield Glass 2.0.

Display: Brilliant and Bright
The mi 15 ultra features a stunning 6.73-inch 2K 12-bit LTPO AMOLED display, capable of showcasing over 68 billion colors. It supports:
  • 120Hz adaptive refresh rate (1Hz to 120Hz)
  • 300Hz touch sampling rate
  • HDR10+, Dolby Vision, and HDR Vivid
  • 522ppi pixel density
  • 1920Hz PWM dimming
  • Peak brightness of 3200 nits
This is one of the brightest and most color-accurate displays available in 2025.

Performance and Storage
At its core, the xiaomi ultra 15 is powered by Qualcomm Snapdragon 8 Elite (also known as Snapdragon 8 Extreme Edition), based on a 3nm architecture by TSMC. It includes:
  • 2 x Cortex-X4 cores at 4.32 GHz
  • 6 x performance cores at 3.53 GHz
  • Adreno 830 GPU
  • LPDDR5X RAM
  • UFS 4.1 storage (up to 1TB)
Benchmark Scores:
  • Geekbench Single-Core: 3008
  • Geekbench Multi-Core: 9065
  • AnTuTu Score: 2,742,399
This makes the xiaomi mi 15 ultra one of the fastest smartphones on the market.

Software and AI Features
The Xiaomi 15 Ultra runs on HyperOS 2, based on Android 15. Users will benefit from 4 years of major updates and enhanced AI features that include:
  • Real-time AI assistant and search
  • AI-powered communication tools
  • Visual creativity tools
  • Advanced voice recognition
  • Live translation
  • AI Magic Painting
Connectivity is top-tier with Bluetooth 6.0 and WiFi 7 support.

Battery Life and Charging
The 15 ultra houses a massive 6000mAh Silicon-Carbon (Si-C) battery, capable of:
  • 90W wired fast charging
  • 80W wireless charging
  • 10W reverse wireless charging
With power efficiency enhancements and LTPO tech, video streaming can last up to 22.9 hours.

Camera Setup: Professional-Level Photography
One of the standout features of the xiaomi15ultra is its quad rear camera system, fine-tuned for flagship-level photography:
  • 50MP main sensor (Sony LYT-900, 1-inch sensor, OIS)
  • 50MP telephoto lens (3x zoom, Sony IMX858, OIS)
  • 200MP periscope lens (4.3x optical zoom, Samsung HP9, OIS)
  • 50MP ultra-wide lens (115° FOV)
The front camera is a 32MP OmniVision OV32B sensor capable of recording up to 4K at 60fps, while the rear cameras can record up to 8K at 30fps.

Xiaomi 15 Ultra Price in China
  • 12GB + 256GB: ¥6499 / $892 / €852
  • 16GB + 512GB: ¥6999 / $961 / €925
  • 16GB + 1TB: ¥7799 / $1071 / €1031
These prices position the xiaomi15 ultra competitively against other 2025 flagships, delivering more power and innovation at a compelling price point.

Final Verdict
The Xiaomi 15 Ultra is not just a smartphone—it's a flagship experience. With the Snapdragon 8 Elite processor, stunning 2K AMOLED display, massive battery, and pro-grade camera system, the xiaomi mi 15 ultra sets a new benchmark in the premium smartphone segment for 2025.
If you're looking for a cutting-edge device with powerful specs and future-ready features, the xiaomi ultra 15 is definitely worth considering.