Mobile / Phones

XiaomiPhone
15 Ultra
Released 2 March 2025.4Maker product pagemi.com/uk/support/terms/xiaomi-15-series-first-saleRead 5 October 2026UK first-sale terms: sale starts 2025-03-02 with exact RAM/storage configurations and stock-limited purchase offer. Date applies to represented international/UK G model, not earlier China hardware. Last checked 23 October 2026.
- Screen size
- 6.73in
- Chipset
- Qualcomm Snapdragon 8 Elite
- Main camera
- 50MP
- Rated battery capacity
- 5,270mAh
96 of 162 fields known.
At a glance
Wireless charging power
80W1Maker product pagemi.com/uk/product/xiaomi-15-ultra/specsRead 5 October 2026
Higher than 96% of other phones.
Maximum wired charging power (claimed)
Higher than 76% of other phones.
General
- Series
- Not available
- GTIN / EAN
- Not available
- Announced
- Not available
- Status
- Available4Maker product pagemi.com/uk/support/terms/xiaomi-15-series-first-saleRead 5 October 2026
- Predecessor
- Xiaomi 14 Ultra6Reviewnotebookcheck.net/Xiaomi-15-Ultra-review-Leica-powered-powerhouse.975197.0.htmlRead 23 October 2026Notebookcheck's review says the Xiaomi 15 Ultra follows the 14 Ultra and calls the 14 Ultra its predecessor.
- Successor
- Xiaomi 17 Ultra7Reviewnotebookcheck.net/Xiaomi-17-Ultra-review-Best-overall-package-in-the-smartphone-sector-meets-Leica-APO-zoom.1211793.0.htmlRead 23 October 2026Notebookcheck's review calls the Xiaomi 17 Ultra the successor to the Xiaomi 15 Ultra.
- Launch price (US)
- Not available
- Launch price (EU)
- Not available
- OS support period (claimed)
- Not available
- Security support period (claimed)
- Not available
- Security updates until
- Not available
Body
Front and side, drawn to scale.
- Thickness with camera bump
- Not available
- Folded dimensions
- Not available
- Front
- Xiaomi Shield Glass 2.02Maker product pagemi.com/uk/support/faq/details/KA-536389Read 5 October 2026
- Back
- Fiberglass composite2Maker product pagemi.com/uk/support/faq/details/KA-536389Read 5 October 2026Phone Body: Black/White glass fiber on Xiaomi 15 Ultra. Mixed leather finishes are excluded.
- Dust and water rating
- IP681Maker product pagemi.com/uk/product/xiaomi-15-ultra/specsRead 5 October 2026
- Water resistance depth
- 1.5m1Maker product pagemi.com/uk/product/xiaomi-15-ultra/specsRead 5 October 2026
- Water resistance time
- 30min1Maker product pagemi.com/uk/product/xiaomi-15-ultra/specsRead 5 October 2026
- MIL-STD-810
- Not available
- SIM capacity
- Nano-SIMs2Active eSIM capacity2eSIM onlyNo1Maker product pagemi.com/uk/product/xiaomi-15-ultra/specsRead 5 October 2026Two physical nano-SIMs. Supports two active eSIMs as an alternative to physical SIMs. Stored eSIM profile count is excluded.
- Stylus
- Not available
- Stylus name
- Not available
Display
- Screen size
- 6.73in(17.1 cm)1Maker product pagemi.com/uk/product/xiaomi-15-ultra/specsRead 5 October 2026
- Resolution
- 1440 × 3200px1Maker product pagemi.com/uk/product/xiaomi-15-ultra/specsRead 5 October 2026
- Pixel density
- 521.4ppi
- Aspect ratio
- Not available
- Display type (as published)
- AMOLED1Maker product pagemi.com/uk/product/xiaomi-15-ultra/specsRead 5 October 2026
- Max refresh rate
- 120Hz1Maker product pagemi.com/uk/product/xiaomi-15-ultra/specsRead 5 October 2026Up to 120 Hz in supported apps.
- Touch sampling rate
- 300Hz1Maker product pagemi.com/uk/product/xiaomi-15-ultra/specsRead 5 October 2026Up to the stated rate, actual rate depends on displayed content.
- Instant touch sampling
- Not available
- Display brightness (typical, claimed)
- Not available
- Outdoor brightness (claimed)
- 1,000nits2Maker product pagemi.com/uk/support/faq/details/KA-536389Read 5 October 2026Screen section identifies global HBM 1000 nits. Manual maximum (Typ) 800 nits is a manually adjusted maximum and is not stored as typical brightness.
- Peak display brightness (claimed)
- 3,200nits1Maker product pagemi.com/uk/product/xiaomi-15-ultra/specsRead 5 October 20263200 nits maker peak. Multi-scenario peak, window size is not stated.
- Minimum brightness
- 2nits2Maker product pagemi.com/uk/support/faq/details/KA-536389Read 5 October 2026
- Colour depth per channel
- 12bits2Maker product pagemi.com/uk/support/faq/details/KA-536389Read 5 October 2026
- DCI-P3 coverage
- Not available
- HDR playback formats
- HDR10+, Dolby Vision, HDR Vivid1Maker product pagemi.com/uk/product/xiaomi-15-ultra/specsRead 5 October 2026
- PWM dimming frequency
- 1,920Hz2Maker product pagemi.com/uk/support/faq/details/KA-536389Read 5 October 2026
- Always-on display
- Yes1Maker product pagemi.com/uk/product/xiaomi-15-ultra/specsRead 5 October 2026
- Front camera cutout
- Not available
- Cover screen size
- Not available
- Cover screen resolution
- Not available
- Cover screen refresh rate
- Not available
- Cover screen type
- Not available
Platform
- OS at launch
- Android 152Maker product pagemi.com/uk/support/faq/details/KA-536389Read 5 October 2026Operating System first-batch answer explicitly identifies Android 15.
- Software
- Xiaomi HyperOS 21Maker product pagemi.com/uk/product/xiaomi-15-ultra/specsRead 5 October 2026
- Latest stable OS (verified)
- Not available
- Chipset
- Qualcomm Snapdragon 8 Elite1Maker product pagemi.com/uk/product/xiaomi-15-ultra/specsRead 5 October 2026
- CPU configuration
Count Core Max clock (GHz) 2 Prime 4.32 6 Performance 3.53 - Max CPU clock
- 4.32GHz
- GPU
- Not available
- NPU performance
- Not available
Memory
- RAM
- 16GB1Maker product pagemi.com/uk/product/xiaomi-15-ultra/specsRead 5 October 2026Installed memory for the exact sold configuration. Virtual RAM extension is excluded.4Maker product pagemi.com/uk/support/terms/xiaomi-15-series-first-saleRead 5 October 2026Product table explicitly lists 16 GB + 512 GB.
- Storage (nominal)
- 512GB1Maker product pagemi.com/uk/product/xiaomi-15-ultra/specsRead 5 October 2026Nominal marketed decimal GB.4Maker product pagemi.com/uk/support/terms/xiaomi-15-series-first-saleRead 5 October 2026Exact product row, not an assumed arbitrary RAM/storage pairing.
- Storage type
- UFS 4.11Maker product pagemi.com/uk/product/xiaomi-15-ultra/specsRead 5 October 2026Manufacturer installed storage technology.
- Max card size
- Not available
Rear cameras
- Physical rear cameras
Role Resolution (MP) Aperture (f/) Focal length (35 mm equivalent) (mm) Sensor optical format OIS Field of view Sensor Main 50 1.63 23 1 inch Yes Not available LYT-900 Periscope telephoto 200 2.6 100 Not available Yes Not available Not available Telephoto 50 1.8 70 Not available Yes Not available Not available Ultrawide 50 2.2 14 Not available Not available 115° Not available - Number of rear cameras
- 4
- Main camera
- 50MP
- Longest physical-lens optical zoom
- Not available
- Maximum photo digital zoom
- 120×1Maker product pagemi.com/uk/product/xiaomi-15-ultra/specsRead 5 October 2026
- Flash
- Not available
- Camera features
- Not available
- Maximum rear video rate per resolution
Width (px) Height (px) Highest capture rate (fps) 7680 4320 30 3840 2160 120 1920 1080 1,920 1280 720 1,920 Source1Maker product pagemi.com/uk/product/xiaomi-15-ultra/specsRead 5 October 2026Maker specifications advertise rear 8K 30 fps, 4K 120 fps, 1080p 1920 fps slow motion and 720p 1920 fps slow motion. Native versus interpolated capture and lens scope for high slow-motion modes are not disclosed. Regular 1080p maximum 60 fps and 720p maximum 30 fps are distinct.5Maker product pagemi.com/uk/product/xiaomi-15-ultraRead 5 October 2026Overview 4K 120 fps section restricts 4K 120 fps to 23 mm main and 100 mm periscope telephoto cameras. Highest advertised 1920 fps slow-motion lens scope remains unpublished.- Max video resolution
- 7680 × 4320px
- Recorded video HDR formats
- Dolby Vision1Maker product pagemi.com/uk/product/xiaomi-15-ultra/specsRead 5 October 20265Maker product pagemi.com/uk/product/xiaomi-15-ultraRead 5 October 2026Overview says Dolby Vision video across all focal lengths.
- Video recording codecs
- Not available
- Video stabilisation
- Not available
- Maximum slow-motion capture rate
- Not available
Front camera
- Front cameras
Role Resolution (MP) Aperture (f/) Main 32 2 - Maximum front video rate per resolution
Width (px) Height (px) Highest capture rate (fps) 3840 2160 60 - Front autofocus
- Not available
Audio
- 3.5 mm jack
- Not available
- Audio features
- Hi-Res Audio, Hi-Res Audio Wireless, Dolby Atmos1Maker product pagemi.com/uk/product/xiaomi-15-ultra/specsRead 5 October 2026
Network
- 2G bands
- B2, B3, B5, B81Maker product pagemi.com/uk/product/xiaomi-15-ultra/specsRead 5 October 2026
- 3G bands
- B1, B2, B4, B5, B6, B8, B191Maker product pagemi.com/uk/product/xiaomi-15-ultra/specsRead 5 October 2026
- 4G bands
- B1, B2, B3, B4, B5, B7, B8, B12, B13, B17, B18, B19, B20, B25, B26, B28, B32, B66, B38, B39, B40, B41, B42, B48, B711Maker product pagemi.com/uk/product/xiaomi-15-ultra/specsRead 5 October 2026
- 5G bands
- n1, n2, n3, n5, n7, n8, n12, n20, n25, n26, n28, n38, n40, n41, n48, n66, n75, n77, n78, n71, n791Maker product pagemi.com/uk/product/xiaomi-15-ultra/specsRead 5 October 2026Exact international G model sold in the UK. SA and NSA lists are unioned without adding China-only bands.
- 5G mmWave
- Not available
- Maximum modem download rate
- Not available
Connectivity
- Wi-Fi bands
- Not available
- Bluetooth audio codecs
- SBC, AAC, aptX, aptX HD, aptX Adaptive, LDAC, LHDC 5.0, LC31Maker product pagemi.com/uk/product/xiaomi-15-ultra/specsRead 5 October 2026Bluetooth codec support, excluding playback-only file formats. ASHA and Auracast are not audio codecs.
- Ultra-wideband
- Not available
- Positioning
- GPS (L1+L5), Galileo (E1+E5a), GLONASS (G1), BeiDou, QZSS (L1+L5), NavIC (L5)1Maker product pagemi.com/uk/product/xiaomi-15-ultra/specsRead 5 October 2026Satellite signal bands only. Network/data/SAP positioning are excluded.
- Dual-frequency GNSS
- Yes1Maker product pagemi.com/uk/product/xiaomi-15-ultra/specsRead 5 October 2026
Features and sensors
- Fingerprint
- Ultrasonic, under-display1Maker product pagemi.com/uk/product/xiaomi-15-ultra/specsRead 5 October 2026
- Sensors
- Proximity sensor, Ambient light sensor, Accelerometer, Gyroscope, Electronic compass, Flicker sensor, Laser focus sensor, Barometer1Maker product pagemi.com/uk/product/xiaomi-15-ultra/specsRead 5 October 2026
- Extra buttons
- Not available
- Haptic motor
- X-axis linear vibration motor1Maker product pagemi.com/uk/product/xiaomi-15-ultra/specsRead 5 October 2026
Battery and charging
- Rated battery capacity
- 5,270mAh2Maker product pagemi.com/uk/support/faq/details/KA-536389Read 5 October 2026
- Battery capacity (typical)
- 5,410mAh1Maker product pagemi.com/uk/product/xiaomi-15-ultra/specsRead 5 October 2026
- Rated battery energy
- Not available
- Claimed battery life
- Not available
- Maximum wired charging power (claimed)
- 90W2Maker product pagemi.com/uk/support/faq/details/KA-536389Read 5 October 2026Battery charging-power answer names the handset maximum separately from the adapter output. Cable, remaining battery level and environment affect actual power.
- Wired charging standards
- Xiaomi HyperCharge, QC 3+, QC 3.0, QC 2.0, USB PD 3.0, USB PD 2.0, MI FC 2.01Maker product pagemi.com/uk/product/xiaomi-15-ultra/specsRead 5 October 2026Manufacturer-supported phone charging standards. The included-adapter rating is not inferred.
- Charge 0 to 50% (claimed)
- Not available
- Charge 0 to 100% (claimed)
- Not available
- Wireless charging
- Yes1Maker product pagemi.com/uk/product/xiaomi-15-ultra/specsRead 5 October 2026
- Wireless charging power
- 80W1Maker product pagemi.com/uk/product/xiaomi-15-ultra/specsRead 5 October 2026
- Wireless standards
- Proprietary1Maker product pagemi.com/uk/product/xiaomi-15-ultra/specsRead 5 October 2026
- Built-in alignment magnets
- Not available
- Reverse wireless output power
- Not available
- Reverse wired
- Not available
- Included adapter rated power
- Not available
Measured
We could not find any of these 9 fields. Show them
- Geekbench single-core
- Not available
- Geekbench multi-core
- Not available
- 3DMark Wild Life Extreme
- Not available
- AnTuTu
- Not available
- Display brightness (measured)
- Not available
- PWM dimming (measured)
- Not available
- Mixed-use battery life (measured)
- Not available
- Full charge time (measured)
- Not available
- Loudspeaker loudness (measured)
- Not available
EU label and regulatory
- EU energy class
- Not available
- Battery endurance per cycle (EU test)
- Not available
- Battery endurance in cycles (EU test)
- Not available
- Drop resistance class
- Not available
- Repairability class
- Not available
- SAR head (US)
- Not available
- SAR body (US)
- Not available
- Hearing aid compatibility
- Not available
In the box
- In the box
- Mobile Phone, USB Type-C Cable, SIM Eject Tool, Protective Case, Safety Information, Quick Start Guide and Warranty Card, Desiccant1Maker product pagemi.com/uk/product/xiaomi-15-ultra/specsRead 5 October 2026
Links
- Product page
- www.mi.com/uk/product/xiaomi-15-ultra1Maker product pagemi.com/uk/product/xiaomi-15-ultra/specsRead 5 October 2026
- Spec sheet
- www.mi.com/uk/product/xiaomi-15-ultra/specs1Maker product pagemi.com/uk/product/xiaomi-15-ultra/specsRead 5 October 2026
- Manual
- gl123.alsgp0.mi-fds.com/gl123/XIAOMI/O1_Xiaomi%2015%20Ultra/O1_QSG&WN%E5%8F%8ASI%E5%90%88%E5%86%8C%20%E6%AC%A7%E8%A7%8414%E8%AF%AD%E7%89%88_%E5%90%AB%E5%85%85%E4%B8%8D%E5%90%ABType-C%E7%89%88.pdf3Owner's manualgl123.alsgp0.mi-fds.com/gl123/XIAOMI/O1_Xiaomi%2015%20Ultra/O1_QSG&WN%E5%8F%8ASI%E5%90%88%E5%86%8C%20%E6%AC%A7%E8%A7%8414%E8%AF%AD%E7%89%88_%E5%90%AB%E5%85%85%E4%B8%8D%E5%90%ABType-C%E7%89%88.pdfRead 5 October 2026
- EPREL registration number
- Not available
Warranty
We could not find any of these 1 fields. Show them
- Manufacturer warranty (source market)
- Not available
Compare with
Pick a phone to see both side by side. Differences are marked yellow.
Sources
We read 7 sources for this phone. The numbers match the markers in the sheet.
- Maker product pagemi.com/uk/product/xiaomi-15-ultra/specs
- Maker product pagemi.com/uk/support/faq/details/KA-536389
- Maker product pagemi.com/uk/support/terms/xiaomi-15-series-first-sale
- Maker product pagemi.com/uk/product/xiaomi-15-ultra
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