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Xiaomi Xiaomi 14 Ultra vs Xiaomi Xiaomi 15 Ultra

Every spec side by side, from each maker's published figures.

Better figure, where one is clearly better

XiaomiXiaomi 14 UltraXiaomiXiaomi 15 Ultra
Overview
ReleasedFebruary 2024February 2025
Display
Screen size6.73″6.73″
Resolution3200 × 14403200 × 1440
Sharpness521 pixels per inch521 pixels per inch
PanelLTPO OLEDLTPO OLED
Refresh rate120 Hz120 Hz
Peak brightness3,000 nits3,200 nits
Display typeAll Around Liquid Display; WQHD+ AMOLED, Xiaomi-custom C8 panel and LTPO AdaptiveSync ProWQHD+ LTPO AMOLED with 1–120 Hz adaptive refresh, 68 billion colours and DCI-P3; All Around Liquid Display glass curves around the edges
Pixel density522 ppi522 ppi
Brightness detail1,000 nits HBM typical; 3,000 nits peak3,200 nits multi-scenario peak brightness
Always-on display–Always-active Display with 2–80 nits adaptive brightness and refresh as low as 1 Hz
Screen protectionXiaomi Shield GlassXiaomi Shield Glass 2.0; camera surround protected by Corning Gorilla Glass 7i
Display features1–120 Hz dynamic refresh; touch sampling up to 240 Hz; Dolby Vision, HDR10+, UltraHDR, DCI-P3, TrueColor, DC dimming and 1,920 Hz PWM dimmingDC dimming at high brightness, 1,920 Hz PWM dimming at low brightness, 300 Hz touch sampling, Original Colour PRO, Pro HDR, wet touch, HDR10+, Dolby Vision and TÜV low-blue-light, flicker-free and circadian-friendly certifications
Performance
ChipSnapdragon 8 Gen 3Qualcomm Snapdragon 8 Elite
Memory16 GB16 GB
Storage512 GB512 GB, 1 TB
CPUEight cores; 1× X4-based up to 3.3 GHz, 3× A720-based up to 3.2 GHz, 2× A720-based up to 3.0 GHz and 2× A520-based up to 2.3 GHzSecond-generation TSMC 3 nm Qualcomm Oryon CPU; two prime cores up to 4.32 GHz and six performance cores up to 3.53 GHz
GPUQualcomm Adreno GPUQualcomm Adreno GPU; maker gives no numeric suffix
AI engine–Qualcomm AI engine; maker states 80 TOPS computing power
Storage typeLPDDR5X 8,533 Mbps RAM and UFS 4.0 storage; UK configuration 16 GB + 512 GBLPDDR5X RAM at 8,533 Mbps and UFS 4.1 storage; UK 16 GB/512 GB or 16 GB/1 TB
CoolingXiaomi Dual-Channel IceLoop systemXiaomi 3D Dual-Channel IceLoop system with 5,100 mm² overall loop heat-pipe area
Cameras
Main camera50 MP50 MP
Ultra wide camera50 MP50 MP
Telephoto camera50 MP200 MP
Optical zoom5×4.3×
Front camera32 MP32 MP
Main cameraLeica LYT-900, 50 MP, one-inch sensor, 3.2 µm four-in-one pixels, 23 mm equivalent, f/1.63–f/4.0 stepless variable aperture, 8P lens, ALD coating, autofocus and OISLeica Summilux, Sony LYT-900, 50 MP, f/1.63 fixed aperture, 1-inch sensor, 23 mm equivalent focal length, eight-element lens, 4-axis OIS and 4-in-1 binning to 3.2 µm pixels
Ultra wide cameraLeica IMX858, 50 MP, 12 mm equivalent, f/1.8, 122° field of view, 7P lens and autofocus; 5 cm macro focusLeica 50 MP, f/2.2, 14 mm equivalent focal length, 115° field of view, six-element lens, 1.28 µm binned pixels and macro focusing from 5 cm
Telephoto cameraLeica IMX858 floating telephoto, 50 MP, 75 mm equivalent, f/1.8, 6P lens, autofocus and OIS; 10 cm macro focusLeica 200 MP periscope, f/2.6, OIS, 100 mm equivalent focal length, 1/1.4-inch sensor and 2.24 µm binned pixels; second floating telephoto is 50 MP, f/1.8, OIS, 70 mm equivalent focal length, 1.4 µm binned pixels and macro focusing from 10 cm
Second telephoto cameraLeica IMX858 periscope, 50 MP, 120 mm equivalent, f/2.5, autofocus and OIS; 30 cm macro focus–
Front camera32 MP, f/2.0, 1/3.14-inch sensor and 90° field of viewOmniVision OV32B, 32 MP, f/2.0, 21 mm equivalent focal length and 90° field of view
Zoom3.2× and 5× optical telephoto cameras (TechAdvisor); maker specifies 75 mm and 120 mm equivalent focal lengths and digital zoom up to 120×3× floating telephoto and 4.3× periscope optical ratios identified by Tech Advisor and TechRadar; maker lists 23/70/100 mm focal lengths and up to 120× digital zoom
Video recording8K at 30 fps; 4K at 24, 30, 60 or 120 fps; Dolby Vision up to 4K 60 fps; HDR up to 4K 30 fps; LOG recording and Director mode8K at 30 fps; 4K at 30/60/120 fps; Full HD at 30/60 fps; HD at 30 fps; Dolby Vision and 4K60 10-bit log across focal lengths; 4K120 on main/periscope; slow motion HD or Full HD at 120/240/480/960/1,920 fps
Front video4K or 1080p at 30 or 60 fps; Dolby Vision up to 4K 30 fps; electronic stabilisation4K or Full HD at 30/60 fps, HD at 30 fps; Dolby Vision video, teleprompter, slow motion selfie and time-lapse selfie
Camera featuresLeica Authentic and Vibrant styles; Master-lens portrait system; Xiaomi ProFocus; Lightning Burst; DNG, HEIF and JPEG; UltraRAW up to 16-bit data collection13-channel multispectral sensor, Leica Authentic and Vibrant styles, Leica filters, ProFocus motion and eye tracking, Lightning Burst, Dynamic Shots, master portraits from 23–135 mm, 50/200 MP modes, macro, Fastshot, Supermoon, RAW/DNG/HEIF/JPEG, 16-bit UltraRAW, Movie mode, ShootSteady, Dual Video and Ultra Night Video; Photography Kit Legend Edition sold separately
Battery and charging
Battery5,000 mAh5,410 mAh
Wired chargingUp to 90 WUp to 90 W
Wireless chargingUp to 80 WUp to 80 W
Battery life detail5,000 mAh typical UK battery; Xiaomi Surge charging and battery management chipsets5,410 mAh typical UK Xiaomi Surge Battery; maker laboratory claim of up to 25 hours video playback; Surge P3 charging and G2 battery-management chips
Wired charging90 W HyperCharge; maker claims 33 minutes to full in Boost mode under laboratory conditions90 W HyperCharge; QC3+, QC3.0, QC2.0, PD3.0, PD2.0 and MI FC 2.0; separate Xiaomi 90 W adaptor recommended
Wireless charging80 W wireless HyperCharge; maker claims 46 minutes to full in Boost mode under laboratory conditions; wireless charger sold separately80 W wireless HyperCharge; compatible wireless charger sold separately
Charges other devicesReverse wireless charging; maker UK table does not publish wattage–
Design
TypeStandardStandard
Weight219.8 g226 g
Thickness9.2 mm9.35 mm
Height × width161.4 × 75.3 mm161.3 × 75.3 mm
Water and dust resistanceIP68IP68
Materials6M42 aluminium frame, Xiaomi Shield Glass and vegan leather rear6M42 high-strength aluminium frame; maker confirms Silver Chrome glass fibre and PU leather; Tech Advisor identifies glass-fibre backs on Black/White
ColoursBlack and White (UK)Black, White and Silver Chrome; main dimensions and weight are for Black/White, while Silver Chrome is 9.48 mm thick and weighs 229 g
Water resistance detailIP68; maker tests static fresh water up to 1.5 m for 30 minutes with water/device temperature difference at most 5 KIP68; maker test in static freshwater at 1.5 m for 30 minutes with temperature difference no greater than 5 K; resistance can decline with wear; separate photography kit system rated IP54
BiometricsIn-screen fingerprint sensor and AI face unlockUltrasonic in-display fingerprint reader and AI Face Unlock
SensorsProximity, ambient light, accelerometer, gyroscope, compass, infrared blaster, barometer, flicker sensor, X-axis linear vibration motor and laser autofocusProximity, ambient light, accelerometer, gyroscope, electronic compass, IR blaster, laser autofocus, barometer and flicker sensor; X-axis linear vibration motor
SpeakersStereo speakers; Dolby Atmos; Hi-Res and Hi-Res Audio Wireless certificationStereo speakers, Dolby Atmos, Hi-Res Audio and Hi-Res Wireless Audio
MicrophonesFour-microphone arrayFour-microphone array with directional/omnidirectional recording and Audio Zoom
Software
Operating systemAndroidAndroid
Software at launchXiaomi HyperOS based on Android 14 (TechAdvisor; UK maker table names HyperOS without an Android version)Xiaomi HyperOS 2; Android 15 confirmed by Tech Advisor and TechRadar
Software updates–Four Android version upgrades and six years of security updates reported at launch by Tech Advisor and TechRadar
AI features–Regional HyperAI writing, speech recognition, interpreter, search, dynamic wallpapers, creativity and image-editing tools, Google Gemini and Circle to Search; applicable features require internet access and updates
In the boxPhone, power adapter, USB-C cable, SIM ejector, protective case, quick start guide, warranty card and safety information; maker notes regional differencesPhone, USB-C cable, SIM tool, protective case, safety information, quick-start guide, warranty card and desiccant; standard UK box excludes adaptor
Connectivity
Mobile network5G and 4G; 4×4 MIMO5G SA/NSA, LTE, UMTS and GSM; 4×4 MIMO; Xiaomi Surge T1/T1S tuners and antenna array
SIMDual nano-SIM; availability depends on regionDual nano-SIM, nano-SIM plus eSIM or dual eSIM; eSIM depends on region and carrier
Wi-FiWi-Fi 7 capable; FastConnect 7800, 2×2 MIMO and Multi-Link Operation. Standards and bands depend on regional availability and network support, with features potentially enabled by OTA.Wi-Fi 7/6E/6 capability depends on region and network; dual-band simultaneous operation, 2×2 MIMO, 8×8 sounding for MU-MIMO, Wi-Fi Direct and Miracast
BluetoothBluetooth 5.4, dual Bluetooth; SBC, AAC, aptX, aptX HD, aptX Adaptive, LDAC and LHDC 5.0Bluetooth 6.0, Dual-Bluetooth; SBC, AAC, aptX, aptX HD, aptX Adaptive, LDAC, LHDC 5.0 and LC3
NFCYesSupported
USBUSB-C, USB 3.2 Gen 2USB-C, USB 3.2 Gen 2
PositioningGPS L1/L5, Galileo E1/E5a, GLONASS, BeiDou and NavIC L5; assisted GPSGPS L1/L5, Galileo E1/E5a, GLONASS G1, BeiDou, QZSS L1/L5 and NavIC L5; assisted positioning

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