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Xiaomi Xiaomi 14 vs Xiaomi Xiaomi 15 Ultra

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

Better figure, where one is clearly better

XiaomiXiaomi 14XiaomiXiaomi 15 Ultra
Overview
ReleasedOctober 2023February 2025
Display
Screen size6.36″6.73″
Resolution2670 × 12003200 × 1440
Sharpness460 pixels per inch521 pixels per inch
PanelLTPO OLEDLTPO OLED
Refresh rate120 Hz120 Hz
Peak brightness3,000 nits3,200 nits
Display type1.5K AMOLED with LTPO AdaptiveSync Pro; Xiaomi-custom C8 panelWQHD+ LTPO AMOLED with 1–120 Hz adaptive refresh, 68 billion colours and DCI-P3; All Around Liquid Display glass curves around the edges
Pixel density460 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 protection–Xiaomi 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+, Pro HDR, DCI-P3, TrueColor and DC 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
Memory12 GB16 GB
Storage256 GB, 512 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; UFS 4.0 storage; UK configurations 12 GB + 256 GB and 12 GB + 512 GBLPDDR5X RAM at 8,533 Mbps and UFS 4.1 storage; UK 16 GB/512 GB or 16 GB/1 TB
CoolingXiaomi 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 zoom3.2×4.3×
Front camera32 MP32 MP
Main cameraLeica Light Fusion 900, 50 MP, 1/1.31-inch sensor, f/1.6, 23 mm equivalent, 2.4 µm four-in-one pixels, 7P lens, 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 50 MP, f/2.2, 14 mm equivalent, 115° field of view, 6P lens; fixed focus (Trusted Reviews)Leica 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 75 mm floating telephoto, f/2.0, autofocus and OIS; focuses down to 10 cm. Maker specifies 50 MP total pixels in Portrait mode and 32 MP actual pixels in Photo mode.Leica 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
Front camera32 MP, f/2.0, 0.7 µm pixels, 89.6° field of view, 5P lens; fixed focus (Trusted Reviews)OmniVision OV32B, 32 MP, f/2.0, 21 mm equivalent focal length and 90° field of view
ZoomMaker overview labels the 75 mm telephoto as 3.2×; digital zoom up to 60×3× 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 24 fps; 4K at 24, 30 or 60 fps; 1080p at 30 or 60 fps; Dolby Vision HDR up to 4K 60 fps; LOG recording8K 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 HDR up to 1080p 30 fps4K 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 photographic styles; Master-lens portrait system; Xiaomi ProFocus; Lightning Burst; RAW DNG, HEIF and JPEG13-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
Battery4,610 mAh5,410 mAh
Wired chargingUp to 90 WUp to 90 W
Wireless chargingUp to 50 WUp to 80 W
Battery life detail4,610 mAh typical; 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 31 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 charging50 W wireless HyperCharge; maker claims 46 minutes to full under laboratory conditions; wireless charger sold separately80 W wireless HyperCharge; compatible wireless charger sold separately
Charges other devicesReverse wireless charging; maker UK specification does not publish its wattage–
Design
TypeStandardStandard
Weight193 g226 g
Thickness8.2 mm9.35 mm
Height × width152.8 × 71.5 mm161.3 × 75.3 mm
Water and dust resistanceIP68IP68
MaterialsAluminium sides and glass rear (Trusted Reviews)6M42 high-strength aluminium frame; maker confirms Silver Chrome glass fibre and PU leather; Tech Advisor identifies glass-fibre backs on Black/White
ColoursBlack, White and Jade Green (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 and X-axis linear vibration motorProximity, 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 (Trusted Reviews; 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, protective case, quick start guide, warranty card, SIM ejector 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 or nano-SIM plus eSIM; eSIM depends on region and carrierDual 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 local 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; 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 1USB-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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