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Xiaomi Xiaomi 15 Ultra vs Xiaomi Xiaomi 17

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

Better figure, where one is clearly better

XiaomiXiaomi 15 UltraXiaomiXiaomi 17
Overview
ReleasedFebruary 2025February 2026
Display
Screen size6.73″6.3″
Resolution3200 × 14402656 × 1220
Sharpness521 pixels per inch464 pixels per inch
PanelLTPO OLEDOLED
Refresh rate120 Hz120 Hz
Peak brightness3,200 nits3,500 nits
Display typeWQHD+ LTPO AMOLED with 1–120 Hz adaptive refresh, 68 billion colours and DCI-P3; All Around Liquid Display glass curves around the edges6.3-inch CrystalRes OLED
Pixel density522 ppi460 ppi
Brightness detail3,200 nits multi-scenario peak brightness3,500 nits multi-scenario peak brightness
Always-on displayAlways-active Display with 2–80 nits adaptive brightness and refresh as low as 1 Hz–
Screen protectionXiaomi Shield Glass 2.0; camera surround protected by Corning Gorilla Glass 7iXiaomi Shield Glass
Display featuresDC 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 certifications1–120 Hz refresh; 12-bit colour depth; DCI-P3; HDR10+ and Dolby Vision; up to 300 Hz touch sampling; wet touch; TÜV Rheinland Low Blue Light, Flicker Free and Circadian Friendly certified
Performance
ChipQualcomm Snapdragon 8 EliteSnapdragon 8 Elite Gen 5
Memory16 GB12 GB
Storage512 GB, 1 TB256 GB, 512 GB
CPUSecond-generation TSMC 3 nm Qualcomm Oryon CPU; two prime cores up to 4.32 GHz and six performance cores up to 3.53 GHz2 prime cores up to 4.6 GHz and 6 performance cores up to 3.62 GHz; 3 nm
GPUQualcomm Adreno GPU; maker gives no numeric suffixAdreno GPU
AI engineQualcomm AI engine; maker states 80 TOPS computing powerQualcomm AI Engine
Storage typeLPDDR5X RAM at 8,533 Mbps and UFS 4.1 storage; UK 16 GB/512 GB or 16 GB/1 TBUFS 4.1; LPDDR5X RAM
CoolingXiaomi 3D Dual-Channel IceLoop system with 5,100 mm² overall loop heat-pipe areaXiaomi 3D IceLoop system
Cameras
Main camera50 MP50 MP
Ultra wide camera50 MP50 MP
Telephoto camera200 MP50 MP
Optical zoom4.3×2.6×
Front camera32 MP50 MP
Main cameraLeica 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 pixels50 MP Light Fusion 950, 1/1.31-inch sensor, ƒ/1.67, 23 mm equivalent, OIS
Ultra wide cameraLeica 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 cm50 MP OV50M, ƒ/2.4, 17 mm equivalent, 102° field of view
Telephoto cameraLeica 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 cm50 MP Samsung JN5 floating telephoto, ƒ/2.0, 60 mm equivalent, OIS; focuses down to 10 cm
Front cameraOmniVision OV32B, 32 MP, f/2.0, 21 mm equivalent focal length and 90° field of view50 MP OV50M, ƒ/2.2, 21 mm equivalent, autofocus
Zoom3× 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 zoom2.6× optical telephoto; digital zoom up to 60×
Video 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 fps8K at 30 fps; 4K Dolby Vision at 30 or 60 fps; Log up to 4K 60 fps
Front video4K or Full HD at 30/60 fps, HD at 30 fps; Dolby Vision video, teleprompter, slow motion selfie and time-lapse selfie4K at 30 or 60 fps; Dolby Vision
Camera features13-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 separatelyLeica Authentic and Vibrant looks; ProFocus subject tracking; Lightning Burst; telephoto macro
Battery and charging
Battery5,410 mAh6,330 mAh
Video playback (maker's claim)–Up to 29.2 hours
Wired chargingUp to 90 WUp to 100 W
Wireless chargingUp to 80 WUp to 50 W
Battery life detail5,410 mAh typical UK Xiaomi Surge Battery; maker laboratory claim of up to 25 hours video playback; Surge P3 charging and G2 battery-management chips6,330 mAh typical Xiaomi Surge silicon-carbon battery; up to 29.2 hours video playback in Xiaomi's test
Wired charging90 W HyperCharge; QC3+, QC3.0, QC2.0, PD3.0, PD2.0 and MI FC 2.0; separate Xiaomi 90 W adaptor recommended100 W HyperCharge; QC and USB PD supported; power adapter not included
Wireless charging80 W wireless HyperCharge; compatible wireless charger sold separately50 W wireless HyperCharge; charger sold separately
Charges other devices–22.5 W wired reverse charging
Design
TypeStandardStandard
Weight226 g191 g
Thickness9.35 mm8.06 mm
Height × width161.3 × 75.3 mm151.1 × 71.8 mm
Water and dust resistanceIP68IP68
Materials6M42 high-strength aluminium frame; maker confirms Silver Chrome glass fibre and PU leather; Tech Advisor identifies glass-fibre backs on Black/WhiteAluminium frame
ColoursBlack, White and Silver Chrome; main dimensions and weight are for Black/White, while Silver Chrome is 9.48 mm thick and weighs 229 gAlpine Pink, Ice Blue, Black, Venture Green
Water resistance detailIP68; 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 IP54IP68; tested in static fresh water up to 4 m for 30 minutes
BiometricsUltrasonic in-display fingerprint reader and AI Face UnlockUltrasonic in-screen fingerprint sensor; AI face unlock
SensorsProximity, ambient light, accelerometer, gyroscope, electronic compass, IR blaster, laser autofocus, barometer and flicker sensor; X-axis linear vibration motorProximity, ambient light, accelerometer, gyroscope, compass, IR blaster, flicker, laser focus, barometer and Hall sensors
SpeakersStereo speakers, Dolby Atmos, Hi-Res Audio and Hi-Res Wireless AudioStereo speakers; Dolby Atmos
MicrophonesFour-microphone array with directional/omnidirectional recording and Audio ZoomFour microphones
Software
Operating systemAndroidAndroid
Software at launchXiaomi HyperOS 2; Android 15 confirmed by Tech Advisor and TechRadarXiaomi HyperOS 3
Software updatesFour Android version upgrades and six years of security updates reported at launch by Tech Advisor and TechRadar–
AI featuresRegional 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 updatesXiaomi HyperAI; Circle to Search with Google; Google Gemini
In the boxPhone, USB-C cable, SIM tool, protective case, safety information, quick-start guide, warranty card and desiccant; standard UK box excludes adaptorPhone, USB-C cable, SIM eject tool, protective case, safety information, quick start guide and warranty card; no power adapter
Connectivity
Mobile network5G SA/NSA, LTE, UMTS and GSM; 4×4 MIMO; Xiaomi Surge T1/T1S tuners and antenna array5G and 4G LTE; 4×4 MIMO
SIMDual nano-SIM, nano-SIM plus eSIM or dual eSIM; eSIM depends on region and carrierDual nano-SIM, nano-SIM plus eSIM, or dual eSIM; availability depends on region and network
Wi-FiWi-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 MiracastWi-Fi 7; Multi-Link Operation; 2×2 MIMO
BluetoothBluetooth 6.0, Dual-Bluetooth; SBC, AAC, aptX, aptX HD, aptX Adaptive, LDAC, LHDC 5.0 and LC3Bluetooth 6.0; SBC, AAC, aptX, aptX HD, aptX Adaptive, LDAC, LHDC 5.0, LC3 and MIHC
NFCSupportedYes
USBUSB-C, USB 3.2 Gen 2USB-C, USB 3.2 Gen 1
PositioningGPS L1/L5, Galileo E1/E5a, GLONASS G1, BeiDou, QZSS L1/L5 and NavIC L5; assisted positioningDual-band GPS, Galileo, GLONASS, BeiDou, QZSS and NavIC

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