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Xiaomi Xiaomi 15 Ultra vs Xiaomi Xiaomi 17 Ultra

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

Better figure, where one is clearly better

XiaomiXiaomi 15 UltraXiaomiXiaomi 17 Ultra
Overview
ReleasedFebruary 2025March 2026
Display
Screen size6.73″6.9″
Resolution3200 × 14402608 × 1200
Sharpness521 pixels per inch416 pixels per inch
PanelLTPO OLEDLTPO OLED
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 edges6.9-inch Xiaomi HyperRGB OLED display, 2608 × 1200
Pixel density522 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 3.0
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; touch sampling up to 300 Hz; DCI-P3; 12-bit colour depth; eye-care DC dimming; HDR10+ and Dolby Vision; wet touch; TÜV Rheinland Low Blue Light (hardware), Flicker Free and Circadian Friendly certified
Performance
ChipQualcomm Snapdragon 8 EliteSnapdragon 8 Elite Gen 5
Memory16 GB16 GB
Storage512 GB, 1 TB512 GB, 1 TB
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 power–
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 Dual-Channel IceLoop system
Cameras
Main camera50 MP50 MP
Ultra wide camera50 MP50 MP
Telephoto camera200 MP200 MP
Optical zoom4.3×4.3×
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 1050L, 1″ sensor, 3.2 µm 4-in-1 pixels, ƒ/1.67, 23 mm equivalent, OIS; Leica Summilux lens
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 Samsung JN5, 1/2.75″ sensor, ƒ/2.2, 14 mm equivalent, 115° 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 cm200 MP Samsung HPE, 1/1.4″ sensor, 2.24 µm 16-in-1 pixels, ƒ/2.39–ƒ/2.96, 75–100 mm equivalent continuous optical zoom, OIS
Front cameraOmniVision OV32B, 32 MP, f/2.0, 21 mm equivalent focal length and 90° field of view50 MP OV50M, 1/2.87″ sensor, ƒ/2.2, 21 mm equivalent, 90° field of view, 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 zoomContinuous optical zoom from 75 to 100 mm (about 3.2× to 4.3× the 23 mm main camera); digital zoom up to 120×
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, 60 or 120 fps; Log up to 4K 120 fps with ACES; slow motion up to 1080p 1,920 fps; ShootSteady up to 2.8K 60 fps; night video up to 4K 24 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 Dolby Vision at 30 or 60 fps; 1080p Dolby Vision at 30 or 60 fps; slow motion up to 1080p 120 fps
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; Xiaomi ProFocus; Lightning Burst; 200 MP telephoto mode; Super Macro; Live Cinematography; four-microphone array; laser focus and flicker sensors
Battery and charging
Battery5,410 mAh6,000 mAh
Wired chargingUp to 90 WUp to 90 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 chips–
Wired charging90 W HyperCharge; QC3+, QC3.0, QC2.0, PD3.0, PD2.0 and MI FC 2.0; separate Xiaomi 90 W adaptor recommended90 W HyperCharge; QC3+, PD3.0 and 90 W PPS (charger not included)
Wireless charging80 W wireless HyperCharge; compatible wireless charger sold separately50 W wireless HyperCharge (charger sold separately)
Design
TypeStandardStandard
Weight226 g218.4 g
Thickness9.35 mm8.29 mm
Height × width161.3 × 75.3 mm162.9 × 77.6 mm
Water and dust resistanceIP68IP68
Stylus–No
Materials6M42 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 Silver Chrome; main dimensions and weight are for Black/White, while Silver Chrome is 9.48 mm thick and weighs 229 gBlack, White, Starlit Green (Starlit Green weighs 219 g)
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 fresh water up to 6 m deep for up to 30 minutes; not advised for beach or pool use
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, electronic compass, IR blaster, flicker, laser focus, barometer, Hall; X-axis linear vibration motor
SpeakersStereo speakers, Dolby Atmos, Hi-Res Audio and Hi-Res Wireless AudioStereo speakers; Dolby Atmos; Hi-Res and Hi-Res Audio Wireless
MicrophonesFour-microphone array with directional/omnidirectional recording and Audio Zoom–
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 (AI Writing, AI Speech Recognition, AI Interpreter, AI Search); 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 charger)
Connectivity
Satellite messaging–No
Mobile network5G SA/NSA, LTE, UMTS and GSM; 4×4 MIMO; Xiaomi Surge T1/T1S tuners and antenna array5G SA and NSA; 4G LTE; 4×4 MIMO
SIMDual nano-SIM, nano-SIM plus eSIM or dual eSIM; eSIM depends on region and carrierNano-SIM + nano-SIM, nano-SIM + eSIM, or dual eSIM
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 with 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, Dual-Bluetooth; SBC, AAC, aptX, aptX HD, aptX Adaptive, LDAC, LHDC 5.0, LC3 and MIHC
NFCSupportedYes
USBUSB-C, USB 3.2 Gen 2–
PositioningGPS L1/L5, Galileo E1/E5a, GLONASS G1, BeiDou, QZSS L1/L5 and NavIC L5; assisted positioningGPS (L1+L5), Galileo (E1+E5a), GLONASS (G1), Beidou, QZSS (L1+L5), NavIC (L5)

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