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Xiaomi Mi 11 Ultra vs Xiaomi Xiaomi 17

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

Better figure, where one is clearly better

XiaomiMi 11 UltraXiaomiXiaomi 17
Overview
ReleasedApril 2021February 2026
Display
Screen size6.81″6.3″
Resolution3200 × 14402656 × 1220
Sharpness515 pixels per inch464 pixels per inch
PanelOLEDOLED
Refresh rate120 Hz120 Hz
Peak brightness1,700 nits3,500 nits
Display typeQuad-curved AMOLED with Gorilla Glass Victus; rear 1.1-inch AMOLED display (Tech Advisor).6.3-inch CrystalRes OLED
Pixel density–460 ppi
Brightness detail–3,500 nits multi-scenario peak brightness
Screen protection–Xiaomi Shield Glass
Display features900 nits high-brightness mode, 480 Hz touch sampling, 10-bit colour, Dolby Vision and HDR10+.1–120 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 888Snapdragon 8 Elite Gen 5
Memory12 GB12 GB
Storage256 GB256 GB, 512 GB
CPUSnapdragon 888, 5 nm process and Kryo 680 up to 2.84 GHz.2 prime cores up to 4.6 GHz and 6 performance cores up to 3.62 GHz; 3 nm
GPUAdreno 660.Adreno GPU
AI engine–Qualcomm AI Engine
Storage typeLPDDR5 and UFS 3.1; no microSD expansion (TechRadar).UFS 4.1; LPDDR5X RAM
Cooling–Xiaomi 3D IceLoop system
Cameras
Main camera50 MP50 MP
Ultra wide camera48 MP50 MP
Telephoto camera48 MP50 MP
Optical zoom5×2.6×
Front camera20 MP50 MP
Main cameraf/1.95, 1/1.12-inch Samsung GN2 sensor, optical stabilisation and four-pixel binning to 2.8 µm; Dual Pixel Pro and laser focus.50 MP Light Fusion 950, 1/1.31-inch sensor, ƒ/1.67, 23 mm equivalent, OIS
Ultra wide cameraf/2.2, 128° field of view and phase-detection autofocus; maker overview lists a 1/2-inch sensor and 12 mm equivalent focal length.50 MP OV50M, ƒ/2.4, 17 mm equivalent, 102° field of view
Telephoto cameraPeriscope with OIS and 5× optical zoom; f/4.1 aperture (Tech Advisor). 10× hybrid and 120× digital zoom are separate. Maker overview lists a 1/2-inch sensor and 120 mm equivalent focal length.50 MP Samsung JN5 floating telephoto, ƒ/2.0, 60 mm equivalent, OIS; focuses down to 10 cm
Front camera–50 MP OV50M, ƒ/2.2, 21 mm equivalent, autofocus
Zoom–2.6× optical telephoto; digital zoom up to 60×
Video recordingAll three rear cameras support 8K at 24 fps and 4K at 30/60 fps.8K at 30 fps; 4K Dolby Vision at 30 or 60 fps; Log up to 4K 60 fps
Front video1080p at 30/60 fps; f/2.2 selfie aperture (Tech Advisor).4K at 30 or 60 fps; Dolby Vision
Camera featuresRear display can frame main-camera selfies; night and movie-effect modes. Reviewers disagree about the ultra-wide results.Leica Authentic and Vibrant looks; ProFocus subject tracking; Lightning Burst; telephoto macro
Battery and charging
Battery5,000 mAh6,330 mAh
Video playback (maker's claim)–Up to 29.2 hours
Wired chargingUp to 67 WUp to 100 W
Wireless chargingUp to 67 WUp to 50 W
Battery life detail5,000 mAh typical, 4,900 mAh minimum.6,330 mAh typical Xiaomi Surge silicon-carbon battery; up to 29.2 hours video playback in Xiaomi's test
Wired chargingUK 67 W charger included; Tech Advisor's Indian unit information instead describes a 55 W bundled charger.100 W HyperCharge; QC and USB PD supported; power adapter not included
Wireless charging67 W wireless and 10 W reverse wireless charging; Tech Advisor did not test the maximum wireless rate.50 W wireless HyperCharge; charger sold separately
Charges other devices–22.5 W wired reverse charging
Design
TypeStandardStandard
Weight234 g191 g
Thickness8.38 mm8.06 mm
Height × width164.3 × 74.6 mm151.1 × 71.8 mm
Water and dust resistanceIP68IP68
MaterialsCeramic back and Gorilla Glass Victus over the display; maker ceramic specification controls TechRadar's rear-glass description.Aluminium frame
ColoursCeramic Black and Ceramic White.Alpine Pink, Ice Blue, Black, Venture Green
Water resistance detailIP68 tested at 1.5 metres for up to 30 minutes under laboratory conditions.IP68; tested in static fresh water up to 4 m for 30 minutes
BiometricsIn-display fingerprint sensor (Tech Advisor).Ultrasonic in-screen fingerprint sensor; AI face unlock
Sensors–Proximity, ambient light, accelerometer, gyroscope, compass, IR blaster, flicker, laser focus, barometer and Hall sensors
SpeakersStereo speakers tuned with Harman Kardon.Stereo speakers; Dolby Atmos
Microphones–Four microphones
Software
Operating systemAndroidAndroid
Software at launchMIUI 12 based on Android 11; maker page notes the MIUI 12.5 update.Xiaomi HyperOS 3
AI features–Xiaomi HyperAI; Circle to Search with Google; Google Gemini
In the boxUK charger, cable, USB-C to 3.5 mm adapter, case, SIM tool and documents. The UK maker's 12/256 configuration is used; other regional memory options are not inferred. Contemporary Gizmochina actual first-sale coverage on 2 April 2021 supports the Chinese sale month, with later UK availability distinguished.Phone, USB-C cable, SIM eject tool, protective case, safety information, quick start guide and warranty card; no power adapter
Connectivity
Mobile network–5G and 4G LTE; 4×4 MIMO
SIMDual SIM; network support depends on regional bands and operators.Dual nano-SIM, nano-SIM plus eSIM, or dual eSIM; availability depends on region and network
Wi-FiWi-Fi 6; Wi-Fi 6E availability depends on regions and an OTA update, as qualified by the maker.Wi-Fi 7; Multi-Link Operation; 2×2 MIMO
BluetoothBluetooth 5.2.Bluetooth 6.0; SBC, AAC, aptX, aptX HD, aptX Adaptive, LDAC, LHDC 5.0, LC3 and MIHC
NFCNFC.Yes
USBUSB-C; no 3.5 mm socket (TechRadar).USB-C, USB 3.2 Gen 1
Positioning–Dual-band GPS, Galileo, GLONASS, BeiDou, QZSS and NavIC

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