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Xiaomi Xiaomi 15T vs Xiaomi Xiaomi 17T

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

Better figure, where one is clearly better

XiaomiXiaomi 15TXiaomiXiaomi 17T
Overview
ReleasedSeptember 2025May 2026
Display
Screen size6.83″6.59″
Resolution2772 × 12802756 × 1268
Sharpness447 pixels per inch460 pixels per inch
PanelOLEDOLED
Refresh rate120 Hz120 Hz
Peak brightness3,200 nits3,500 nits
Display typeFlat AMOLED, DCI-P3, 68 billion colours and 5,000,000:1 contrast ratioAMOLED, 1.5K, 12-bit colour and 100% DCI-P3
Pixel density447 ppi460 ppi
Brightness detail3,200 nits peak covering 25% of the screen; 16,000-level automatic brightness3,500 nits UHBM peak at 25% average picture level
Always-on displaySmart AOD can activate when the user's face is detected–
Screen protectionCorning Gorilla Glass 7iCorning Gorilla Glass 7i
Display features3,840 Hz PWM dimming, 480 Hz touch sampling and 2,560 Hz instantaneous sampling in Game Turbo; HDR10+, Dolby Vision, wet-touch support, adaptive colours and TÜV low-blue-light, flicker-free and circadian-friendly certifications3,840 Hz PWM and DC dimming; 480 Hz touch sampling, 3,200 Hz instantaneous sampling in Game Turbo; HDR10+, Dolby Vision, Wet Touch 2.0, Original Colour PRO and Pro HDR; TÜV low-blue-light, flicker-free, circadian-friendly and intelligent eye-care certifications
Performance
ChipMediaTek Dimensity 8400-UltraMediaTek Dimensity 8500-Ultra
Memory12 GB12 GB
Storage256 GB, 512 GB256 GB, 512 GB
CPU4 nm; one Cortex-A725 up to 3.25 GHz, three Cortex-A725 up to 3 GHz and four Cortex-A725 up to 2.1 GHz4 nm; one Cortex-A725 up to 3.4 GHz, three Cortex-A725 up to 3.2 GHz and four Cortex-A725 up to 2.2 GHz
GPUArm Mali-G720; maker gives no core-count suffixArm Mali-G720 MC8
AI engineMediaTek NPU 880MediaTek NPU 880
Storage typeLPDDR5X at 8,533 Mbps and UFS 4.1; UK 12 GB/256 GB or 12 GB/512 GBLPDDR5X at 9,600 Mbps; UFS 4.1 via firmware update; UK 12 GB/256 GB or 12 GB/512 GB
CoolingXiaomi 3D IceLoop systemXiaomi 3D IceLoop System
Cameras
Main camera50 MP50 MP
Ultra wide camera12 MP12 MP
Telephoto camera50 MP50 MP
Optical zoom2×5×
Front camera32 MP32 MP
Main cameraLeica Summilux, Light Fusion 800, 50 MP, f/1.7, OIS, 23 mm equivalent, 1/1.55-inch sensor and 4-in-1 binning to 2 µm pixels; 1G+6P lensLeica Summilux, Light Fusion 800, 50 MP, f/1.7, OIS, 23 mm equivalent and 1/1.55-inch sensor; 4-in-1 binning to 2 µm pixels
Ultra wide cameraLeica 12 MP, f/2.2, 15 mm equivalent and 120° field of viewLeica 12 MP, f/2.2, 15 mm equivalent and 120° field of view
Telephoto cameraLeica 50 MP, f/1.9 and 46 mm equivalentLeica periscope, 50 MP, f/3.0, OIS and 115 mm equivalent
Front camera32 MP, f/2.2 and 21 mm equivalent32 MP, f/2.2 and 21 mm equivalent
Zoom2× optical telephoto confirmed by Expert Reviews and TechRadar; maker lists 23 mm main and 46 mm telephoto and up to 60× digital zoomMaker confirms 5× optical telephoto and 10× optical-grade zoom; up to 120× digital zoom with AI Ultra Zoom
Video recording4K at 30/60 fps, Full HD at 30/60 fps and HD at 30 fps; 10-bit log at 4K 60 fps and HDR10+ across focal lengths; slow motion HD or Full HD at 120/240/960 fps4K or Full HD HDR10+ at 30/60 fps, HD at 30 fps; log up to 4K 60 fps, night video up to 4K 24 fps, 4K time-lapse at 30 fps; HD/Full HD slow motion at 120/240/960 fps
Front video4K at 30 fps, Full HD at 30/60 fps and HD at 30 fps; HDR10+, teleprompter and time-lapse selfie4K HDR10+ at 30 fps, Full HD HDR10+ at 30/60 fps and HD at 30 fps; Full HD slow motion at 120 fps, 4K time-lapse at 30 fps, dual video and teleprompter
Camera featuresLeica Authentic and Vibrant styles, filters, watermark and shutter sound; ProFocus motion capture, Lightning Burst, master portraits, night mode, 50 MP main and telephoto modes, RAW/HEIF/JPEG, LUT import, ShootSteady and Ultra Night VideoLeica Authentic and Vibrant styles, filters, shutter sound and watermark; ProFocus tracking, Lightning Burst, HDR Live Moment, master portraits, 50 MP main/telephoto modes, super macro, panorama, long exposure, documents, Fastshot and Pro; HEIF/JPEG and RAW in Pro; LUT parameters, ShootSteady and three-microphone array
Battery and charging
Battery5,500 mAh6,500 mAh
Wired chargingUp to 67 WUp to 67 W
Wireless chargingNoneNone
Battery life detailXiaomi Surge Battery; maker laboratory claim of at least 80% capacity after 1,600 cycles and up to 13.19 hours continuous use6,500 mAh typical silicon-carbon battery
Wired charging67 W HyperCharge; PD3.0 and PD2.0; maker laboratory full-charge time of 50 minutes; separate Xiaomi 67 W adaptor or above recommended67 W HyperCharge, up to 50 W PPS and up to 22.5 W wired reverse charging; PD3.0/PD2.0; separate Xiaomi 67 W adaptor or above recommended
Wireless chargingNo wireless charging, confirmed by Expert Reviews and TechRadarNo wireless charging, confirmed by Tech Advisor
Design
TypeStandardStandard
Weight194 g200 g
Thickness7.5 mm8.17 mm
Height × width163.2 × 78 mm157.6 × 75.2 mm
Water and dust resistanceIP68IP68
ColoursBlack, Gray and Rose GoldBlack, Opal White, Blue and Violet
Water resistance detailIP68; maker test in static freshwater at 3 m for 30 minutes with temperature difference no greater than 5 K; resistance can decline with wearIP68; maker laboratory test in static freshwater at 1.5 m for 30 minutes with temperature difference no greater than 5 K; resistance can decline with wear
BiometricsIn-screen fingerprint reader and AI Face UnlockIn-screen fingerprint reader and AI Face Unlock
SensorsProximity, ambient light, accelerometer, gyroscope, electronic compass, IR blaster, flicker and colour-temperature sensors; X-axis linear motorProximity, ambient light, accelerometer, gyroscope, electronic compass, IR blaster, flicker and colour-temperature sensors; X-axis linear motor
SpeakersDual speakers, Dolby Atmos, Hi-Res Audio and Hi-Res Wireless AudioDual stereo speakers, Dolby Atmos, Hi-Res and Hi-Res Wireless; HDR10/HDR10+/Dolby Vision video playback
Software
Operating systemAndroidAndroid
Software at launchXiaomi HyperOS 2; Android 15 confirmed by TechRadar; maker schedules HyperOS 3 OTA from the end of October 2025Xiaomi HyperOS 3; Android 16 confirmed by Tech Advisor and TechRadar
Software updatesFour Android version upgrades and six years of security updates reported by Expert Reviews and TechRadarFive years of Android upgrades and seven years of security updates reported by Tech Advisor
AI featuresRegional AI writing, speech recognition, interpreter, search, dynamic wallpapers and creativity tools; Google Gemini and Circle to Search; applicable features need internet accessRegional HyperAI writing, speech recognition, interpreter, search, dynamic wallpapers and creativity tools; Google Gemini and Circle to Search; applicable features require internet access
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 tool, protective case, safety information, quick-start guide, warranty card and desiccant; standard UK package excludes power adaptor
Connectivity
Mobile network5G SA/NSA, LTE, WCDMA and GSM; Xiaomi Astral Communication with Surge T1S tuner; regional Offline Communication supports voice calls up to 1.3 km in open unobstructed conditions with SIM, Xiaomi account and Bluetooth; not intended for emergency communications5G SA/NSA; SA n1/2/3/5/7/8/12/20/26/28/34/38/39/40/41/48/66/71/75/77/78 and NSA n1/2/3/5/7/8/20/28/38/40/41/66/71/75/77/78; LTE FDD 1/2/3/4/5/7/8/12/13/17/18/19/20/26/28/32/66/71 and TDD 34/38/39/40/41/42/48; WCDMA 1/2/4/5/8 and GSM 2/3/5/8
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; eSIM depends on region and carrier
Wi-FiWi-Fi 6E/6 capability depends on region and local network; 2×2 MIMO and Wi-Fi DirectWi-Fi 6E, 2×2 MIMO and Wi-Fi Direct; regional network availability applies
BluetoothBluetooth 6.0Bluetooth 6.0
NFCSupportedSupported
USBUSB-C; interface version not published on the UK specification pageUSB-C; interface version not published in UK specifications
PositioningGPS L1/L5, Galileo E1/E5a, GLONASS G1, BeiDou, QZSS L1/L5 and NavIC L5; assisted positioningGPS L1/L5, GLONASS G1, BeiDou B1I/B1C/B2a, Galileo E1/E5a, NavIC L5 and QZSS L1/L5; assisted positioning

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