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Samsung Galaxy S25 Ultra vs Xiaomi Xiaomi 15T Pro

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

Better figure, where one is clearly better

SamsungGalaxy S25 UltraXiaomiXiaomi 15T Pro
Overview
ReleasedFebruary 2025September 2025
Display
Screen size6.9″6.83″
Resolution3120 × 14402772 × 1280
Sharpness498 pixels per inch447 pixels per inch
PanelLTPO OLEDOLED
Refresh rate120 Hz144 Hz
Peak brightness2,600 nits3,200 nits
Display typeDynamic AMOLED 2X, Quad HD+, 16M colours; Super Smooth 120 Hz adaptive refresh rate (1–120 Hz); 6.9 inches as a full rectangle, 6.8 inches allowing for the rounded cornersFlat AMOLED, 12-bit colour, DCI-P3 and 5,000,000:1 contrast ratio; 1.5 mm bezels with LIPO technology
Pixel density–447 ppi
Brightness detail–3,200 nits peak covering 25% of the screen; 16,000-level automatic brightness
Always-on display–Smart AOD can activate when the user's face is detected
Screen protectionCorning Gorilla Armor 2 (glass-ceramic with an anti-reflective surface treatment)Corning Gorilla Glass 7i
Display featuresVision booster; Adaptive colour tone; ProScaler image upscalingDC 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 certifications
Performance
ChipSnapdragon 8 Elite for GalaxyMediaTek Dimensity 9400+
Memory12 GB12 GB
Storage256 GB, 512 GB, 1 TB256 GB, 512 GB, 1 TB
CPUOcta-core (4.47 GHz, 3.5 GHz); 3 nm3 nm; one Cortex-X925 up to 3.73 GHz, three Cortex-X4 up to 3.3 GHz and four Cortex-A720 up to 2.4 GHz
GPUReal-time ray tracing; Vulkan optimisationArm Immortalis-G925 MC12
AI engine–MediaTek NPU 890
Storage type–LPDDR5X and UFS 4.1; UK 12 GB/256 GB, 12 GB/512 GB or 12 GB/1 TB
CoolingLarger vapour chamber with a new thermal interface material (TIM)Xiaomi 3D IceLoop system
Cameras
Main camera200 MP50 MP
Ultra wide camera50 MP12 MP
Telephoto camera50 MP50 MP
Optical zoom5×5×
Front camera12 MP32 MP
Main camera200 MP wide, F1.7, 85° field of view, OIS, autofocus; Adaptive Pixel sensorLeica Summilux, Light Fusion 900, 50 MP, f/1.62, OIS, 23 mm equivalent, 1/1.31-inch sensor and 4-in-1 binning to 2.4 µm pixels; seven-element lens
Ultra wide camera50 MP, F1.9, 120° field of view; macro shotsLeica 12 MP, f/2.2, 15 mm equivalent and 120° field of view
Telephoto camera50 MP, F3.4, 22° field of view, OIS, 5x optical zoomLeica 5x Pro telephoto, 50 MP, f/3.0, OIS and 115 mm equivalent
Second telephoto camera10 MP, F2.4, 36° field of view, OIS, 3x optical zoom–
Front camera12 MP, F2.2, 80° field of view, autofocus32 MP, f/2.2, 21 mm equivalent, 0.64 µm pixels and 4-in-1 binning to 1.28 µm
Zoom3x and 5x optical zoom; 2x and 10x optical-quality zoom (Adaptive Pixel sensor); Space Zoom up to 100x digital5× optical telephoto, 10× optical-level zoom and up to 100× digital zoom; optical-level zoom is not optical zoom
Video recordingUp to 8K (7680 × 4320) at 30 fps; 10-bit HDR recording by default; Log video; slow motion at 240 fps (FHD) and 120 fps (FHD and UHD)8K at 30 fps; 4K at 30/60/120 fps, with 120 fps limited to the main camera; 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 fps
Front video–4K at 30 fps, Full HD at 30/60 fps and HD at 30 fps; HDR10+, teleprompter and time-lapse selfie
Camera featuresProVisual Engine; Nightography; Audio Eraser; Expert RAW; Filters made from your own photosLeica Authentic and Vibrant styles, filters, watermark and shutter sound; ProFocus motion and eye tracking, Lightning Burst, master portraits, night mode, 50 MP main and telephoto modes, super macro, Supermoon, RAW/HEIF/JPEG, LUT import and Ultra Night Video
Battery and charging
Battery5,000 mAh5,500 mAh
Video playback (maker's claim)Up to 31 hours–
Wired chargingUp to 45 WUp to 90 W
Wireless chargingUp to 15 WUp to 50 W
Battery life detail5,000 mAh typical, 4,855 mAh rated; at least 2,000 charge cycles; EU energy class B, 44 h 54 min per charge cycleXiaomi Surge Battery with 64-layer protection; maker laboratory claim of at least 80% capacity after 1,600 cycles and up to 15.29 hours continuous use
Wired chargingUp to 65% in around 30 minutes with a 45 W adapter (sold separately); compatible with QC2.0 and AFC/PD90 W HyperCharge with Surge P3 chip; PD3.0 and PD2.0; maker laboratory full-charge time of 36 minutes in boost mode; separate Xiaomi 90 W adaptor or above recommended
Wireless chargingFast Wireless Charging 2.0 (WPC Qi); Qi certified at 15 W (Extended Power Profile)50 W Xiaomi Surge wireless charging; maker laboratory full-charge time of 56 minutes; compatible wireless charger sold separately
Charges other devicesWireless PowerShare–
Connectivity
Satellite messagingYes–
Mobile network5G Sub6 (FDD, TDD, SDL); 4G LTE (FDD, TDD); 3G WCDMA; 2G GSM5G SA/NSA, LTE, WCDMA and GSM; Xiaomi Astral Communication with Surge T1S tuner; regional Offline Communication supports voice calls up to 1.9 km in open unobstructed conditions with SIM, Xiaomi account and Bluetooth; not intended for emergency communications
SIMTwo nano-SIMs, nano-SIM and eSIM, or dual eSIMDual nano-SIM, nano-SIM plus eSIM or dual eSIM; eSIM depends on region and carrier
Wi-FiWi-Fi 7 (802.11a/b/g/n/ac/ax/be), 2.4, 5 and 6 GHz, EHT320, MIMO, 4096-QAMWi-Fi 7/6E/6 capability depends on region and local network; 2×2 MIMO and Wi-Fi Direct
BluetoothBluetooth 5.4Bluetooth 6.0 and Dual-Bluetooth
Ultra WidebandYes–
NFCYesSupported
Satellite featuresWorks with O2 Satellite in the UK (texts, supported apps, maps and location sharing where O2 has no signal; not emergency calls)–
USBUSB Type-C, USB 3.2 Gen 1USB-C
PositioningGPS, Glonass, Beidou, Galileo, QZSSGPS L1/L5, Galileo E1/E5a/E5b, GLONASS G1, BeiDou, QZSS L1/L5 and NavIC L5; assisted positioning
Design
TypeStandardStandard
Weight218 g210 g
Thickness8.2 mm7.96 mm
Height × width162.8 × 77.6 mm162.7 × 77.9 mm
Water and dust resistanceIP68IP68
StylusYes–
MaterialsTitanium frame (not the volume and side keys)High-strength aluminium alloy frame and fibreglass back cover
ColoursTitanium Silverblue, Titanium Black, Titanium Grey, Titanium Whitesilver; Titanium Jetblack, Titanium Jadegreen and Titanium Pinkgold (Samsung.com only)Black, Gray and Mocha Gold
Water resistance detailIP68, tested for submersion in up to 1.5 m of fresh water for up to 30 minutes; not advised for beach or pool useIP68; maker test in static freshwater at 3 m for 30 minutes with temperature difference no greater than 5 K; resistance can decline with wear
BiometricsFingerprint sensorIn-screen fingerprint reader and AI Face Unlock
SensorsAccelerometer, barometer, fingerprint sensor, gyro sensor, geomagnetic sensor, Hall sensor, light sensor, proximity sensorProximity, ambient light, accelerometer, gyroscope, electronic compass, IR blaster, flicker and colour-temperature sensors; X-axis linear motor
SpeakersStereo speakersDual speakers, Dolby Atmos, Hi-Res Audio and Hi-Res Wireless Audio
Microphones–Three-microphone array with stereo recording
Software
Operating systemAndroidAndroid
Software at launchOne UI 7 (Android 15)Xiaomi HyperOS 2; Android 15 confirmed by TechRadar; maker schedules HyperOS 3 OTA from the end of October 2025
Software updatesSeven generations of OS upgrades and seven years of security updates; security updates until 31 January 2032 (UK)–
AI featuresGalaxy AI, including Now Brief, Now Bar and Audio Eraser; Circle to Search with Google (finger or S Pen); Gemini on the side buttonRegional AI writing, speech recognition, interpreter, search, dynamic wallpapers and creativity tools; Google Gemini and Circle to Search; applicable features need internet access
In the box–Phone, USB-C cable, SIM tool, protective case, safety information, quick-start guide, warranty card and desiccant; standard UK box excludes adaptor

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