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Samsung Galaxy S25 vs Xiaomi Xiaomi 15

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

Better figure, where one is clearly better

SamsungGalaxy S25XiaomiXiaomi 15
Overview
ReleasedFebruary 2025October 2024
Display
Screen size6.2″6.36″
Resolution2340 × 10802670 × 1200
Sharpness416 pixels per inch460 pixels per inch
PanelLTPO OLEDOLED
Refresh rate120 Hz120 Hz
Peak brightness2,600 nits3,200 nits
Display typeDynamic AMOLED 2X, FHD+, 16M colours; Super Smooth 120 Hz adaptive refresh rate (1–120 Hz); 6.2 inches as a full rectangle, 6.0 inches allowing for the rounded cornersCrystalRes AMOLED with 1–120 Hz adaptive refresh, 68 billion colours and DCI-P3
Pixel density–460 ppi
Brightness detail–3,200 nits peak covering 25% of the screen
Always-on display–Always-active Display with adaptive brightness and refresh as low as 1 Hz; weather display supported
Screen protectionCorning Gorilla Glass Victus 2Xiaomi Shield Glass
Display featuresVision booster; Adaptive colour toneDC dimming, 300 Hz touch sampling, Original Colour PRO, Pro HDR, wet touch, HDR10, HDR10+, Dolby Vision and TÜV low-blue-light, flicker-free and circadian-friendly certifications
Performance
ChipSnapdragon 8 Elite for GalaxyQualcomm Snapdragon 8 Elite
Memory12 GB12 GB
Storage128 GB, 256 GB, 512 GB256 GB, 512 GB
CPUOcta-core (4.47 GHz, 3.5 GHz); 3 nm3 nm Qualcomm Oryon CPU; two prime cores up to 4.32 GHz and six performance cores up to 3.53 GHz
GPUReal-time ray tracing; Vulkan optimisationQualcomm Adreno GPU; maker gives no numeric suffix
AI engine–Qualcomm AI engine
Storage type–LPDDR5X RAM at 8,533 Mbps and UFS 4.0 storage; UK 12 GB/256 GB or 12 GB/512 GB
CoolingLarger vapour chamber with a new thermal interface material (TIM)Xiaomi Wing-type IceLoop system
Cameras
Main camera50 MP50 MP
Ultra wide camera12 MP50 MP
Telephoto camera10 MP50 MP
Optical zoom3×2.6×
Front camera12 MP32 MP
Main camera50 MP wide, F1.8, 85° field of view, OIS, autofocus; Adaptive Pixel sensorLeica Summilux, Light Fusion 900, 50 MP, f/1.62, OIS, 23 mm equivalent focal length, 1/1.31-inch sensor, seven-element lens and 4-in-1 binning to 2.4 µm pixels
Ultra wide camera12 MP, F2.2, 120° field of viewLeica 50 MP, f/2.2, 14 mm equivalent focal length, 115° field of view and six-element lens
Telephoto camera10 MP, F2.4, 36° field of view, 3x optical zoomLeica floating 50 MP, f/2.0, OIS, 60 mm equivalent focal length and six-element lens; focusing from 10 cm to infinity
Front camera12 MP, F2.2, 80° field of view, autofocus32 MP, f/2.0, 21 mm equivalent focal length and 90° field of view
Zoom3x optical zoom; 2x optical-quality zoom (Adaptive Pixel sensor); digital zoom up to 30x2.6× optical telephoto identified by Tech Advisor and Expert Reviews; maker lists 23 mm main and 60 mm telephoto and up to 60× digital 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 24/30 fps; 4K at 24/30/60 fps; Full HD at 30/60 fps; HD at 30 fps; Dolby Vision HDR and 10-bit log; slow motion HD at 120/240/480/960/1,920 fps or Full HD at 120/240/960 fps
Front video–4K or Full HD at 30/60 fps, HD at 30 fps; HDR10+ video, teleprompter and time-lapse selfie
Camera featuresProVisual Engine; Nightography; Audio Eraser; Filters made from your own photosLeica Authentic and Vibrant styles, Leica filters, ProFocus motion and eye tracking, Lightning Burst, Dynamic Shots, master portraits, night and 50 MP modes on all rear cameras, macro, Fastshot, Supermoon, RAW/DNG/HEIF/JPEG, Movie mode, ShootSteady, Dual Video and Ultra Night Video
Battery and charging
Battery4,000 mAh5,240 mAh
Video playback (maker's claim)Up to 29 hours–
Wired chargingUp to 25 WUp to 90 W
Wireless chargingUp to 15 WUp to 50 W
Battery life detail4,000 mAh typical, 3,885 mAh rated; at least 2,000 charge cycles; EU energy class B, 37 h 16 min per charge cycle5,240 mAh typical UK Xiaomi Surge Battery; maker laboratory claim of up to 25 hours video playback and approximately 80% capacity after 1,600 cycles; Surge P3 charging and G1 battery-management chips
Wired chargingUp to 50% in around 30 minutes with a 25 W adapter (sold separately) and 3 A USB-C cable; compatible with QC2.0 and AFC/PD90 W HyperCharge; QC3+, QC3.0, QC2.0, PD3.0, PD2.0 and MI FC 2.0; separate Xiaomi 90 W adaptor recommended
Wireless chargingFast Wireless Charging 2.0 (WPC Qi); Qi certified at 15 W (Extended Power Profile)50 W wireless HyperCharge with compatible Xiaomi wireless charging set 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, UMTS and GSM; 4×4 MIMO; Xiaomi Surge T1S tuner and antenna array
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 network; 2×2 MIMO, 8×8 sounding for MU-MIMO, Wi-Fi Direct and Miracast
BluetoothBluetooth 5.4Bluetooth 6.0, Dual-Bluetooth; SBC, AAC, aptX, aptX HD, aptX Adaptive, LDAC, LHDC 5.0 and LC3
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, USB 3.2 Gen 1
PositioningGPS, Glonass, Beidou, Galileo, QZSSGPS L1/L5, Galileo E1/E5a, GLONASS G1, BeiDou, QZSS L1/L5 and NavIC L5; assisted positioning
Design
TypeStandardStandard
Weight162 g191 g
Thickness7.2 mm8.08 mm
Height × width146.9 × 70.5 mm152.3 × 71.2 mm
Water and dust resistanceIP68IP68
StylusNo–
MaterialsArmor Aluminium frame with at least 20% recycled aluminium6M42 high-strength aluminium frame and glass back; Liquid Silver uses heat-moulded glass with wave texture and a plated aluminium frame
ColoursIcyblue, Navy, Silver Shadow, Mint; Blueblack, Coralred and Pinkgold (Samsung.com only)Black, White, Green and Liquid Silver; main dimensions and weight are for Black/White/Green, while Liquid Silver is 8.48 mm thick and weighs 192 g
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 1.5 m for 30 minutes with temperature difference no greater than 5 K; resistance can decline with wear
BiometricsFingerprint sensorUltrasonic in-display 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, laser-focus sensor, barometer and flicker sensor; X-axis linear vibration motor
SpeakersStereo speakersStereo speakers, Dolby Atmos, Hi-Res Audio and Hi-Res Wireless Audio
Microphones–Four-microphone array with surround sound recording
Software
Operating systemAndroidAndroid
Software at launchOne UI 7 (Android 15)Xiaomi HyperOS 2; Android 15 confirmed by Tech Advisor and Expert Reviews
Software updatesSeven generations of OS upgrades and seven years of security updates; security updates until 31 January 2032 (UK)Four Android version upgrades and six years of security updates reported at launch by Tech Advisor and Expert Reviews
AI featuresGalaxy AI, including Now Brief, Now Bar and Audio Eraser; Circle to Search with Google; Gemini on the side buttonRegional 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 updates
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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