Samsung Galaxy A57 5G vs Xiaomi Xiaomi 15T

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Galaxy A57 5G compared with Xiaomi 15T

	SamsungGalaxy A57 5G	XiaomiXiaomi 15T
Overview
Released
Released	April 2026	September 2025
Display
Screen size
Screen size	6.7″	6.83″
Resolution
Resolution	2340 × 1080	2772 × 1280 (better)
Sharpness
Sharpness	385 pixels per inch	447 pixels per inch (better)
Panel
Panel	OLED	OLED
Refresh rate
Refresh rate	120 Hz	120 Hz
Peak brightness
Peak brightness	–	3,200 nits
Display type
Display type	Super AMOLED+, FHD+, 16M colours; up to 120 Hz refresh rate	Flat AMOLED, DCI-P3, 68 billion colours and 5,000,000:1 contrast ratio
Pixel density
Pixel density	–	447 ppi
Brightness detail
Brightness detail	–	3,200 nits peak covering 25% of the screen; 16,000-level automatic brightness
Always-on display
Always-on display	–	Smart AOD can activate when the user's face is detected
Screen protection
Screen protection	Corning Gorilla Glass Victus+	Corning Gorilla Glass 7i
Display features
Display features	Vision Booster; SGS Eye Care certification	3,840 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 certifications
Performance
Chip
Chip	Exynos 1680	MediaTek Dimensity 8400-Ultra
Memory
Memory	8 GB – 12 GB	12 GB
Storage
Storage	128 GB, 256 GB, 512 GB	256 GB, 512 GB
CPU
CPU	Octa-core (2.9 GHz, 2.6 GHz, 1.9 GHz)	4 nm; one Cortex-A725 up to 3.25 GHz, three Cortex-A725 up to 3 GHz and four Cortex-A725 up to 2.1 GHz
GPU
GPU	–	Arm Mali-G720; maker gives no core-count suffix
AI engine
AI engine	–	MediaTek NPU 880
Storage type
Storage type	–	LPDDR5X at 8,533 Mbps and UFS 4.1; UK 12 GB/256 GB or 12 GB/512 GB
Cooling
Cooling	Vapour chamber 13% larger than on the Galaxy A56 5G	Xiaomi 3D IceLoop system
Cameras
Main camera
Main camera	50 MP	50 MP
Ultra wide camera
Ultra wide camera	12 MP	12 MP
Telephoto camera
Telephoto camera	None	50 MP
Optical zoom
Optical zoom	None	2× (better)
Front camera
Front camera	12 MP	32 MP (better)
Main camera
Main camera	50 MP wide, F1.8	Leica 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 lens
Ultra wide camera
Ultra wide camera	12 MP, F2.2	Leica 12 MP, f/2.2, 15 mm equivalent and 120° field of view
Telephoto camera
Telephoto camera	–	Leica 50 MP, f/1.9 and 46 mm equivalent
Front camera
Front camera	12 MP, F2.2	32 MP, f/2.2 and 21 mm equivalent
Zoom
Zoom	Digital zoom up to 10x	2× optical telephoto confirmed by Expert Reviews and TechRadar; maker lists 23 mm main and 46 mm telephoto and up to 60× digital zoom
Video recording
Video recording	Up to 4K (3840 × 2160) at 30 fps; slow motion at 240 fps (HD)	4K 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 fps
Front video
Front video	–	4K at 30 fps, Full HD at 30/60 fps and HD at 30 fps; HDR10+, teleprompter and time-lapse selfie
Camera features
Camera features	Rear camera OIS; 5 MP F2.4 macro camera; Nightography; Best Face	Leica 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 Video
Battery and charging
Battery
Battery	5,000 mAh	5,500 mAh (better)
Video playback (maker's claim)
Video playback (maker's claim)	Up to 29 hours	–
Wired charging
Wired charging	Up to 45 W	Up to 67 W (better)
Wireless charging
Wireless charging	None	None
Battery life detail
Battery life detail	Rated (minimum) capacity 4,905 mAh; up to two days of use (Samsung, independently assessed); at least 1,200 charge cycles; EU energy class A	Xiaomi Surge Battery; maker laboratory claim of at least 80% capacity after 1,600 cycles and up to 13.19 hours continuous use
Wired charging
Wired charging	Super Fast Charging 2.0, up to 60% in around 30 minutes; UK spec lists 10–45 W charger power	67 W HyperCharge; PD3.0 and PD2.0; maker laboratory full-charge time of 50 minutes; separate Xiaomi 67 W adaptor or above recommended
Wireless charging
Wireless charging	–	No wireless charging, confirmed by Expert Reviews and TechRadar
Connectivity
Satellite messaging
Satellite messaging	Yes	–
Mobile network
Mobile network	5G Sub6 (FDD, TDD); 4G LTE (FDD, TDD); 3G WCDMA; 2G GSM	5G 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 communications
SIM
SIM	Two nano-SIMs, nano-SIM and eSIM, or dual eSIM	Dual nano-SIM, nano-SIM plus eSIM or dual eSIM; eSIM depends on region and carrier
Wi-Fi
Wi-Fi	Wi-Fi 6E (802.11a/b/g/n/ac/ax), 2.4, 5 and 6 GHz, HE80, MIMO, 1024-QAM	Wi-Fi 6E/6 capability depends on region and local network; 2×2 MIMO and Wi-Fi Direct
Bluetooth
Bluetooth	Bluetooth 6.0	Bluetooth 6.0
NFC
NFC	–	Supported
Satellite features
Satellite features	Works with O2 Satellite in the UK (texts, supported apps, maps and location sharing where O2 has no signal; not emergency calls)	–
USB
USB	USB Type-C, USB 2.0	USB-C; interface version not published on the UK specification page
Positioning
Positioning	GPS, Glonass, Beidou, Galileo, QZSS	GPS L1/L5, Galileo E1/E5a, GLONASS G1, BeiDou, QZSS L1/L5 and NavIC L5; assisted positioning
Design
Type
Type	Standard	Standard
Weight
Weight	179 g (better)	194 g
Thickness
Thickness	6.9 mm (better)	7.5 mm
Height × width
Height × width	161.5 × 76.8 mm	163.2 × 78 mm
Water and dust resistance
Water and dust resistance	IP68	IP68
Materials
Materials	Corning Gorilla Glass Victus+ back	–
Colours
Colours	Awesome Navy, Awesome Grey, Awesome Icyblue, Awesome Lilac	Black, Gray and Rose Gold
Water resistance detail
Water resistance detail	IP68, tested for submersion in up to 1.5 m of fresh water for up to 30 minutes; not recommended for beach or pool use	IP68; maker test in static freshwater at 3 m for 30 minutes with temperature difference no greater than 5 K; resistance can decline with wear
Biometrics
Biometrics	Fingerprint sensor	In-screen fingerprint reader and AI Face Unlock
Sensors
Sensors	Accelerometer, fingerprint sensor, gyro sensor, geomagnetic sensor, light sensor, proximity sensor	Proximity, ambient light, accelerometer, gyroscope, electronic compass, IR blaster, flicker and colour-temperature sensors; X-axis linear motor
Speakers
Speakers	Stereo speakers	Dual speakers, Dolby Atmos, Hi-Res Audio and Hi-Res Wireless Audio
Software
Operating system
Operating system	Android	Android
Software at launch
Software at launch	One UI 8.5 (Android 16)	Xiaomi HyperOS 2; Android 15 confirmed by TechRadar; maker schedules HyperOS 3 OTA from the end of October 2025
Software updates
Software updates	Up to six generations of OS upgrades and six years of security updates; security updates until 31 March 2032 (UK)	Four Android version upgrades and six years of security updates reported by Expert Reviews and TechRadar
AI features
AI features	Awesome Intelligence, including AI Select, Object Eraser, Best Face and Voice Transcription; Circle to Search with Google; Gemini	Regional 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
In the box	Phone, USB-C to USB-C cable, ejection pin, quick start guide	Phone, USB-C cable, SIM tool, protective case, safety information, quick-start guide, warranty card and desiccant; standard UK box excludes adaptor