Samsung Galaxy A02 vs Samsung Galaxy A57 5G

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Galaxy A02 compared with Galaxy A57 5G

	SamsungGalaxy A02	SamsungGalaxy A57 5G
Overview
Released
Released	February 2021	April 2026
Display
Screen size
Screen size	6.5″	6.7″
Resolution
Resolution	1600 × 720	2340 × 1080 (better)
Sharpness
Sharpness	270 pixels per inch	385 pixels per inch (better)
Panel
Panel	LCD	OLED
Refresh rate
Refresh rate	–	120 Hz
Display type
Display type	HD+ PLS TFT Infinity-V display	Super AMOLED+, FHD+, 16M colours; up to 120 Hz refresh rate
Screen protection
Screen protection	–	Corning Gorilla Glass Victus+
Display features
Display features	–	Vision Booster; SGS Eye Care certification
Performance
Chip
Chip	MediaTek MT6739	Exynos 1680
Memory
Memory	2 GB – 3 GB	8 GB – 12 GB (better)
Storage
Storage	32 GB	128 GB, 256 GB, 512 GB (better)
CPU
CPU	–	Octa-core (2.9 GHz, 2.6 GHz, 1.9 GHz)
Cooling
Cooling	–	Vapour chamber 13% larger than on the Galaxy A56 5G
Storage type
Storage type	Dedicated microSD slot supports cards up to 1 TB	–
Cameras
Main camera
Main camera	13 MP	50 MP (better)
Ultra wide camera
Ultra wide camera	None	12 MP
Telephoto camera
Telephoto camera	None	None
Optical zoom
Optical zoom	None	None
Front camera
Front camera	5 MP	12 MP (better)
Main camera
Main camera	13 MP, F1.9; no optical image stabilisation	50 MP wide, F1.8
Ultra wide camera
Ultra wide camera	–	12 MP, F2.2
Front camera
Front camera	5 MP, F2.0	12 MP, F2.2
Zoom
Zoom	–	Digital zoom up to 10x
Video recording
Video recording	Full HD 1920 × 1080 at 30 fps	Up to 4K (3840 × 2160) at 30 fps; slow motion at 240 fps (HD)
Camera features
Camera features	2 MP, F2.4 rear macro camera	Rear camera OIS; 5 MP F2.4 macro camera; Nightography; Best Face
Battery and charging
Battery
Battery	5,000 mAh	5,000 mAh
Video playback (maker's claim)
Video playback (maker's claim)	Up to 16 hours	Up to 29 hours
Wired charging
Wired charging	Up to 7.75 W	Up to 45 W (better)
Wireless charging
Wireless charging	None	None
Battery life detail
Battery life detail	Up to 16 hours of video playback on Russian SM-A022G variant	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
Wired charging
Wired charging	–	Super Fast Charging 2.0, up to 60% in around 30 minutes; UK spec lists 10–45 W charger power
Design
Type
Type	Standard	Standard
Weight
Weight	206 g	179 g (better)
Thickness
Thickness	9.1 mm	6.9 mm (better)
Height × width
Height × width	164 × 75.9 mm	161.5 × 76.8 mm
Water and dust resistance
Water and dust resistance	–	IP68
Materials
Materials	–	Corning Gorilla Glass Victus+ back
Colours
Colours	Black, blue and red in Vietnam	Awesome Navy, Awesome Grey, Awesome Icyblue, Awesome Lilac
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
Biometrics
Biometrics	–	Fingerprint sensor
Sensors
Sensors	–	Accelerometer, fingerprint sensor, gyro sensor, geomagnetic sensor, light sensor, proximity sensor
Speakers
Speakers	–	Stereo speakers
Software
Operating system
Operating system	Android	Android
Software at launch
Software at launch	–	One UI 8.5 (Android 16)
Software updates
Software updates	–	Up to six generations of OS upgrades and six years of security updates; security updates until 31 March 2032 (UK)
AI features
AI features	–	Awesome Intelligence, including AI Select, Object Eraser, Best Face and Voice Transcription; Circle to Search with Google; Gemini
In the box
In the box	–	Phone, USB-C to USB-C cable, ejection pin, quick start guide
Connectivity
Satellite messaging
Satellite messaging	–	Yes
Mobile network
Mobile network	–	5G Sub6 (FDD, TDD); 4G LTE (FDD, TDD); 3G WCDMA; 2G GSM
SIM
SIM	Dual nano-SIM plus dedicated microSD slot on SM-A022G	Two nano-SIMs, nano-SIM and eSIM, or dual eSIM
Wi-Fi
Wi-Fi	Wi-Fi 802.11b/g/n at 2.4 GHz on SM-A022G	Wi-Fi 6E (802.11a/b/g/n/ac/ax), 2.4, 5 and 6 GHz, HE80, MIMO, 1024-QAM
Bluetooth
Bluetooth	Bluetooth 5.0 on SM-A022G	Bluetooth 6.0
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)
NFC
NFC	Not supported on SM-A022G	–
USB
USB	Micro USB 2.0; 3.5 mm headphone socket	USB Type-C, USB 2.0
Positioning
Positioning	GPS and GLONASS on SM-A022G	GPS, Glonass, Beidou, Galileo, QZSS