Samsung Galaxy A57 5G vs Samsung Galaxy A8 (2018)

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

Better figure, where one is clearly better

Galaxy A57 5G compared with Galaxy A8 (2018)
SamsungGalaxy A57 5GSamsungGalaxy A8 (2018)
Overview
ReleasedApril 2026January 2018
Display
Screen size6.7″5.6″
Resolution2340 × 1080 (better)2220 × 1080
Sharpness385 pixels per inch441 pixels per inch (better)
PanelOLEDOLED
Refresh rate120 Hz–
Display typeSuper AMOLED+, FHD+, 16M colours; up to 120 Hz refresh rateFull HD+ Super AMOLED Infinity Display, 18.5:9; Always On Display
Screen protectionCorning Gorilla Glass Victus+–
Display featuresVision Booster; SGS Eye Care certification–
Performance
ChipExynos 1680Exynos 7885
Memory8 GB – 12 GB (better)4 GB
Storage128 GB, 256 GB, 512 GB (better)32 GB
CPUOcta-core (2.9 GHz, 2.6 GHz, 1.9 GHz)Exynos 7885 octa-core; chip identified in Notebookcheck's exact-model review
Storage type–Dedicated microSD slot supports up to 512 GB on the BTU product page
CoolingVapour chamber 13% larger than on the Galaxy A56 5G–
Cameras
Main camera50 MP (better)16 MP
Ultra wide camera12 MPNone
Telephoto cameraNoneNone
Optical zoomNoneNone
Front camera12 MP16 MP (better)
Main camera50 MP wide, F1.816 MP, F1.7, phase-detection autofocus; no optical image stabilisation
Ultra wide camera12 MP, F2.2–
Front camera12 MP, F2.2Dual 16 MP and 8 MP, both F1.9, with Live Focus portraits
ZoomDigital zoom up to 10x–
Video recordingUp to 4K (3840 × 2160) at 30 fps; slow motion at 240 fps (HD)Full HD 1920 × 1080 at 30 fps; digital video stabilisation
Camera featuresRear camera OIS; 5 MP F2.4 macro camera; Nightography; Best Face–
Battery and charging
Battery5,000 mAh (better)3,000 mAh
Video playback (maker's claim)Up to 29 hoursUp to 17 hours
Wired chargingUp to 45 W–
Wireless chargingNoneNone
Battery life detailRated (minimum) capacity 4,905 mAh; up to two days of use (Samsung, independently assessed); at least 1,200 charge cycles; EU energy class A3,000 mAh; up to 17 hours video playback; fast charging
Wired chargingSuper Fast Charging 2.0, up to 60% in around 30 minutes; UK spec lists 10–45 W charger power–
Connectivity
Satellite messagingYes–
Mobile network5G Sub6 (FDD, TDD); 4G LTE (FDD, TDD); 3G WCDMA; 2G GSM4G LTE Cat. 11, 3G WCDMA and 2G GSM
SIMTwo nano-SIMs, nano-SIM and eSIM, or dual eSIMSingle nano-SIM with separate microSD slot on the BTU configuration
Wi-FiWi-Fi 6E (802.11a/b/g/n/ac/ax), 2.4, 5 and 6 GHz, HE80, MIMO, 1024-QAMWi-Fi 5 (802.11a/b/g/n/ac), 2.4 and 5 GHz
BluetoothBluetooth 6.0Bluetooth 5.0
NFC–Supported
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 2.0USB-C 2.0
PositioningGPS, Glonass, Beidou, Galileo, QZSSGPS, GLONASS and BeiDou
Design
TypeStandardStandard
Weight179 g172 g (better)
Thickness6.9 mm (better)8.4 mm
Height × width161.5 × 76.8 mm149.2 × 70.6 mm
Water and dust resistanceIP68IP68
MaterialsCorning Gorilla Glass Victus+ backCurved glass front and back with metal frame
ColoursAwesome Navy, Awesome Grey, Awesome Icyblue, Awesome LilacBlack, Gold and Orchid Grey announced for UK and Europe
Water resistance detailIP68, tested for submersion in up to 1.5 m of fresh water for up to 30 minutes; not recommended for beach or pool useIP68 dust and water resistance, up to 1.5 metres for 30 minutes in fresh water
BiometricsFingerprint sensorRear fingerprint reader and face recognition
SensorsAccelerometer, fingerprint sensor, gyro sensor, geomagnetic sensor, light sensor, proximity sensor–
SpeakersStereo speakers3.5 mm headphone socket
Software
Operating systemAndroidAndroid
Software at launchOne UI 8.5 (Android 16)Android 7.1.1 Nougat
Safety features–Samsung Knox, Secure Folder and Samsung Pay
Software updatesUp to six generations of OS upgrades and six years of security updates; security updates until 31 March 2032 (UK)–
AI featuresAwesome Intelligence, including AI Select, Object Eraser, Best Face and Voice Transcription; Circle to Search with Google; Gemini–
In the boxPhone, USB-C to USB-C cable, ejection pin, quick start guide–

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