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Samsung Galaxy A17 5G vs Samsung Galaxy A40

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

Better figure, where one is clearly better

SamsungGalaxy A17 5GSamsungGalaxy A40
Overview
ReleasedAugust 2025April 2019
Display
Screen size6.7″5.9″
Resolution2340 × 10802340 × 1080
Sharpness385 pixels per inch437 pixels per inch
PanelOLEDOLED
Refresh rate90 Hz–
Display typeSuper AMOLED, FHD+, 16M colours; 6.7″ full rectangle, 6.5″ with rounded cornersFull HD+ Super AMOLED Infinity-U Display
Screen protectionCorning Gorilla Glass Victus (front)–
Performance
ChipExynos 1330Exynos 7904
Memory4 GB4 GB
Storage128 GB64 GB
CPUOcta-core (2.4 GHz, 2 GHz)Exynos 7904 octa-core at 1.8 GHz and 1.6 GHz; chip identified in Notebookcheck's exact-model review
Storage type–Dedicated microSD slot supports cards up to 512 GB
Cameras
Main camera50 MP16 MP
Ultra wide camera5 MP5 MP
Telephoto cameraNoneNone
Optical zoomNoneNone
Front camera13 MP25 MP
Main camera50 MP wide, F1.8, autofocus, OIS16 MP, F1.7, autofocus; no optical image stabilisation
Ultra wide camera5 MP, F2.25 MP, F2.2, 123° field of view
Front camera13 MP, F2.025 MP, F2.0, fixed focus
ZoomDigital zoom up to 10x–
Video recordingUp to FHD (1920 × 1080) at 30 fps; slow motion at 120 fps (HD)Full HD 1920 × 1080 at 30 fps
Camera features2 MP F2.4 macro camera; night shots up to 2.5× brighter than the previous model (Samsung)–
Battery and charging
Battery5,000 mAh3,100 mAh
Video playback (maker's claim)Up to 18 hoursUp to 14 hours
Wired chargingUp to 25 W–
Wireless chargingNoneNone
Battery life detailAt least 1,200 charge cycles; EU energy class B3,100 mAh typical; 15 W fast charging; up to 14 hours video playback
Wired charging25 W fast charging–
Connectivity
Satellite messagingYes–
Mobile network5G Sub6 (FDD, TDD); 4G LTE (FDD, TDD); 3G WCDMA; 2G GSM4G LTE, 3G WCDMA and 2G GSM
SIMDual nano-SIM, with the second slot shared with microSD (UK model)Dual nano-SIM plus dedicated microSD slot on the BTU configuration
Wi-FiWi-Fi 5 (802.11a/b/g/n/ac), 2.4 and 5 GHz, VHT80Wi-Fi 5 (802.11a/b/g/n/ac), 2.4 and 5 GHz
BluetoothBluetooth 5.3Bluetooth 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, BeiDou and Galileo
Design
TypeStandardStandard
Weight192 g140 g
Thickness7.5 mm7.9 mm
Height × width164.4 × 77.9 mm144.4 × 69.2 mm
Materials–3D Glasstic back
Water and dust resistanceIP54–
ColoursBlack, Grey, BlueBlack, Blue, White and Coral in Europe
ButtonsKey Island 2.0; side key can open Gemini–
Water resistance detailIP54, limited dust and splash resistance; not advised for beach or pool use–
BiometricsFingerprint sensorRear fingerprint reader and face recognition
SensorsAccelerometer, fingerprint sensor, gyro sensor, geomagnetic sensor, light sensor, virtual proximity sensing–
SpeakersNo stereo support (Samsung UK spec)3.5 mm headphone socket; mono speaker
Software
Operating systemAndroidAndroid
Software at launchOne UI 7 (Android 15)Android 9 Pie with One UI
Safety features–Samsung Knox
Software updatesSix OS upgrades and six years of security updates; security updates until 31 August 2031 (UK)–
AI featuresGemini Live; Circle to Search with Google–

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