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Samsung Galaxy A18 vs Samsung Galaxy A3 (2017)

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

Better figure, where one is clearly better

SamsungGalaxy A18SamsungGalaxy A3 (2017)
Overview
ReleasedSeptember 2026February 2017
Display
Screen size6.7″4.7″
Resolution2340 × 10801280 × 720
Sharpness385 pixels per inch312 pixels per inch
PanelOLEDOLED
Refresh rate90 Hz–
Display typeSuper AMOLED, FHD+, 16 million colours; 6.7-inch full rectangle, 6.5-inch accounting for rounded cornersHD Super AMOLED with Always On Display
Screen protectionCorning Gorilla Glass 3 on the front–
Performance
ChipExynos 1610Exynos 7870
Memory4 GB2 GB
Storage128 GB16 GB
CPUOcta-core, 2.4 GHz and 2 GHz1.6 GHz octa-core; identified as Exynos 7870 by TechRadar and Notebookcheck
Storage type–MicroSD slot supports up to 256 GB
MemoryLPDDR5; RAM Plus uses internal storage as virtual memory, separate from physical RAM–
Cameras
Main camera50 MP13 MP
Ultra wide camera5 MPNone
Telephoto cameraNoneNone
Optical zoomNoneNone
Front camera13 MP8 MP
Main camera50 MP, F1.8, autofocus; Samsung UK's exact specification lists no OIS, conflicting with GSMArena's stabilisation description13 MP, F1.9
Ultra wide camera5 MP, F2.2–
Front camera13 MP, F2.0; no autofocus or OIS8 MP, F1.9
ZoomDigital zoom up to 10×–
Video recordingFHD (1920 × 1080) at 30 fps; slow motion at 120 fps in HD–
Camera features2 MP F2.4 macro camera; rear flash–
Battery and charging
Battery5,000 mAh2,350 mAh
Wired chargingUp to 25 W–
Wireless chargingNoneNone
Battery life detailTypical 5,000 mAh, non-removable; EU energy class A, minimum battery endurance 1,200 cycles2,350 mAh
Wired chargingUp to 25 W; Samsung France claims 50% charge in 30 minutes; charger sold separately–
Design
TypeStandardStandard
Weight196 g138 g
Thickness7.7 mm7.9 mm
Height × width164.4 × 77.9 mm135.4 × 66.2 mm
Water and dust resistanceIP64IP68
Materials–Metal frame and 3D glass back
ColoursBlack, Silver, Light Blue (UK)Black Sky, Gold Sand, Blue Mist and Peach Cloud
Water resistance detailIP64, dust-tight and splash-resistant; maker test sprays 10 litres of fresh water per minute from all angles for five minutes; not recommended for beach or pool use–
BiometricsSide-button fingerprint recognition sensor (exact repair guide)Fingerprint reader in the home button
SensorsAccelerometer, fingerprint sensor, gyro sensor, geomagnetic sensor, light sensor, virtual proximity sensing–
SpeakersNo stereo support (Samsung UK)–
Software
Operating systemAndroidAndroid
Software at launchAndroid 17 with One UI 9 (Samsung France)Android 6.0 Marshmallow
Software featuresKnox Vault, Quick Share and Smart Switch; no Samsung DeX support–
Release detailSamsung France confirmed already available on 15 September 2026; first retail day is not established, so month precision is retained. Swedish announcement says availability later in 2026.–
Software updatesUp to six generations of OS upgrades and six years of security updates; UK security support listed until 31 October 2032–
AI featuresCircle to Search with Google; Gemini (Samsung France)–
Connectivity
Mobile network4G LTE FDD/TDD; 3G WCDMA and 2G GSM; no 5G–
SIMDual nano-SIM; UK technical table specifies SIM 1 plus hybrid second SIM/microSD slot, despite its generic FAQ calling the microSD slot dedicated–
Wi-FiWi-Fi 5 (802.11a/b/g/n/ac), 2.4 and 5 GHz, VHT80; Wi-Fi Direct–
BluetoothBluetooth 5.3–
NFCYes (UK model)–
USBUSB Type-C, USB 2.0; audio via USB-CUSB-C
PositioningGPS, Glonass, Beidou, Galileo, QZSS–

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