Samsung Galaxy A18 4G 128GB vs OPPO A3

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Selected Item Samsung Galaxy A18 4G 128GBKSh 25,000Out of stock	× OPPO A3KSh 23,600Choose options

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At a glance

Key specifications and important differences. Full details follow below.

Feature	Samsung Galaxy A18 4G 128GB	OPPO A3
Price	KSh 25,000	KSh 23,600
Display	6.7 inches: Super AMOLED, 90Hz	6.67-inch LCD, 90Hz, up to 1000 nits
Processor	Exynos 1610	Qualcomm Snapdragon 6s 4G Gen 1
RAM	4GB	6GB or 8GB LPDDR4X (configuration dependent)
Storage	128GB	128GB or 256GB
Rear camera	50 MP, f/1.8, (wide), 1/2.76", 0.64µm, AF, OIS 5 MP, f/2.2, (ultrawide), 1/5.0", 1.12µm 2 MP (macro)	50MP main camera, f/1.8
Battery	5000 mAh	5100mAh (typical)
Charging	25W wired	45W SUPERVOOC wired
Weight	196 g (6.91 oz)	186 g
Operating system	Android 17, up to 6 major OS updates, One UI 9	ColorOS 14 based on Android
Network	GSM / HSPA / LTE	GSM / WCDMA / LTE (4G)

Full specifications

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SpecificationSamsung Galaxy A18 4G 128GBOPPO A3

General

Specification	Samsung Galaxy A18 4G 128GB	OPPO A3
Brand	Samsung	OPPO
Model	Galaxy A18 4G	A3 (CPH2669)
Announced	2026, September 15	2024

Design

Specification	Samsung Galaxy A18 4G 128GB	OPPO A3
Dimensions	164.4 x 77.9 x 7.7 mm (6.47 x 3.07 x 0.30 in)	165.77 × 76.08 × 7.68 mm
Weight	196 g (6.91 oz)	186 g
Build materials	Glass front (Gorilla Glass 3), plastic back, plastic frame	Reinforced body with double-tempered glass

Display

Specification	Samsung Galaxy A18 4G 128GB	OPPO A3
Display	6.7 inches: Super AMOLED, 90Hz	6.67-inch LCD, 90Hz, up to 1000 nits
Screen resolution	1080 x 2340 pixels, 19.5:9 ratio (~385 ppi density)	1604 × 720 (HD+), 264 ppi
Display protection	Corning Gorilla Glass Victus+, Mohs level 5	Double-reinforced glass
Display features	Super AMOLED, 90Hz	90Hz refresh rate; up to 1000 nits; Splash Touch

Performance

Specification	Samsung Galaxy A18 4G 128GB	OPPO A3
Processor	Exynos 1610	Qualcomm Snapdragon 6s 4G Gen 1
CPU	Octa-core (2x2.4 GHz Cortex-A7X & 6x2.0 GHz Cortex-A55)	Octa-core
GPU	Mali-G57 MC2	Adreno 610 at 1050MHz

Memory & Storage

Specification	Samsung Galaxy A18 4G 128GB	OPPO A3
RAM	4GB	6GB or 8GB LPDDR4X (configuration dependent)
Storage	128GB	128GB or 256GB
Storage technology	—	eMMC 5.1
Expandable storage	microSDXC (uses shared SIM slot)	microSD supported

Cameras

Specification	Samsung Galaxy A18 4G 128GB	OPPO A3
Rear camera	50 MP, f/1.8, (wide), 1/2.76", 0.64µm, AF, OIS 5 MP, f/2.2, (ultrawide), 1/5.0", 1.12µm 2 MP (macro)	50MP main camera, f/1.8
Front camera	13 MP, f/2.0, (wide), 1/3.1", 1.12µm	5MP, f/2.2
Rear camera features	LED flash, panorama, HDR	LED flash, Photo, Portrait, Night, Pro, Panorama, Google Lens
Rear camera video	1080p@30fps	1080p at 30fps; 720p at 30fps
Front camera features	HDR	Portrait, Night, Panorama, Dual-view video, screen fill light
Front camera video	1080p@30fps	1080p at 30fps; 720p at 30fps

Battery & Charging

Specification	Samsung Galaxy A18 4G 128GB	OPPO A3
Battery	5000 mAh	5100mAh (typical)
Charging	25W wired	45W SUPERVOOC wired

Software

Specification	Samsung Galaxy A18 4G 128GB	OPPO A3
Operating system	Android 17, up to 6 major OS updates, One UI 9	ColorOS 14 based on Android

Network

Specification	Samsung Galaxy A18 4G 128GB	OPPO A3
Network	GSM / HSPA / LTE	GSM / WCDMA / LTE (4G)
SIM	Nano-SIM + Nano-SIM	Dual Nano-SIM

Connectivity

Specification	Samsung Galaxy A18 4G 128GB	OPPO A3
NFC	Yes (market/region dependent)	Yes (market dependent)
Bluetooth	5.3, A2DP, LE	Bluetooth 5.0
Wi-Fi	Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct	Wi‑Fi 5 (802.11 a/b/g/n/ac), dual-band
Positioning	GPS, GALILEO, GLONASS, BDS, QZSS	GPS, BeiDou, GLONASS, Galileo, QZSS
Radio	FM radio (market/region dependent)	—
USB	USB Type-C 2.0	USB Type‑C; OTG
Ultra Wideband (UWB)	Not Supported	No
Satellite features	Not Supported	No

Durability

Specification	Samsung Galaxy A18 4G 128GB	OPPO A3
Water resistance	IP64 dust protected and water resistant (water splashes)	IP54

Features

Specification	Samsung Galaxy A18 4G 128GB	OPPO A3
Sensors	Fingerprint (side-mounted), accelerometer, compass Virtual proximity sensing	Side fingerprint sensor, proximity, ambient light, accelerometer, e-compass
Colors	Gray, Light Blue, Black	Sparkle Black, Starlight White, Starry Purple (market dependent)

Audio

Specification	Samsung Galaxy A18 4G 128GB	OPPO A3
Loudspeakers	Yes	Single speaker with Ultra Volume Mode
3.5 mm headphone jack	No	Yes — 3.5mm

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