Oppo A3x 4G vs Samsung Galaxy J7 comparison 4m522e

Show Only Differences Highlight Differences	Oppo A3x 4G	Samsung Galaxy J7
key specs
Display	6.67-inch	5.50-inch
Processor	Qualcomm Snapdragon 6s Gen 1	Samsung Exynos 7 Octa 7580
Front Camera	5-megapixel	5-megapixel
Rear Camera	8-megapixel	13-megapixel
RAM	4GB	1.5GB
Storage	64GB, 128GB	16GB
Battery Capacity	5100mAh	3000mAh
OS	Android 14	Android 5.1
Resolution	720x1604 pixels	720x1280 pixels
general
Brand	Oppo	Samsung
Model	A3x 4G	Galaxy J7
Release date	October 25, 2024	June 1, 2015
Launched in India	Yes	Yes
Form factor	Touchscreen	Touchscreen
Dimensions (mm)	165.77 x 76.80 x 7.68	152.40 x 78.60 x 7.50
Weight (g)	186.00	171.00
Battery capacity (mAh)	5100	3000
Removable battery	No	Yes
Fast charging	45W Fast Charging	-
Wireless charging	No	-
Colours	Nebula Red, Ocean Blue	Black, White, Gold
Body type	-	Plastic
display
Refresh Rate	90 Hz	-
Resolution Standard	HD+	-
Screen size (inches)	6.67	5.50
Touchscreen	Yes	Yes
Resolution	720x1604 pixels	720x1280 pixels
Protection type	Other	-
Aspect ratio	-	16:9
hardware
Processor	octa-core	1.5GHz octa-core
Processor make	Qualcomm Snapdragon 6s Gen 1	Samsung Exynos 7 Octa 7580
RAM	4GB	1.5GB
Internal storage	64GB, 128GB	16GB
Expandable storage	Yes	Yes
Expandable storage type	microSD	microSD
Expandable storage up to (GB)	-	128
camera
Rear camera	8-megapixel (f/2.0)	13-megapixel (f/1.9)
No. of Rear Cameras	2	-
Front camera	5-megapixel (f/2.2)	5-megapixel (f/2.2)
No. of Front Cameras	1	-
Rear autofocus	-	Yes
Rear flash	-	LED
Front flash	-	LED
software
Operating system	Android 14	Android 5.1
Skin	ColorOS 14	TouchWiz UI
connectivity
Wi-Fi	Yes	Yes
Wi-Fi standards ed	802.11 a/b/g/n/ac	802.11 b/g/n
GPS	Yes	Yes
Bluetooth	Yes, v 5.00	Yes, v 4.10
USB OTG	Yes	Yes
USB Type-C	Yes	-
Headphones	3.5mm	3.5mm
Number of SIMs	2	2
Active 4G on both SIM cards	Yes	-
NFC	-	No
Infrared	-	No
Micro-USB	-	Yes
FM	-	Yes
Wi-Fi Direct	-	Yes
Mobile High-Definition Link (MHL)	-	No
sim 1
SIM Type	Nano-SIM	Micro-SIM
GSM/CDMA	GSM	GSM
3G	Yes	Yes
4G/ LTE	Yes	Yes
sim 2
SIM Type	Nano-SIM	Micro-SIM
GSM/CDMA	GSM	GSM
3G	Yes	Yes
4G/ LTE	Yes	No
sensors
Fingerprint sensor	Yes	-
Com/ Magnetometer	Yes	No
Proximity sensor	Yes	Yes
Accelerometer	Yes	Yes
Ambient light sensor	Yes	No
Gyroscope	-	No
Barometer	-	No
Temperature sensor	-	No

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