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Oppo A3s vs Samsung Galaxy J4 vs Samsung Galaxy J7 Nxt
Oppo A3s
vs
Samsung Galaxy J4
vs
Samsung Galaxy J7 Nxt
comparison
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Highlight Differences
Oppo A3s
Samsung Galaxy J4
Samsung Galaxy J7 Nxt
key specs
Display
6.20-inch
5.50-inch
5.50-inch
Processor
Qualcomm Snapdragon 450
Samsung Exynos 7570
1.6GHz octa-core
Front Camera
8-megapixel
5-megapixel
5-megapixel
Rear Camera
13-megapixel + 2-megapixel
13-megapixel
13-megapixel
RAM
2GB
2GB
2GB
Storage
16GB
16GB
16GB
Battery Capacity
4230mAh
3000mAh
3000mAh
OS
Android 8.1 Oreo
Android 8.0
Android 7.0
Resolution
720x1520 pixels
720x1280 pixels
720x1280 pixels
general
Brand
Oppo
Samsung
Samsung
Model
A3s
Galaxy J4
Galaxy J7 Nxt
Form factor
Touchscreen
Touchscreen
Touchscreen
Dimensions (mm)
156.20 x 75.60 x 8.20
151.70 x 77.20 x 8.10
152.40 x 78.60 x 7.60
Weight (g)
168.00
175.00
170.00
Battery capacity (mAh)
4230
3000
3000
Colours
Red, Dark Purple
Black, Orchid Gray, Gold
Black, Gold
Release date
-
May 1, 2018
July 1, 2017
Launched in India
-
Yes
-
Removable battery
-
Yes
No
display
Screen size (inches)
6.20
5.50
5.50
Touchscreen
Yes
Yes
Yes
Resolution
720x1520 pixels
720x1280 pixels
720x1280 pixels
Aspect ratio
19:9
16:9
-
hardware
Processor
1.8GHz octa-core
1.4GHz quad-core
1.6GHz octa-core
Processor make
Qualcomm Snapdragon 450
Samsung Exynos 7570
-
RAM
2GB
2GB
2GB
Internal storage
16GB
16GB
16GB
Expandable storage
Yes
Yes
Yes
Expandable storage type
microSD
microSD
microSD
Expandable storage up to (GB)
256
256
256
camera
Rear camera
13-megapixel (f/2.2) + 2-megapixel (f/2.4)
13-megapixel (f/1.9)
13-megapixel
Rear autofocus
Yes
Yes
-
Rear flash
LED
LED
LED
Front camera
8-megapixel (f/2.2)
5-megapixel (f/2.2)
5-megapixel
Front flash
-
LED
LED
software
Operating system
Android 8.1 Oreo
Android 8.0
Android 7.0
Skin
ColorOS 5.1
-
-
connectivity
Wi-Fi
Yes
Yes
Yes
GPS
Yes
Yes
Yes
Bluetooth
Yes, v 4.20
Yes, v 4.20
Yes, v 4.10
Micro-USB
Yes
Yes
-
Headphones
3.5mm
-
Yes
Wi-Fi Direct
Yes
-
No
Wi-Fi standards supported
-
802.11 b/g/n
802.11 b/g/n
FM
-
Yes
No
Number of SIMs
-
2
2
NFC
-
-
No
Infrared
-
-
No
USB OTG
-
-
No
Mobile High-Definition Link (MHL)
-
-
No
sensors
Compass/ Magnetometer
Yes
-
No
Proximity sensor
Yes
Yes
Yes
Accelerometer
Yes
Yes
Yes
Ambient light sensor
-
-
Yes
Gyroscope
-
-
No
Barometer
-
-
No
Temperature sensor
-
-
No
sim 1
SIM Type
-
Micro-SIM
Micro-SIM
GSM/CDMA
-
GSM
GSM
3G
-
Yes
Yes
4G/ LTE
-
Yes
Yes
sim 2
SIM Type
-
Micro-SIM
Micro-SIM
GSM/CDMA
-
GSM
GSM
3G
-
Yes
No
4G/ LTE
-
Yes
No
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