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Vivo X21 UD vs Samsung Galaxy J7 Pro
Vivo X21 UD
vs
Samsung Galaxy J7 Pro
comparison
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Vivo X21 UD
Samsung Galaxy J7 Pro
key specs
Display
6.28-inch
5.50-inch
Processor
Qualcomm Snapdragon 660
Samsung Exynos 7 Octa 7870
Front Camera
12-megapixel
13-megapixel
Rear Camera
12-megapixel
13-megapixel
RAM
6GB
3GB
Storage
128GB
64GB
Battery Capacity
3200mAh
3600mAh
OS
Android 8.1
Android 7.0
Resolution
1080x2280 pixels
1080x1920 pixels
general
Brand
Vivo
Samsung
Model
X21 UD
Galaxy J7 Pro
Release date
March 1, 2018
June 1, 2017
Form factor
Touchscreen
Touchscreen
Dimensions (mm)
154.50 x 74.80 x 7.40
152.40 x 74.70 x 7.90
Weight (g)
156.20
-
Battery capacity (mAh)
3200
3600
Colours
Ruby Red, Aurora White, Black
Black, Gold
Launched in India
-
Yes
Removable battery
-
No
display
Screen size (inches)
6.28
5.50
Touchscreen
Yes
Yes
Resolution
1080x2280 pixels
1080x1920 pixels
Aspect ratio
-
16:9
Pixels per inch (PPI)
-
401
hardware
Processor
octa-core
1.6GHz octa-core
Processor make
Qualcomm Snapdragon 660
Samsung Exynos 7 Octa 7870
RAM
6GB
3GB
Internal storage
128GB
64GB
Expandable storage
-
Yes
Expandable storage type
-
microSD
Expandable storage up to (GB)
-
128
camera
Rear camera
12-megapixel
13-megapixel (f/1.7)
Rear flash
LED
LED
Front camera
12-megapixel
13-megapixel (f/1.9)
Rear autofocus
-
Yes
Front flash
-
LED
software
Operating system
Android 8.1
Android 7.0
Skin
FunTouch 4.0
-
connectivity
Wi-Fi
Yes
Yes
Wi-Fi standards supported
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
Headphones
3.5mm
3.5mm
Number of SIMs
2
2
NFC
-
Yes
Infrared
-
No
Micro-USB
-
Yes
FM
-
Yes
Wi-Fi Direct
-
No
Mobile High-Definition Link (MHL)
-
No
sim 1
SIM Type
Micro-SIM
Nano-SIM
GSM/CDMA
GSM
GSM
3G
Yes
No
4G/ LTE
Yes
Yes
sim 2
SIM Type
Micro-SIM
-
GSM/CDMA
GSM
-
3G
Yes
No
4G/ LTE
Yes
Yes
sensors
Compass/ Magnetometer
Yes
Yes
Proximity sensor
Yes
Yes
Ambient light sensor
Yes
Yes
Gyroscope
Yes
Yes
Fingerprint sensor
-
Yes
Accelerometer
-
Yes
Barometer
-
No
Temperature sensor
-
No
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