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Realme X3 vs Vivo X21s
Realme X3
vs
Vivo X21
comparison
Show Only Differences
Highlight Differences
Realme X3
Vivo X21s
key specs
Display
6.60-inch
6.41-inch
Processor
Qualcomm Snapdragon 855+
Qualcomm Snapdragon 660
Front Camera
16-megapixel + 8-megapixel
24.8-megapixel
Rear Camera
64-megapixel + 8-megapixel + 12-megapixel + 2-megapixel
12-megapixel + 5-megapixel
RAM
6GB
6GB
Storage
128GB
128GB
Battery Capacity
4200mAh
3400mAh
OS
Android 10
Android 8.1 Oreo
Resolution
1080x2400 pixels
1080x2340 pixels
general
Brand
Realme
Vivo
Model
X3
X21s
Release date
June 25, 2020
November 1, 2018
Launched in India
Yes
-
Form factor
Touchscreen
Touchscreen
Dimensions (mm)
163.80 x 75.80 x 8.90
157.91 x 75.08 x 7.90
Weight (g)
202.00
156.00
Battery capacity (mAh)
4200
3400
Removable battery
No
-
Fast charging
Proprietary
-
Colours
Arctic White, Glacier Blue
Starry Night Black
display
Screen size (inches)
6.60
6.41
Touchscreen
Yes
Yes
Resolution
1080x2400 pixels
1080x2340 pixels
Protection type
Gorilla Glass
-
Aspect ratio
20:9
19.5:9
hardware
Processor
octa-core
octa-core
Processor make
Qualcomm Snapdragon 855+
Qualcomm Snapdragon 660
RAM
6GB
6GB
Internal storage
128GB
128GB
Expandable storage
No
Yes
Expandable storage type
-
microSD
Expandable storage up to (GB)
-
256
camera
Rear camera
64-megapixel (f/1.8) + 8-megapixel (f/2.3) + 12-megapixel (f/2.5) + 2-megapixel (f/2.4)
12-megapixel + 5-megapixel
Rear autofocus
Yes
Yes
Rear flash
Yes
-
Front camera
16-megapixel (f/2.0) + 8-megapixel (f/2.2)
24.8-megapixel
software
Operating system
Android 10
Android 8.1 Oreo
Skin
Realme UI
-
connectivity
Wi-Fi
Yes
Yes
Wi-Fi standards supported
802.11 a/b/g/n/ac
-
GPS
Yes
Yes
Bluetooth
Yes, v 5.00
Yes
USB Type-C
Yes
-
Number of SIMs
2
2
Micro-USB
-
Yes
Headphones
-
3.5mm
sim 1
SIM Type
Nano-SIM
-
GSM/CDMA
GSM
GSM
3G
Yes
Yes
4G/ LTE
Yes
Yes
sim 2
SIM Type
Nano-SIM
-
GSM/CDMA
GSM
GSM
3G
Yes
Yes
4G/ LTE
Yes
Yes
sensors
Face unlock
Yes
Yes
Fingerprint sensor
Yes
Yes
Compass/ Magnetometer
Yes
Yes
Proximity sensor
Yes
Yes
Accelerometer
Yes
Yes
Ambient light sensor
Yes
Yes
Gyroscope
Yes
Yes
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