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Realme 9 4G vs Vivo X21 comparison

 Compare Realme 9 4G
Realme 9 4G
Compare Vivo X21
Vivo X21
key specs
Display6.40-inch6.28-inch
Front Camera16-megapixel 12-megapixel
Rear Camera108-megapixel + 8-megapixel + 2-megapixel 12-megapixel + 5-megapixel
RAM6GB, 8GB6GB
Storage128GB128GB
Battery Capacity5,000mAh3200mAh
Resolution1080x2400 pixels1080x2280 pixels
Processor-Qualcomm Snapdragon 660
OS-Android 8.1
general
BrandRealmeVivo
Model9 4GX21
Release dateApril 7, 2022March 1, 2018
Launched in IndiaYesYes
Dimensions (mm)160.20 x 73.30 x 7.99154.50 x 74.80 x 7.40
Weight (g)178.00156.20
Battery capacity (mAh)5,0003200
Removable batteryNoNo
Form factor-Touchscreen
Fast charging-Proprietary
Colours-Black, Gold
display
Refresh Rate90 Hz-
Resolution StandardFHD+-
Screen size (inches)6.406.28
TouchscreenYesYes
Resolution1080x2400 pixels1080x2280 pixels
Aspect ratio-19:9
hardware
Processor makeQualcomm Snapdragon 680Qualcomm Snapdragon 660
RAM6GB, 8GB6GB
Internal storage128GB128GB
Expandable storageYesYes
Dedicated microSD slotYes-
Processor-2.2GHz octa-core
Expandable storage type-microSD
Expandable storage up to (GB)-256
camera
Rear camera108-megapixel (f/1.75) + 8-megapixel (f/2.2) + 2-megapixel (f/2.4)12-megapixel (f/1.8, 1.4-micron) + 5-megapixel (f/2.4)
Front camera16-megapixel (f/2.45)12-megapixel (f/2.0)
Rear autofocus-Phase detection autofocus
Rear flash-LED
software
SkinRealme UI 3.0FunTouch 4.0
Operating system-Android 8.1
connectivity
Wi-FiYesYes
Wi-Fi standards supported802.11 a/b/g/n/ac802.11 a/b/g/n/ac
GPSYesYes
BluetoothYes, v 5.10Yes, v 5.00
USB Type-CYes-
Headphones3.5mm3.5mm
Number of SIMs22
Active 4G on both SIM cardsYes-
NFC-No
Infrared-No
USB OTG-Yes
Micro-USB-Yes
FM-No
sim 1
SIM TypeNano-SIMNano-SIM
GSM/CDMAGSMGSM
3GYesYes
4G/ LTEYesYes
sim 2
SIM TypeNano-SIMNano-SIM
GSM/CDMAGSMGSM
3GYesYes
4G/ LTEYesYes
ratings
Overall NDTV Rating-Read Review
Design Rating-
Display Rating-
Software Rating-
Performance Rating-
Battery Life Rating-
Camera Rating-
Value for Money Rating-
sensors
Fingerprint sensor-Yes
Compass/ Magnetometer-Yes
Proximity sensor-Yes
Accelerometer-Yes
Ambient light sensor-Yes
Gyroscope-Yes

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