Vivo X23 vs Vivo X21 vs Oppo A57 comparison

Compare Vivo X23
Compare Vivo X21
Compare Oppo A57
key specs
Display6.41-inch6.28-inch5.20-inch
ProcessorQualcomm Snapdragon 670Qualcomm Snapdragon 660Qualcomm Snapdragon 435
Front Camera12-megapixel 12-megapixel 16-megapixel
Rear Camera12-megapixel + 13-megapixel 12-megapixel + 5-megapixel 13-megapixel
RAM8GB6GB3GB
Storage128GB128GB32GB
Battery Capacity3400mAh3200mAh2900mAh
OSAndroid 8.1 OreoAndroid 8.1Android 6.0
Resolution1080x2340 pixels1080x2280 pixels720x1280 pixels
general
BrandVivoVivoOppo
ModelX23X21A57
Release dateSeptember 1, 2018March 1, 2018November 1, 2016
Launched in IndiaNoYesYes
Form factorTouchscreenTouchscreenTouchscreen
Body typeGlass--
Dimensions (mm)157.68 x 74.06 x 7.47154.50 x 74.80 x 7.40149.10 x 72.90 x 7.65
Weight (g)160.50156.20147.00
Battery capacity (mAh)340032002900
ColoursFashion Orange, Fashion Purple, Midnight Blue, Phantom Purple, Phantom RedBlack, GoldRose Gold, Gold
Removable battery-NoNo
Fast charging-Proprietary-
SAR value--1.31
display
Screen size (inches)6.416.285.20
TouchscreenYesYesYes
Resolution1080x2340 pixels1080x2280 pixels720x1280 pixels
Aspect ratio-19:916:9
hardware
Processor2GHz octa-core2.2GHz octa-core1.4GHz octa-core
Processor makeQualcomm Snapdragon 670Qualcomm Snapdragon 660Qualcomm Snapdragon 435
RAM8GB6GB3GB
Internal storage128GB128GB32GB
Expandable storage-YesYes
Expandable storage type-microSDmicroSD
Expandable storage up to (GB)-256256
camera
Rear camera12-megapixel (f/1.8) + 13-megapixel (f/2.4)12-megapixel (f/1.8, 1.4-micron) + 5-megapixel (f/2.4)13-megapixel (f/2.2)
Front camera12-megapixel (f/2.0)12-megapixel (f/2.0)16-megapixel (f/2.0, 1.12-micron)
Rear autofocus-Phase detection autofocusPhase detection autofocus
Rear flash-LEDLED
Front autofocus--Yes
software
Operating systemAndroid 8.1 OreoAndroid 8.1Android 6.0
SkinFuntouch OS 4.5FunTouch 4.0ColorOS 3.0
connectivity
Wi-FiYesYesYes
GPSYesYesYes
BluetoothYes, v 4.00Yes, v 5.00Yes, v 4.10
USB OTGYesYesYes
Number of SIMs222
Wi-Fi standards supported-802.11 a/b/g/n/ac802.11 b/g/n
NFC-NoNo
Infrared-NoNo
Micro-USB-YesYes
Headphones-3.5mm3.5mm
FM-NoYes
Wi-Fi Direct--No
Mobile High-Definition Link (MHL)--No
sim 1
GSM/CDMAGSMGSMGSM
4G/ LTEYesYesYes
SIM Type-Nano-SIMNano-SIM
3G-YesYes
sim 2
GSM/CDMAGSMGSMGSM
4G/ LTEYesYesYes
SIM Type-Nano-SIMNano-SIM
3G-YesYes
sensors
Face unlockYes--
Fingerprint sensorYesYesYes
Compass/ MagnetometerYesYesYes
Proximity sensorYesYesYes
AccelerometerYesYesYes
Ambient light sensorYesYesYes
Gyroscope-YesYes
Barometer--No
Temperature sensor--No
ratings
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Value for Money Rating-

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