Oppo K1 vs OnePlus 6T vs Samsung Galaxy A7 (2018) vs Mi A1 comparison

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ratings
Overall NDTV RatingRead ReviewRead ReviewRead ReviewRead Review
Design Rating
Display Rating
Software Rating
Performance Rating
Battery Life Rating
Camera Rating
Value for Money Rating
key specs
Display6.41-inch6.41-inch6.00-inch5.50-inch
ProcessorQualcomm Snapdragon 660Qualcomm Snapdragon 8452.2GHz octa-coreQualcomm Snapdragon 625
Front Camera25-megapixel16-megapixel 24-megapixel 5-megapixel
Rear Camera16-megapixel + 2-megapixel16-megapixel + 20-megapixel 24-megapixel + 8-megapixel + 5-megapixel 12-megapixel
RAM4GB8GB4GB4GB
Storage64GB128GB64GB64GB
Battery Capacity3600mAh3700mAh3300mAh3080mAh
OSAndroid 8.1 OreoAndroid 9.0Android 8.0Android 7.1.2
Resolution1080x2340 pixels1080x2340 pixels1080x2220 pixels1080x1920 pixels
general
BrandOppoOnePlusSamsungXiaomi
ModelK16TGalaxy A7 (2018)Mi A1
Release dateFebruary 1, 2019October 1, 2018September 1, 2018September 1, 2017
Launched in IndiaYes-YesYes
Form factorTouchscreenTouchscreen-Touchscreen
Body typePlasticGlass--
Dimensions (mm)158.30 x 75.50 x 7.40157.50 x 74.80 x 8.20159.80 x 76.80 x 7.50155.40 x 75.80 x 7.30
Weight (g)156.00185.00168.00165.00
Battery capacity (mAh)3600370033003080
Removable batteryNoNoNoNo
Wireless chargingNoNoNo-
ColoursAstral Blue, Piano BlackMidnight Black, Mirror BlackBlack, Blue, Gold, PinkRose Gold, Gold, Black
Fast charging-Proprietary--
display
Screen size (inches)6.416.416.005.50
TouchscreenYesYesYesYes
Resolution1080x2340 pixels1080x2340 pixels1080x2220 pixels1080x1920 pixels
Protection typeGorilla GlassGorilla Glass--
Aspect ratio19.5:919.5:918.5:916:9
hardware
Processor2.2GHz octa-coreocta-core (4x2.8GHz)2.2GHz octa-core2GHz octa-core
Processor makeQualcomm Snapdragon 660Qualcomm Snapdragon 845-Qualcomm Snapdragon 625
RAM4GB8GB4GB4GB
Internal storage64GB128GB64GB64GB
Expandable storageYesNoYesYes
Expandable storage typemicroSD-microSDmicroSD
Expandable storage up to (GB)256-512128
Dedicated microSD slotYes---
camera
Rear camera16-megapixel + 2-megapixel16-megapixel (f/1.7, 1.22-micron) + 20-megapixel (f/1.7, 1-micron)24-megapixel (f/1.7) + 8-megapixel (f/2.4) + 5-megapixel (f/2.2)12-megapixel
Rear autofocusYesPhase detection autofocusYes-
Rear flashYesDual LEDYesDual LED
Front camera25-megapixel16-megapixel (f/2.0, 1-micron)24-megapixel (f/2.0)5-megapixel
Front flash-NoYes-
Front autofocus--No-
software
Operating systemAndroid 8.1 OreoAndroid 9.0Android 8.0Android 7.1.2
SkinColorOS 5.2OxygenOS--
connectivity
Wi-FiYesYesYesYes
Wi-Fi standards supported802.11 a/b/g/n/ac802.11 a/b/g/n/ac802.11 a/b/g/n/ac802.11 a/b/g/n/ac
GPSYesYesYesYes
BluetoothYes, v 5.00Yes, v 5.00Yes, v 5.00Yes, v 4.20
NFCNoYesNoNo
USB OTGYesYes-Yes
Micro-USBYes---
HeadphonesYesType-C-3.5mm
FMNo-YesNo
Active 4G on both SIM cardsYesYesYes-
USB Type-C-Yes-Yes
Number of SIMs-222
Infrared---Yes
Wi-Fi Direct---No
Mobile High-Definition Link (MHL)---No
sensors
Fingerprint sensorYesYesYesYes
Compass/ MagnetometerYesYesYesYes
Proximity sensorYesYesYesYes
AccelerometerYesYesYesYes
Ambient light sensorYesYesYesYes
GyroscopeYesYesYesYes
Face unlock-YesYes-
Barometer---No
Temperature sensor---No
sim 1
SIM Type-Nano-SIMNano-SIMNano-SIM
GSM/CDMA-GSM-GSM
3G-Yes-Yes
4G/ LTE-Yes-Yes
sim 2
SIM Type-Nano-SIMNano-SIMNano-SIM
GSM/CDMA-GSM-GSM
3G-Yes-Yes
4G/ LTE-YesYesYes
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