Samsung Galaxy A40 vs Samsung Galaxy A50 vs Samsung Galaxy M30 vs Lenovo K8 Note comparison

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Compare Lenovo K8 Note
key specs
Display5.90-inch6.40-inch6.40-inch5.50-inch
ProcessorSamsung Exynos 7885-Samsung Exynos 7904MediaTek Helio X23
Front Camera25-megapixel25-megapixel 16-megapixel 13-megapixel
Rear Camera16-megapixel 25-megapixel + 5-megapixel + 8-megapixel 13-megapixel + 5-megapixel + 5-megapixel 13-megapixel
RAM4GB4GB4GB3GB
Storage64GB64GB64GB32GB
Battery Capacity3100mAh4000mAh5000mAh4000mAh
OSAndroid 9.0 PieAndroid PieAndroid 8.1 OreoAndroid 7.1.1
Resolution1080x2280 pixels1080x2340 pixels1080x2340 pixels1080x1920 pixels
general
BrandSamsungSamsungSamsungLenovo
ModelGalaxy A40Galaxy A50Galaxy M30K8 Note
Release dateMarch 1, 2019February 1, 2019February 1, 2019August 1, 2017
Form factorTouchscreenTouchscreenTouchscreenTouchscreen
Dimensions (mm)144.30 x 69.10 x 7.90158.50 x 74.70 x 7.70-154.50 x 75.90 x 8.50
Battery capacity (mAh)3100400050004000
ColoursBlue, Black, Orange, WhiteBlack, White, Blue-Fine Gold, Venom Black
Launched in India-YesYes-
Removable battery-No-No
Fast charging-ProprietaryProprietary-
Wireless charging-No--
Weight (g)---180.00
display
Screen size (inches)5.906.406.405.50
TouchscreenYesYesYesYes
Resolution1080x2280 pixels1080x2340 pixels1080x2340 pixels1080x1920 pixels
Aspect ratio19:9-19.5:9-
Pixels per inch (PPI)---441
hardware
Processor1.8GHz octa-core-1.6GHz octa-core (2x1.8GHz + 6x1.6GHz)1.4GHz deca-core
Processor makeSamsung Exynos 7885Samsung Exynos 9610Samsung Exynos 7904MediaTek Helio X23 (MT6797D)
RAM4GB4GB4GB3GB
Internal storage64GB64GB64GB32GB
Expandable storageYesYesYesYes
Expandable storage typemicroSDmicroSDmicroSDmicroSD
Expandable storage up to (GB)-512512128
Dedicated microSD slot-YesYes-
camera
Rear camera16-megapixel (f/2.0)25-megapixel (f/1.7) + 5-megapixel (f/2.2) + 8-megapixel (f/2.2)13-megapixel (f/1.9) + 5-megapixel (f/2.2) + 5-megapixel (f/2.2)13-megapixel
Rear autofocusYesYes--
Rear flashYesLED-Dual LED
Front camera25-megapixel25-megapixel (f/2.0)16-megapixel (f/2.0)13-megapixel
Front flash-No-LED
software
Operating systemAndroid 9.0 PieAndroid PieAndroid 8.1 OreoAndroid 7.1.1
SkinOne UIOne UISamsung Experience v9.5-
connectivity
Wi-FiYesYesYesYes
GPSYesYesYesYes
BluetoothYes, v 4.20Yes, v 5.00Yes, v 5.00Yes, v 4.10
NFCYes--No
USB Type-CYesYesYes-
Headphones3.5mm3.5mm-3.5mm
Number of SIMs2222
Wi-Fi standards supported--802.11 a/b/g/n/ac802.11 a/b/g/n/ac
Micro-USB--Yes-
Active 4G on both SIM cards--Yes-
Infrared---No
USB OTG---Yes
FM---Yes
Wi-Fi Direct---No
Mobile High-Definition Link (MHL)---No
sim 1
SIM TypeNano-SIMNano-SIMNano-SIMNano-SIM
GSM/CDMAGSMGSMGSMGSM
3GYesYesYesYes
4G/ LTEYesYesYesYes
sim 2
SIM TypeNano-SIMNano-SIMNano-SIMNano-SIM
GSM/CDMAGSMGSMGSMGSM
3GYesYesYesYes
4G/ LTEYesYesYesYes
sensors
Face unlockYes-Yes-
Fingerprint sensorYesYesYes-
Compass/ MagnetometerYes-YesYes
Proximity sensorYes-YesYes
AccelerometerYesYesYesYes
Ambient light sensorYesYesYesYes
GyroscopeYesYes-Yes
Barometer---No
Temperature sensor---No
ratings
Overall NDTV Rating-Read ReviewRead ReviewRead Review
Design Rating-
Display Rating-
Software Rating-
Performance Rating-
Battery Life Rating-
Camera Rating-
Value for Money Rating-

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