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Samsung Galaxy A40 vs Realme U1 vs Xiaomi Mi A2 vs Redmi Note 5 Pro comparison

 Compare Samsung Galaxy A40
Samsung Galaxy A40
Compare Realme U1
Realme U1
Compare Xiaomi Mi A2
Xiaomi Mi A2
Compare Redmi Note 5 Pro
Redmi Note 5 Pro
key specs
Display5.90-inch6.30-inch5.99-inch5.99-inch
ProcessorSamsung Exynos 7885MediaTek Helio P70Qualcomm Snapdragon 660Qualcomm Snapdragon 636
Front Camera25-megapixel25-megapixel 20-megapixel 20-megapixel
Rear Camera16-megapixel 13-megapixel + 2-megapixel 12-megapixel + 20-megapixel 12-megapixel + 5-megapixel
RAM4GB4GB4GB4GB
Storage64GB64GB64GB64GB
Battery Capacity3100mAh3500mAh3000mAh4000mAh
OSAndroid 9.0 PieAndroid 8.1 OreoAndroid 8.1 OreoAndroid 7.1.1
Resolution1080x2280 pixels1080x2340 pixels1080x2160 pixels1080x2160 pixels
general
BrandSamsungRealmeXiaomiXiaomi
ModelGalaxy A40U1Mi A2Redmi Note 5 Pro
Release dateMarch 1, 2019November 1, 2018July 1, 2018February 1, 2018
Form factorTouchscreenTouchscreenTouchscreenTouchscreen
Dimensions (mm)144.30 x 69.10 x 7.90157.00 x 74.00 x 8.00158.70 x 75.40 x 7.30158.60 x 75.40 x 8.05
Battery capacity (mAh)3100350030004000
ColoursBlue, Black, Orange, WhiteAmbitious Black, Brave Blue, and Fiery GoldBlack, Gold, Lake Blue, Rose GoldBlack, Gold, Lake Blue, Rose Gold
Launched in India-YesYesYes
Weight (g)-168.00168.00181.00
Removable battery-NoNoNo
Wireless charging-No--
SAR value-1.31-1.19
Body type---Metal
display
Screen size (inches)5.906.305.995.99
TouchscreenYesYesYesYes
Resolution1080x2280 pixels1080x2340 pixels1080x2160 pixels1080x2160 pixels
Aspect ratio19:919.5:918:918:9
Protection type-Gorilla Glass-Gorilla Glass
Pixels per inch (PPI)-409403-
hardware
Processor1.8GHz octa-core2.1GHz octa-coreocta-core (4x2.2GHz + 4x1.8GHz)1.8GHz octa-core
Processor makeSamsung Exynos 7885MediaTek Helio P70Qualcomm Snapdragon 660Qualcomm Snapdragon 636
RAM4GB4GB4GB4GB
Internal storage64GB64GB64GB64GB
Expandable storageYesYesNoYes
Expandable storage typemicroSDmicroSDmicroSDmicroSD
Expandable storage up to (GB)-256-128
Dedicated microSD slot-Yes--
camera
Rear camera16-megapixel (f/2.0)13-megapixel (f/2.2) + 2-megapixel (f/2.4)12-megapixel (f/1.8, 1.25-micron) + 20-megapixel (f/1.8, 1.0-micron)12-megapixel (f/2.2, 1.25-micron) + 5-megapixel (f/2.0, 1.12-micron)
Rear autofocusYes-Phase detection autofocusPhase detection autofocus
Rear flashYesLEDDual LEDLED
Front camera25-megapixel25-megapixel (f/2.0)20-megapixel (f/2.2, 1.0-micron)20-megapixel (f/2.2, 1.0-micron)
Front flash--LEDLED
software
Operating systemAndroid 9.0 PieAndroid 8.1 OreoAndroid 8.1 OreoAndroid 7.1.1
SkinOne UIColorOS 5.2-MIUI 9
connectivity
Wi-FiYesYesYesYes
GPSYesYesYesYes
BluetoothYes, v 4.20Yes, v 4.20Yes, v 5.00Yes, v 5.00
NFCYes-YesNo
USB Type-CYes---
Headphones3.5mm3.5mmNo3.5mm
Number of SIMs2222
Wi-Fi standards supported-802.11 a/b/g/n/ac802.11 a/b/g/n/ac802.11 b/g/n/ac
USB OTG-YesYesYes
Micro-USB-Yes-Yes
FM-Yes-Yes
Active 4G on both SIM cards-Yes--
Wi-Fi Direct--YesYes
Infrared---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 unlockYesYes-Yes
Fingerprint sensorYesYesYesYes
Compass/ MagnetometerYesYesYesYes
Proximity sensorYesYesYesYes
AccelerometerYesYesYesYes
Ambient light sensorYesYesYesYes
GyroscopeYesYesYesYes
3D face recognition---No
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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