Realme U1 vs Oppo R15x vs Oppo F9 vs Realme 1 comparison

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ratings
Overall NDTV Rating-
Design Rating-
Display Rating-
Software Rating-
Performance Rating-
Battery Life Rating-
Camera Rating-
Value for Money Rating-
general
Release dateNovember 2018November 2018August 2018May 2018
Launched in IndiaYes-YesYes
Form factorTouchscreen-TouchscreenTouchscreen
Dimensions (mm)157.00 x 74.00 x 8.00-156.70 x 74.00 x 7.90156.00 x 75.20 x 7.80
Weight (g)168.00-169.00155.00
Battery capacity (mAh)3500350035003410
Removable batteryNo---
Wireless chargingNo---
ColoursAmbitious Black, Brave Blue, and Fiery GoldNebula, Ice BlueSunrise Red, Twilight Blue, Starry PurpleDiamond Black, Moonlight Silver, Solar Red
SAR value1.31---
display
Screen size (inches)6.306.406.306.00
TouchscreenYesYesYesYes
Resolution1080x2340 pixels-1080x2340 pixels1080x2160 pixels
Protection typeGorilla Glass---
Aspect ratio19.5:9-19.5:918:9
Pixels per inch (PPI)409--402
hardware
Processor2.1GHz octa-coreocta-core2GHz octa-coreocta-core (4x2GHz + 4x2GHz)
Processor makeMediaTek Helio P70Qualcomm Snapdragon 660MediaTek Helio P60MediaTek Helio P60
RAM4GB6GB4GB6GB
Internal storage64GB128GB64GB128GB
Expandable storageYes-YesYes
Expandable storage typemicroSD-microSDmicroSD
Expandable storage up to (GB)256-256256
Dedicated microSD slotYes---
camera
Rear camera13-megapixel (f/2.2) + 2-megapixel (f/2.4)16-megapixel + 2-megapixel16-megapixel (f/1.8) + 2-megapixel (f/2.4)13-megapixel (f/2.2)
Rear flashLED-YesLED
Front camera25-megapixel (f/2.0)25-megapixel16-megapixel8-megapixel (f/2.2)
Rear autofocus---Phase detection autofocus
Front flash---No
software
Operating systemAndroid 8.1 OreoAndroid OreoAndroid OreoAndroid 8.1
SkinColorOS 5.2ColorOS 5.2Color OS 5.2ColorOS 5.0
connectivity
Wi-FiYesYesYesYes
Wi-Fi standards supported802.11 a/b/g/n/ac-802.11 a/b/g/n/ac802.11 b/g/n
GPSYesYesYesYes
BluetoothYes, v 4.20Yes4.20Yes, v 4.20
USB OTGYes-YesYes
Micro-USBYes-YesYes
Headphones3.5mm3.5mm3.5mm3.5mm
FMYes--Yes
Number of SIMs2-22
Active 4G on both SIM cardsYes---
sim 1
SIM TypeNano-SIM-Nano-SIMNano-SIM
GSM/CDMAGSM-GSMGSM
3GYes-YesYes
4G/ LTEYes-YesYes
sim 2
SIM TypeNano-SIM-Nano-SIMNano-SIM
GSM/CDMAGSM-GSMGSM
3GYes-YesYes
4G/ LTEYes-YesYes
sensors
Face unlockYes---
Fingerprint sensorYes-Yes-
Compass/ MagnetometerYes-YesYes
Proximity sensorYes-YesYes
AccelerometerYes-YesYes
Ambient light sensorYes-YesYes
GyroscopeYes--Yes