Oppo AX5s vs Oppo A7X vs Oppo R15 vs Samsung Galaxy S5-LTE comparison

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key specs
Display6.20-inch6.30-inch6.28-inch5.10-inch
Processor1.8GHz octa-core2GHz octa-core2GHz octa-core2.5GHz quad-core
Front Camera8-megapixel 8-megapixel20-megapixel2-megapixel
Resolution720x1520 pixels-1080x2280 pixels1080x1920 pixels
RAM3GB4GB6GB2GB
OSAndroid 8.1Android OreoAndroid 8.1Android 4.4.2
Storage64GB128GB128GB16GB
Rear Camera13-megapixel + 2-megapixel 16-megapixel16-megapixel16-megapixel
Battery Capacity4230mAh-3450mAh2800mAh
general
Release dateMarch 2019September 2018March 2018July 2014
Launched in IndiaNoNo--
Form factorTouchscreenTouchscreenTouchscreenTouchscreen
Dimensions (mm)155.90 x 75.40 x 8.20-155.10 x 75.20 x 7.40142.00 x 72.50 x 8.10
Weight (g)170.00-175.00145.00
Battery capacity (mAh)4230-34502800
ColoursBlack, RedStar Purple, Ice Flame BlueSnow White, Hot Red, Star Purple-
Alternate names---SM-G900I
Removable battery---Yes
display
Screen size (inches)6.206.306.285.10
TouchscreenYesYesYesYes
Resolution720x1520 pixels-1080x2280 pixels1080x1920 pixels
Aspect ratio19:919.5:9--
hardware
Processor1.8GHz octa-core2GHz octa-core2GHz octa-core2.5GHz quad-core
Processor makeMediaTek Helio P35MediaTek Helio P60MediaTek Helio P60Qualcomm MSM8974AC Snapdragon 801
RAM3GB4GB6GB2GB
Internal storage64GB128GB128GB16GB
Expandable storageYesYesYesYes
Expandable storage typemicroSD-microSDmicroSD
Expandable storage up to (GB)256-256128
camera
Rear camera13-megapixel (f/2.2) + 2-megapixel (f/2.4)16-megapixel16-megapixel16-megapixel
Rear autofocusYes---
Rear flashLEDYesLEDLED
Front camera8-megapixel (f/2.2)8-megapixel20-megapixel2-megapixel
software
Operating systemAndroid 8.1Android OreoAndroid 8.1Android 4.4.2
SkinColorOS 5.2Color OS 5.2ColorOS 5.0TouchWiz UI
connectivity
Wi-FiYesYesYesYes
Wi-Fi standards supported802.11 b/g/n802.11 a/b/g/n/ac802.11 a/b/g/n/ac802.11 a/b/g/n/ac
GPSYesYesYesYes
BluetoothYes, v 4.20-Yes, v 4.20Yes, v 4.00
USB OTGYes--No
Micro-USBYesYes--
Headphones3.5mm--3.5mm
FMYes--Yes
Number of SIMs2-21
NFC---Yes
Infrared---No
sim 1
SIM TypeNano-SIM-Nano-SIMMicro-SIM
GSM/CDMAGSM-GSMGSM
3GYes-YesYes
4G/ LTEYes-YesYes
sim 2
SIM TypeNano-SIM-Nano-SIM-
GSM/CDMAGSM-GSM-
3GYes-Yes-
4G/ LTEYes-Yes-
sensors
Compass/ MagnetometerYesYes-Yes
Proximity sensorYesYesYesYes
AccelerometerYesYesYesYes
Ambient light sensorYesYesYesYes
Fingerprint sensor-Yes--
Gyroscope---Yes
Barometer---Yes
Temperature sensor---No