Black Shark Helo vs Xiaomi Redmi 6A vs Xiaomi Redmi S2 vs Xiaomi Redmi 4X comparison

Compare Black Shark Helo
Compare Xiaomi Redmi 6A
Compare Xiaomi Redmi S2
Compare Xiaomi Redmi 4X
key specs
Display6.01-inch5.45-inch5.99-inch5.00-inch
ProcessorQualcomm Snapdragon 845MediaTek Helio A22 Qualcomm Snapdragon 625Qualcomm Snapdragon 435
Front Camera20-megapixel 5-megapixel16-megapixel5-megapixel
Rear Camera12-megapixel + 20-megapixel 13-megapixel 12-megapixel13-megapixel
RAM6GB2GB3GB2GB
Storage128GB16GB32GB16GB
Battery Capacity4000mAh3000mAh3080mAh4100mAh
OSAndroidAndroid 8.1 OreoAndroid 8.1 OreoAndroid MIUI 8
Resolution1080x2160 pixels720x1440 pixels720x1440 pixels720x1280 pixels
general
BrandBlack SharkXiaomiXiaomiXiaomi
ModelHeloRedmi 6ARedmi S2Redmi 4X
Release dateOctober 1, 2018June 1, 2018May 1, 2018February 1, 2017
Form factorTouchscreenTouchscreenTouchscreenTouchscreen
Dimensions (mm)160.00 x 75.25 x 8.70147.50 x 71.50 x 8.30160.73 x 77.26 x 8.10139.24 x 69.96 x 8.65
Weight (g)190.00145.00170.00150.00
Battery capacity (mAh)4000300030804100
ColoursBlackBlue, Gold, Rose Gold, BlackBlack, Rose Gold, Gold, White, Blue, Red, Pink, Gray, SilverCherry Pink, Champagne Gold, Matte Black
Launched in India-Yes--
Body type-Plastic--
Removable battery-NoNoNo
Wireless charging-No--
display
Screen size (inches)6.015.455.995.00
TouchscreenYesYesYesYes
Resolution1080x2160 pixels720x1440 pixels720x1440 pixels720x1280 pixels
Aspect ratio18:918:9--
Pixels per inch (PPI)-295--
hardware
Processor2.8GHz2GHz quad-core (4x2GHz)2GHz octa-core1.4GHz octa-core
Processor makeQualcomm Snapdragon 845MediaTek Helio A22 (MT6761)Qualcomm Snapdragon 625Qualcomm Snapdragon 435
RAM6GB2GB3GB2GB
Internal storage128GB16GB32GB16GB
Expandable storage-YesYesYes
Expandable storage type-microSDmicroSD-
Expandable storage up to (GB)-256256128
Dedicated microSD slot-Yes--
camera
Rear camera12-megapixel (f/1.75, 1.25-micron) + 20-megapixel (f/1.75, 1.0-micron)13-megapixel (f/2.2)12-megapixel13-megapixel
Rear autofocusPhase detection autofocusPhase detection autofocus--
Rear flashLEDLEDLEDLED
Front camera20-megapixel (f/2.2, 1.0-micron)5-megapixel16-megapixel5-megapixel
Front flash-NoYes-
software
Operating systemAndroidAndroid 8.1 OreoAndroid 8.1 OreoAndroid MIUI 8
Skin-MIUI 9.6MIUI 9-
connectivity
GPSYesYesYesYes
USB Type-CYesNo--
Wi-Fi-YesYesYes
Wi-Fi standards supported-802.11 b/g/n802.11 b/g/n802.11 b/g/n
Bluetooth-Yes, v 4.20Yes, v 4.20Yes, v 4.20
NFC-No-No
Infrared-NoYesNo
USB OTG-Yes-Yes
Micro-USB-Yes--
Headphones-3.5mm-3.5mm
FM-Yes-No
Number of SIMs-222
Active 4G on both SIM cards-Yes--
Wi-Fi Direct---No
Mobile High-Definition Link (MHL)---No
sensors
Fingerprint sensorYesNo--
Compass/ MagnetometerYesYesYesNo
Ambient light sensorYesYesYesYes
GyroscopeYesNoYesYes
Face unlock-Yes--
Proximity sensor-YesYesYes
Accelerometer-YesYesYes
Barometer---No
Temperature sensor---No
ratings
Overall NDTV Rating-Read Review--
Design Rating---
Display Rating---
Software Rating---
Performance Rating---
Battery Life Rating---
Camera Rating---
Value for Money Rating---
sim 1
SIM Type-Nano-SIMNano-SIMNano-SIM
GSM/CDMA-GSMGSMGSM
3G-YesYesYes
4G/ LTE-YesYesYes
sim 2
SIM Type-Nano-SIMNano-SIMMicro-SIM
GSM/CDMA-GSMGSMGSM
3G-YesYesYes
4G/ LTE-YesYesYes

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