Phone Comparison - vivo Y55s vs Xiaomi Redmi 5a vs Samsung Galaxy S9+

general General Info

Manufacturer vivo Xiaomi Samsung
Announced February 2017 October 2017 February 2018
Status Coming Soon - February 2017 Available - October 2017 Coming Soon, March 2018
Price - Rs. 4,999 ($90.00) [Similarly Priced] Rs. 57,999 ($890.00) [Similarly Priced]
Colors Crown Gold, Space Gray Gold, Rose Gold, Gray Various
Form Factor Candybar Candybar Candybar
Dimension - 140.4 x 70.1 x 8.4 mm
(5.53 x 2.76 x 0.33 in)
158.1 x 73.8 x 8.5 mm
(6.22 x 2.91 x 0.33 in)
Weight - 137 g (4.83 oz) 189 g (6.67 oz)
SIM Type Dual SIM Hybrid Dual SIM (Nano-SIM, dual stand-by) Single SIM (Nano-SIM), Hybrid Dual SIM (Nano-SIM, dual stand-by)
2G Network GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
CDMA 800 & TD-SCDMA
GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (dual-SIM model only)
3G Network HSDPA 900 / 2100 HSDPA 850 / 900 / 1900 / 2100 HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
4G Network LTE band 3(1800), 5(850), 40(2300) LTE band 1(2100), 3(1800), 5(850), 7(2600), 8(900), 34(2000), 38(2600), 39(1900), 40(2300), 41(2500) LTE
Messaging SMS, MMS, EMail, IM SMS, MMS, EMail, IM SMS, MMS, EMail, IM
Build Features - - - Fingerprint Sensor
- Samsung Pay (Visa, MasterCard certified)
- IP68 certified - dust/water proof over 1.5 meter and 30 minutes
Notification LED No Yes Yes

hardware Hardware and OS

OS Android OS, v6.0 (Marshmallow) Android 7.1 (Nougat) Android 8.0 (Oreo)
User Interface - MIUI 9 -
Processor Quad-core 1.2 GHz Cortex-A53, Qualcomm MSM8917 Snapdragon 425 Quad-core 1.4 GHz Cortex-A53, Qualcomm MSM8917 Snapdragon 425 Octa-core (4x2.8 GHz Mongoose M3 & 4x1.7 GHz Cortex-A55) - EMEA
Octa-core (4x2.7 GHz Kryo 385 Gold & 4x1.7 GHz Kryo 385 Silver) - USA & China, Exynos 9810 Octa - EMEA
Qualcomm Snapdragon 845
GPU Adreno 306 Adreno 308 Mali-G72 MP18 - EMEA
Adreno 630 - USA & China
RAM 3 GB 2 GB 6 GB
Internal Memory 16 GB 16 GB 64 GB
External Memory microSD, up to 256 GB (dedicated slot) microSD, up to 256 GB (uses SIM 2 slot) microSD, up to 256 GB (uses SIM 2 slot) - dual SIM model only

display Display

Type IPS LCD Capacitive Touchscreen IPS LCD Capacitive Touchscreen Super AMOLED Capacitive Touchscreen, Corning Gorilla Glass 5
Colors 16M colors 16M colors 16M colors
Size 5.2 inches 5.0 inches 6.2 inches
Resolution 720 x 1280 pixels (282 ppi) 720 x 1280 pixels (294 ppi) 1440 x 2960 pixels (531 ppi)
Screen-to-Body Ratio - 69.89% 83.59%
Multi-Touch yes yes yes

multimedia Multimedia

3.5mm Jack yes yes yes
Radio FM radio FM radio No
Games Yes + Downloadable Yes + Downloadable Yes + Downloadable
Loud Speaker yes yes yes

camera Camera

Rear Camera 13 MP 13 MP Dual12 MP + 12 MP
Flash LED Flash LED Flash LED Flash
Features Autofocus, Geo-tagging, Touch Focus, Face Detection, HDR, Panorama Autofocus, f/2.2, Geo-tagging, Touch Focus, Face/smile Detection, HDR, Panorama Phase Detection Autofocus, f/1.6 + f/2.4, 26mm, 1/2.55", 1.4 µm, 52mm, 1/3.6", 1 µm, Dual Pixel AF, OIS, 2x Optical Zoom, Geo-tagging, Simultaneous 4K Video And 9MP Image Recording, Touch Focus, Face/smile Detection, Auto HDR, Panorama
Video 1080p@30fps 1080p@30fps 2160p@30fps, 1080p@60fps, HDR, dual-video rec.
Front Camera 5 MP [Similar] 5 MP, f/2.0 [Similar] 8 MP, f/1.6, autofocus, 1440p, dual video call, Auto HDR [Similar]

connectivity Connectivity and Data Rate

GPRS Yes Yes Yes
Edge Yes Yes Yes
3G HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps, VoLTE HSPA, LTE, VoLTE HSPA 42.2/5.76 Mbps, LTE-A (4CA) Cat16 1024/150 Mbps
Bluetooth v4.0, A2DP 4.1, A2DP, LE 5.0, A2DP, LE, aptX
Wi-Fi Wi-Fi 802.11 b/g/n, Wi-Fi Direct, hotspot Wi-Fi 802.11 b/g/n, Wi-Fi Direct, hotspot Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, hotspot
USB microUSB v2.0 microUSB 2.0 3.1, Type-C 1.0 reversible connector
GPS Yes, with A-GPS, BDS Yes, with A-GPS, GLONASS, BDS Yes, with A-GPS, GLONASS, BDS, GALILEO
Browser HTML5 HTML5 HTML5

memory User Memory

Internal 16 GB, 3 GB RAM 16 GB, 2 GB RAM 64 GB, 6 GB RAM
Expandable Storage microSD, up to 256 GB (dedicated slot) microSD, up to 256 GB (uses SIM 2 slot) microSD, up to 256 GB (uses SIM 2 slot) - dual SIM model only
USB OTG Not Supported Supported Not Supported

Apps Sensors

Fingerprint fingerprint not supported fingerprint not supported fingerprint supported
Proximity Sensor proximity sensor present proximity sensor present proximity sensor present
Accelerometer Sensor accelerometer sensor present accelerometer sensor present accelerometer sensor present
Light Sensor light sensor present light sensor present light sensor present
Magnetic-Field Sensor (Compass) magnetic field sensor present magnetic field sensor present magnetic field sensor present
Gyroscope Sensor gyroscope sensor not present gyroscope sensor not present gyroscope sensor present
Barometer Sensor barometer sensor barometer sensor not present barometer sensor present
Heart-rate Sensor heart rate sensor heart rate sensor not present heart rate sensor present
NFC NFC not supported NFC not supported NFC supported

battery Battery

Type Non-removable Li-Ion Battery Non-removable Li-Ion Battery Non-removable Li-Ion battery
Capacity 2730 mAh 3000 mAh 3500 mAh
Stand by - - -
Talk Time - - -