Phone Comparison - Xiaomi Redmi 4A vs Vivo Y66 vs Samsung Galaxy A10

general General Info

Manufacturer Xiaomi vivo Samsung
Announced November 2016 December 2016 February 2019
Status Available - November 2016 Available - December 2016 Coming Soon - March 2019
Price Rs. 5,999 ($92.00) [Similarly Priced] Rs. 14,990 ($216.00) [Similarly Priced] -
Colors Gold, Rose Gold, Dark Gray Gold Blue, Black, Red
Form Factor Candybar Candybar Candybar
Dimension 139.5 x 70.4 x 8.5 mm
(5.49 x 2.77 x 0.33 in)
153.56 x 75.79 x 7.49 mm
(6.05 x 2.98 x 0.29 in)
-
Weight 131.5 g (4.62.0.18 oz) 157 g (5.54 oz) -
SIM Type Dual SIM Hybrid (Nano SIM + Micro SIM, or Micro SIM + microSD Card) Dual SIM Hybrid (Nano SIM + Micro SIM, or Micro SIM + microSD Card) Single SIM (Nano-SIM), Dual SIM (Nano-SIM, dual stand-by)
2G Network GSM 900 / 1800 / 1900 - SIM 1 & SIM 2
CDMA2000 1xEV-DO
GSM 900 / 1800 / 1900 - SIM 1 & SIM 2
CDMA2000 1xEV-DO
GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (dual-SIM only)
3G Network HSDPA 850 / 1900 / 2100 HSDPA 850 / 1900 / 2100 HSDPA 850 / 900 / 1900 / 2100
4G Network LTE band 1(2100), 3(1800), 7(2600), 38(2600), 39(1900), 40(2300), 41(2500) LTE band 1(2100), 3(1800), 7(2600), 38(2600), 39(1900), 40(2300), 41(2500) LTE
Messaging SMS, MMS, EMail, IM SMS, MMS, EMail, IM
Build Features - Metal Body
- Infrared Sensor
- Metal Body
- 2.5D Curved Glass
-
Notification LED - Yes -

hardware Hardware and OS

OS Android OS, v6.0.1 (Marshmallow) Android OS, v6.0.1 (Marshmallow) Android 9.0 (Pie)
User Interface MIUI 8 FunTouch OS 3.0 -
Processor Quad-core 1.4 GHz Cortex-A53, Qualcomm MSM8917 Snapdragon 425 Octa-core 1.4 GHz Cortex-A53, Qualcomm MSM8937 Snapdragon 430 Octa-core 1.6 GHz, Exynos 7884 Octa
GPU Adreno 308 Adreno 505 Mali-G71
RAM 2 GB 3 GB 2 GB
Internal Memory 16 GB 32 GB 32 GB
External Memory microSD, up to 128 GB (uses SIM 2 slot) microSD, up to 128 GB microSD, up to 512 GB (dedicated slot)

display Display

Type IPS LCD capacitive touchscreen IPS LCD capacitive touchscreen IPS LCD Capacitive Touchscreen
Colors 16M colors 16M colors 16M colors
Size 5.0 inches 5.5 inches 6.2 inches
Resolution 720 x 1280 pixels (294 ppi) 720 x 1280 pixels (267 ppi) 720 x 1520 pixels (271 ppi)
Screen-to-Body Ratio 70.04% 71.66% -
Multi-Touch yes yes yes

multimedia Multimedia

3.5mm Jack yes yes yes
Radio FM radio FM radio FM radio
Games Yes + Downloadable Yes + Downloadable Yes + Downloadable
Loud Speaker yes yes yes

camera Camera

Rear Camera 13 MP, 4160 x 3120 pixels 13 MP, 4160 x 3120 pixels 13 MP
Flash LED Flash LED Flash LED Flash
Features Phase Detection Autofocus, f/2.2, Geo-tagging, Touch Focus, Face/smile Detection, HDR, Panorama AutoFocus, Geo-tagging, Touch Focus, Face/smile Detection, HDR, Panorama 13 MP, f/1.9, 28mm (wide), AF
Panorama, HDR
Video 1080p@30fps 1080p@30fps 1080p@30fps
Front Camera 5 MP, f/2.2, 1080p@30fps [Similar] 5 MP [Similar] 5 MP, f/2.0, LED flash, [Similar]

connectivity Connectivity and Data Rate

GPRS Yes Yes Yes
Edge Yes Yes Yes
3G HSPA, LTE, EV-DO Rev.A 3.1 Mbps, VoLTE HSPA, LTE, EV-DO Rev.A 3.1 Mbps, VoLTE HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps
Bluetooth v4.1, A2DP v4.1, A2DP 4.2, A2DP, LE
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 b/g/n, Wi-Fi Direct, hotspot
USB microUSB v2.0 microUSB v2.0 microUSB 2.0
GPS Yes, with A-GPS, GLONASS, BDS Yes, with A-GPS, GLONASS, BDS Yes, with A-GPS, GLONASS, BDS
Browser HTML5 HTML5

memory User Memory

Internal 16 GB, 2 GB RAM 32 GB, 3 GB RAM 32 GB, 2 GB RAM
Expandable Storage microSD, up to 128 GB (uses SIM 2 slot) microSD, up to 128 GB microSD, up to 512 GB (dedicated slot)
USB OTG Supported Supported Not Supported

Apps Sensors

Fingerprint fingerprint not supported fingerprint not supported fingerprint not supported
Proximity Sensor proximity sensor present proximity sensor present proximity sensor present
Accelerometer Sensor accelerometer sensor present accelerometer sensor present accelerometer sensor present
NFC NFC not supported NFC not supported NFC not supported

battery Battery

Type Non-removable Li-Ion Battery Non-removable Li-Ion Battery Non-removable Li-Ion Battery
Capacity 3120 mAh 3000 mAh 3400 mAh
Stand by - - -
Talk Time - - -