Phone Comparison - Samsung Galaxy A3 Duos vs Microsoft Lumia 640 Dual SIM vs LG G4 Stylus

general General Info

Manufacturer Samsung Microsoft LG
Announced October 2014 March 2015 April 2015
Status Available - November 2014 Available - April 2015 Available - May 2015
Price Rs. 14,265 ($209.78) [Similarly Priced] Rs. 8,999 ($132.34) [Similarly Priced] Rs. 12,999 ($191.16) [Similarly Priced]
Colors Pearl White, Midnight Black, Platinum Silver, Soft Pink, Light B Yes Metallic Silver, Floral White
Form Factor Candybar Candybar Candybar
Dimension 130.1 x 65.5 x 6.9 mm
(5.12 x 2.58 x 0.27 in)
141.3 x 72.2 x 8.8 mm
(5.56 x 2.84 x 0.35 in)
154.3 x 79.2 x 9.6 mm
(6.07 x 3.12 x 0.38 in)
Weight 110.3 g (3.88.0.11 oz) 145 g (5.11 oz) 163 g (5.75 oz)
2G Network GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 GSM 850 / 900 / 1800 / 1900
3G Network HSDPA 850 / 900 / 1900 / 2100 HSDPA 850 / 900 / 1900 / 2100 HSDPA 850 / 1900 / 2100 - T-Mobile
HSDPA - 3G model only
4G Network LTE - LTE band 2(1900), 4(1700/2100), 12(700) - T-Mobile
Messaging SMS, MMS, EMail, IM SMS, MMS, Push Mail, EMail, IM SMS, MMS, EMail, IM

hardware Hardware and OS

OS Android OS, v4.4.4 (KitKat) Microsoft Windows Phone 8.1 with Lumia Denim Android OS, v5.0 (Lollipop)
Processor Quad-core 1.2 GHz Cortex-A53, Qualcomm MSM8916 Snapdragon 410 Quad-core 1.2 GHz Cortex-A7, Qualcomm Snapdragon 400 Quad-core 1.2 GHz Cortex-A53 (LTE model)
Octa-core 1.4 GHz (3G model), Qualcomm MSM8916 Snapdragon 410 (LTE model)
GPU Adreno 306 Adreno 305 Adreno 306 (LTE model)
RAM 1 GB 1 GB 1 GB
Internal Memory 16 GB 8 GB 8 GB
External Memory No microSD, up to 128 GB microSD, up to 128 GB

display Display

Type Super AMOLED capacitive touchscreen IPS LCD Capacitive Touchscreen, Corning Gorilla Glass 3, ClearBlack Display IPS LCD capacitive touchscreen
Colors 16M colors 16M colors 16M colors
Size 4.5 inches 5.0 inches 5.7 inches
Resolution 540 x 960 pixels (245 ppi) 720 x 1280 pixels (294 ppi) 720 x 1280 pixels (258 ppi)
Screen-to-Body Ratio 65.39% 67.43% 73.09%
Multi-Touch yes yes yes

multimedia Multimedia

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

camera Camera

Rear Camera 8 MP, 3264 x 2448 pixels 8 MP, 3264 x 2448 pixels 13 MP, 4128 x 3096 pixels
Flash LED flash LED flash Yes
Features Auto focus, Geo-tagging, Touch Focus, Face Detection, Panorama Auto focus, 1/4'' Sensor Size Geo-tagging, Touch Focus, Face Detection, HDR, Panorama
Video - 1080p@30fps 1080p@30fps
Front Camera 5 MP [Similar] 1 MP, 720p [Similar] 5 MP [Similar]

connectivity Connectivity and Data Rate

GPRS Yes Yes Class 12
Edge Yes Yes Class 12
3G HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps HSPA 42.2/5.76 Mbps HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps
Bluetooth v4.0, A2DP, EDR, LE v4.0, A2DP v4.1, A2DP
Wi-Fi Wi-Fi 802.11 b/g/n, Wi-Fi hotspot Wi-Fi 802.11 b/g/n, DLNA, hotspot Wi-Fi 802.11 a/b/g/n, hotspot
USB microUSB v2.0 microUSB v2.0 microUSB v2.0
GPS Yes, with A-GPS, GLONASS Yes, with A-GPS, GLONASS, Beidou Yes, with A-GPS, GLONASS
Browser HTML5 HTML5 HTML5

memory User Memory

Internal 16 GB, 1 GB RAM 8 GB, 1 GB RAM 8 GB, 1 GB RAM
16 GB, 2 GB RAM (T-Mobile only)
Expandable Storage No microSD, up to 128 GB microSD, up to 128 GB

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 supported NFC not supported NFC supported

battery Battery

Type Non-removable Li-Ion Battery Li-Ion Battery Li-Ion Battery
Capacity 1900 mAh 2500 mAh 3000 mAh
Stand by - Up to 840 h (2G)
Up to 840 h (3G)
Up to 432 h (3G)
Talk Time - Up to 27 h 30 min (2G)
Up to 20 h 30 min (3G)
Up to 18 h (3G)