Phone Comparison - Microsoft Lumia 640 LTE vs Samsung Galaxy J2 vs Microsoft Lumia 550

Price Comparison (India) - -

general General Info

Manufacturer Microsoft Samsung Microsoft
Announced March 2015 September 2015 October 2015
Status Available - April 2015 Available - September 2015 Available - December 2015
Price Rs. 7,999 ($117.63) [Similarly Priced] Rs. 7,590 ($111.62) [Similarly Priced] Rs. 7,999 ($117.63) [Similarly Priced]
Colors Yes White, Black Black, White
Form Factor Candybar Candybar Candybar
Dimension 141.3 x 72.2 x 8.8 mm
(5.56 x 2.84 x 0.35 in)
136.5 x 69 x 8.4 mm
(5.37 x 2.72 x 0.33 in)
136.1 x 67.8 x 9.9 mm
(5.36 x 2.67 x 0.39 in)
Weight 145 g (5.11 oz) 129 g (4.55 oz) 141.9 (4.97.0.32)
2G Network GSM 850 / 900 / 1800 / 1900 GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (optional) GSM 850 / 900 / 1800 / 1900
3G Network HSDPA 850 / 900 / 2100 HSDPA 900 / 2100 HSDPA 850 / 900 / 2100
4G Network LTE LTE LTE band 1(2100), 3(1800), 7(2600), 8(900), 20(800)
Messaging SMS, MMS, Push Mail, EMail, IM SMS, MMS, EMail, IM SMS, MMS, Push Mail, EMail, IM

hardware Hardware and OS

OS Microsoft Windows Phone 8.1 with Lumia Denim Android OS, v5.1.1 (Lollipop) Microsoft Windows 10
Processor Quad-core 1.2 GHz Cortex-A7, Qualcomm Snapdragon 400 Quad-core 1.3 GHz Cortex-A7, Exynos 3475 Quad-core 1.1 GHz Cortex-A7, Qualcomm MSM8909 Snapdragon 210
GPU Adreno 305 Mali-T720 Adreno 304
RAM 1 GB 1 GB 1 GB
Internal Memory 8 GB 8 GB 8 GB
External Memory microSD, up to 128 GB microSD, up to 128 GB microSD, up to 200 GB

display Display

Type IPS LCD Capacitive Touchscreen, Corning Gorilla Glass 3, ClearBlack Display Super AMOLED Capacitive Touchscreen Capacitive touchscreen
Colors 16M colors 16M colors 16M colors
Size 5.0 inches 4.7 inches 4.7 inches
Resolution 720 x 1280 pixels (294 ppi) 540 x 960 pixels (234 ppi) 720 x 1280 pixels (315 ppi)
Screen-to-Body Ratio 67.43% 64.85% 64.94%
Multi-Touch yes yes yes

multimedia Multimedia

3.5mm Jack yes yes yes
Radio FM radio FM radio with RDS; recording FM radio
Games Yes + Downloadable Yes + Downloadable Yes + Downloadable
Loud Speaker yes yes yes

camera Camera

Rear Camera 8 MP, 3264 x 2448 pixels 5 MP, 2592 х 1944 pixels 5 MP, 2592 х 1944 pixels
Flash LED flash LED flash LED flash
Features Auto focus, 1/4'' Sensor Size Auto focus, Geo-tagging, Touch Focus, Face Detection Auto focus, 1/4' Sensor Size, Geo-tagging, Touch Focus
Video 1080p@30fps Yes, 720p 720p@30fps
Front Camera 1 MP, 720p [Similar] 2 MP [Similar] 2 MP, 480p [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 HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps
Bluetooth v4.0, A2DP v4.1, A2DP v4.1, A2DP
Wi-Fi Wi-Fi 802.11 b/g/n, DLNA, hotspot Wi-Fi 802.11 b/g/n, Wi-Fi Direct, hotspot Wi-Fi 802.11 b/g/n, hotspot
USB microUSB v2.0 microUSB v2.0 microUSB v2.0
GPS Yes, with A-GPS, GLONASS, Beidou Yes, with A-GPS, GLONASS Yes, with A-GPS, GLONASS, Beidou
Browser HTML5 HTML HTML5

memory User Memory

Internal 8 GB, 1 GB RAM 8 GB, 1 GB RAM 8 GB, 1 GB RAM
Expandable Storage microSD, up to 128 GB microSD, up to 128 GB microSD, up to 200 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 not supported

battery Battery

Type Li-Ion Battery Li-Ion Battery Li-Ion Battery
Capacity 2500 mAh 2000 mAh 2100 mAh
Stand by Up to 864 h (2G)
Up to 864 h (3G)
- Up to 672 h (2G)
Up to 672 h (3G)
Talk Time Up to 26 h 30 min (2G)
Up to 17 h 30 min (3G)
- Up to 16 h (2G)
Up to 14 h (3G)