Phone Comparison - Microsoft Lumia 640 XL LTE Dual SIM vs Samsung Galaxy J7 vs Samsung Galaxy S7

Price Comparison (India) -

general General Info

Manufacturer Microsoft Samsung Samsung
Announced March 2015 June 2015 February 2016
Status Available - April 2015 Available - June 2015 Available - March 2016
Price Rs. 14,999 ($220.57) [Similarly Priced] Rs. 13,400 ($197.06) [Similarly Priced] Rs. 43,400 ($638.24) [Similarly Priced]
Colors Matte cyan, Orange, Black, Matte white, Glossy white White, Black Black, Gold, Silver
Form Factor Candybar Candybar Candybar
Dimension 157.9 x 81.5 x 9 mm
(6.22 x 3.21 x 0.35 in)
152.4 x 78.6 x 7.5 mm
(6 x 3.09 x 0.3 in)
142.4 x 69.6 x 7.9 mm
(5.61 x 2.74 x 0.31 in)
Weight 171 g (6.03 oz) 171 g (6.03 oz) 152 g (5.36 oz)
SIM Type - - Single SIM (Nano-SIM), 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 GSM 850 / 900 / 1800 / 1900
3G Network HSDPA 850 / 900 / 1900 / 2100 HSDPA 900 / 2100 HSDPA 850 / 900 / 1900 / 2100
HSDPA 850 / 900 / 1700 / 1900 / 2100
4G Network LTE LTE LTE
Messaging SMS, MMS, Push Mail, EMail, IM SMS, MMS, EMail, IM SMS, MMS, EMail, IM
Build Features - - - Heart rate sensor
- Fingerprint sensor
- IP68 certified - dust and water resistant
- Water resistant up to 1 meter and 30 minutes

hardware Hardware and OS

OS Microsoft Windows Phone 8.1 with Lumia Denim Android OS, v5.1 (Lollipop) Android OS, v6.0 (Marshmallow)
Processor Quad-core 1.2 GHz Cortex-A7, Qualcomm Snapdragon 400 Octa-core 1.2 GHz, Exynos 7580 Quad-core (2x 2.15 GHz Kryo & 2x 1.6 GHz Kryo)/ Octa-core (4x2.3 GHz Mongoose & 4x1.6 GHz Cortex-A53) , Qualcomm MSM8996 Snapdragon 820/ Exynos 8 Octa 8890
GPU Adreno 305 Mali-T720 Adreno 530/ Mali-T880 MP12
RAM 1 GB 1.5 GB 4 GB
Internal Memory 8 GB 16 GB 32/64 GB
External Memory microSD, up to 128 GB microSD, up to 128 GB microSD, up to 2 TB

display Display

Type IPS LCD Capacitive Touchscreen, Corning Gorilla Glass 3, ClearBlack Display Super AMOLED Capacitive Touchscreen Super AMOLED Capacitive Touchscreen, Corning Gorilla Glass 5, Always-on display
Colors 16M colors 16M colors 16M colors
Size 5.7 inches 5.5 inches 5.1 inches
Resolution 720 x 1280 pixels (259 ppi) 720 x 1280 pixels (267 ppi) 1440 x 2560 pixels (576 ppi)
Screen-to-Body Ratio 68.88% 69.63% 72.33%
Multi-Touch yes yes yes

multimedia Multimedia

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

camera Camera

Rear Camera 13 MP, 4128 x 3096 pixels 13 MP, 4128 x 3096 pixels Dual Pixel 12 MP, 4608 x 2592 pixels
Flash LED Flash LED flash Dual-LED (Dual Tone)
Features Carl Zeiss Optics, 1/3'' sensor size Auto focus, Geo-tagging, Touch Focus, Beauty Face, Continuous Shots, Sensor Size: 1/3.06-inch, F1.9, Interval Shot, Panorama, Sports Mode, Sound and Shot Mode Phase Detection Autofocus, f/1.7, 1/2.6' Sensor Size, 1 µm Pixel Size,Smart Optical Image Stablization, Geo-tagging, Touch Focus, Face Detection, Auto HDR, Panorama
Video 1080p@30fps 1080p@30fps 2160p@30fps, 1080p@60fps, 720p@120fps, HDR, dual-video rec.
Front Camera 5 MP, 1080p [Similar] 5 MP [Similar] 5 MP, f/1.7, 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 HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps HSPA 42.2/5.76 Mbps, LTE Cat9 450/50 Mbps
Bluetooth v4.0, A2DP v4.1, A2DP v4.2, A2DP, LE, apt-X
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 a/b/g/n/ac, dual-band, Wi-Fi Direct, hotspot
USB microUSB v2.0 microUSB v2.0 microUSB v2.0, USB Host
GPS Yes, with A-GPS, GLONASS, Beidou Yes, with A-GPS, GLONASS Yes, with A-GPS, GLONASS, BDS
Browser HTML5 HTML5 HTML5

memory User Memory

Internal 8 GB, 1 GB RAM 16 GB, 1.5 GB RAM 32/64 GB, 4 GB RAM
Expandable Storage microSD, up to 128 GB microSD, up to 128 GB microSD, up to 2 TB
USB OTG - - 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
Barometer Sensor barometer sensor barometer sensor barometer sensor present
Heart-rate Sensor heart rate sensor heart rate sensor heart rate sensor present
NFC NFC supported NFC not supported NFC supported

battery Battery

Type Li-Ion Battery Li-Ion Battery Non-removable Li-Po Battery
Capacity 3000 mAh 3000 mAh 3000 mAh
Stand by Up to 936 h (2G)
Up to 936 h (3G)
Up to 354 h -
Talk Time Up to 31 h 20 min (2G)
Up to 23 h 40 min (3G)
Up to 18 h (3G) -