Phone Comparison - Samsung Galaxy J1 vs Microsoft Lumia 640 Dual SIM vs Microsoft Lumia 640 LTE

general General Info

Manufacturer Samsung Microsoft Microsoft
Announced January 2015 March 2015 March 2015
Status Available - January 2015 Available - April 2015 Available - April 2015
Price Rs. 5,850 ($86.03) [Similarly Priced] Rs. 8,999 ($132.34) [Similarly Priced] Rs. 7,999 ($117.63) [Similarly Priced]
Colors Blue, Black, White Yes Yes
Form Factor Candybar Candybar Candybar
Dimension 129 x 68.2 x 8.9 mm
(5.08 x 2.69 x 0.35 in)
141.3 x 72.2 x 8.8 mm
(5.56 x 2.84 x 0.35 in)
141.3 x 72.2 x 8.8 mm
(5.56 x 2.84 x 0.35 in)
Weight 122 g (4.3 oz) 145 g (5.11 oz) 145 g (5.11 oz)
2G Network GSM 850 / 900 / 1800 / 1900
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 900 / 2100 (single or dual SIM)
HSDPA 850 / 2100 (dual SIM)
HSDPA 850 / 900 / 1900 / 2100 HSDPA 850 / 900 / 2100
4G Network - - LTE
Messaging SMS, MMS, EMail, IM SMS, MMS, Push Mail, EMail, IM SMS, MMS, Push Mail, EMail, IM

hardware Hardware and OS

OS Android OS, v4.4.x (KitKat) Microsoft Windows Phone 8.1 with Lumia Denim Microsoft Windows Phone 8.1 with Lumia Denim
Processor Dual-core 1.2 GHz Cortex-A7 Quad-core 1.2 GHz Cortex-A7, Qualcomm Snapdragon 400 Quad-core 1.2 GHz Cortex-A7, Qualcomm Snapdragon 400
GPU - Adreno 305 Adreno 305
RAM 512 MB 1 GB 1 GB
Internal Memory 4 GB 8 GB 8 GB
External Memory microSD, up to 128 GB microSD, up to 128 GB microSD, up to 128 GB

display Display

Type TFT Capacitive Touchscreen IPS LCD Capacitive Touchscreen, Corning Gorilla Glass 3, ClearBlack Display IPS LCD Capacitive Touchscreen, Corning Gorilla Glass 3, ClearBlack Display
Colors 16M colors 16M colors 16M colors
Size 4.3 inches 5.0 inches 5.0 inches
Resolution 480 x 800 pixels (217 ppi) 720 x 1280 pixels (294 ppi) 720 x 1280 pixels (294 ppi)
Screen-to-Body Ratio 59.80% 67.43% 67.43%
Multi-Touch yes yes yes

multimedia Multimedia

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

camera Camera

Rear Camera 5 MP, 2592 х 1944 pixels 8 MP, 3264 x 2448 pixels 8 MP, 3264 x 2448 pixels
Flash LED Flash LED flash LED flash
Features Auto focus, Geo-tagging, Touch Focus, Face Detection Auto focus, 1/4'' Sensor Size Auto focus, 1/4'' Sensor Size
Video 720p@30fps 1080p@30fps 1080p@30fps
Front Camera 2 MP [Similar] 1 MP, 720p [Similar] 1 MP, 720p [Similar]

connectivity Connectivity and Data Rate

GPRS Yes Yes Yes
Edge Yes Yes Yes
3G HSPA HSPA 42.2/5.76 Mbps HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps
Bluetooth v4.0, A2DP v4.0, A2DP v4.0, A2DP
Wi-Fi Wi-Fi 802.11 b/g/n Wi-Fi 802.11 b/g/n, DLNA, hotspot Wi-Fi 802.11 b/g/n, DLNA, 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, Beidou
Browser HTML HTML5 HTML5

memory User Memory

Internal 4 GB, 512 MB 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 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 not supported NFC not supported NFC supported

battery Battery

Type Li-Ion Battery Li-Ion Battery Li-Ion Battery
Capacity 1850 mAh 2500 mAh 2500 mAh
Stand by - Up to 840 h (2G)
Up to 840 h (3G)
Up to 864 h (2G)
Up to 864 h (3G)
Talk Time Up to 10 h (3G) Up to 27 h 30 min (2G)
Up to 20 h 30 min (3G)
Up to 26 h 30 min (2G)
Up to 17 h 30 min (3G)