Phone Comparison - Samsung Galaxy Express vs Microsoft Lumia 640 LTE vs ZTE Zmax 2

general General Info

Manufacturer Samsung Microsoft ZTE
Announced January 2013 March 2015 September 2015
Status Available - March 2013 Available - April 2015 Coming Soon - September 2015
Price - Rs. 7,999 ($117.63) [Similarly Priced] Rs. 6,750 ($99.00) [Similarly Priced]
Colors White Yes Black
Form Factor Candybar Candybar Candybar
Dimension 132.2 x 69.1 x 9.3 mm
(5.2 x 2.72 x 0.37 in)
141.3 x 72.2 x 8.8 mm
(5.56 x 2.84 x 0.35 in)
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Weight 139.1 g (4.9.0.04 oz) 145 g (5.11 oz) -
2G Network GSM 850 / 900 / 1800 / 1900 GSM 850 / 900 / 1800 / 1900 GSM 850 / 900 / 1800 / 1900
3G Network HSDPA 850 / 900 / 2100 HSDPA 850 / 900 / 2100 HSDPA 850 / 1700 / 1900 / 2100
4G Network LTE 800 / 900 / 1800 / 2600 LTE LTE band 2(1900), 4(1700/2100), 7(2600), 12(700)
Messaging SMS, MMS, EMail, IM SMS, MMS, Push Mail, EMail, IM SMS, MMS, Push Mail, EMail, IM

hardware Hardware and OS

OS Android OS, v4.1 (Jelly Bean) Microsoft Windows Phone 8.1 with Lumia Denim Android OS, v5.1 (Lollipop)
Processor Dual-core 1.2 GHz Quad-core 1.2 GHz Cortex-A7, Qualcomm Snapdragon 400 Quad-core 1.2 GHz Cortex-A53, Qualcomm MSM8916 Snapdragon 410
GPU - Adreno 305 Adreno 306
RAM 1 GB 1 GB 2 GB
Internal Memory 8 GB storage 8 GB 16 GB
External Memory microSD, up to 32 GB microSD, up to 128 GB microSD, up to 32 GB

display Display

Type Super AMOLED Plus 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 5.5 inches
Resolution 480 x 800 pixels (207 ppi) 720 x 1280 pixels (294 ppi) 720 x 1280 pixels (267 ppi)
Screen-to-Body Ratio 63.29% 67.43% -
Multi-Touch yes yes yes

multimedia Multimedia

3.5mm Jack yes yes yes
Radio Stereo FM radio with RDS, FM r FM radio -
Games Yes + Downloadable Yes + Downloadable Yes + Downloadable
Loud Speaker yes yes yes

camera Camera

Rear Camera 5 MP, 2592х1944 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, Geo-tagging, Touch Focus, Face Detection, HDR, Panorama
Video Yes, 720p@30fps 1080p@30fps 1080p@30fps
Front Camera Yes, 1.3 MP, 720p@30fps [Similar] 1 MP, 720p [Similar] 2 MP [Similar]

connectivity Connectivity and Data Rate

GPRS Yes Yes Yes
Edge Yes Yes Yes
3G HSPA, LTE HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps HSPA, LTE Cat4 150/50 Mbps
Bluetooth Yes, v4.0 with A2DP, EDR v4.0, A2DP v4.0, A2DP
Wi-Fi Wi-Fi 802.11 a/b/g/n, dual-band, Wi-Fi Direct, Wi-Fi hotspot Wi-Fi 802.11 b/g/n, DLNA, hotspot Wi-Fi 802.11 a/b/g/n, dual band, hotspot
USB Yes, microUSB v2.0 (MHL) microUSB v2.0 microUSB v2.0
GPS Yes, with A-GPS support and GLONASS Yes, with A-GPS, GLONASS, Beidou Yes, with A-GPS
Browser HTML5 HTML5 HTML5

memory User Memory

Internal 8 GB storage, 1 GB RAM 8 GB, 1 GB RAM 16 GB, 2 GB RAM
Expandable Storage microSD, up to 32 GB microSD, up to 128 GB microSD, up to 32 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 supported NFC not supported

battery Battery

Type Standard battery, Li-Ion Li-Ion Battery Li-Ion Battery
Capacity 2000 mAh 2500 mAh 3000 mAh
Stand by Up to 830 h (2G)
Up to 770 h (3G)
Up to 864 h (2G)
Up to 864 h (3G)
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Talk Time Up to 22 h 30 min (2G)
Up to 11 h 30 min (3G)
Up to 26 h 30 min (2G)
Up to 17 h 30 min (3G)
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