Phone Comparison - Asus Zenfone 2 vs Microsoft Lumia 640 LTE vs Lenovo Vibe X3

general General Info

Manufacturer Asus Microsoft Lenovo
Announced Expected Announcement - March 2015 March 2015 November 2015
Status Rumored - March 2015 Available - April 2015 Available - December 2015
Price Rs. 10,499 ($154.40) [Similarly Priced] Rs. 7,999 ($117.63) [Similarly Priced] Rs. 19,999 ($294.10) [Similarly Priced]
Colors Various Yes White, Black
Form Factor Candybar Candybar Candybar
Dimension 148.1 x 71.5 x 10.9 mm
(5.83 x 2.81 x 0.43 in)
141.3 x 72.2 x 8.8 mm
(5.56 x 2.84 x 0.35 in)
154 x 76.5 x 9.3 mm
(6.06 x 3.01 x 0.37 in)
Weight 155 g (5.47 oz) 145 g (5.11 oz) 175 g (6.17 oz)
2G Network GSM 850 / 900 / 1800 / 1900 GSM 850 / 900 / 1800 / 1900 GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
3G Network HSDPA 850 / 900 / 1900 / 2100 HSDPA 850 / 900 / 2100 HSDPA 850 / 900 / 1900 / 2100
4G Network LTE 700 / 850 / 900 / 1700 / 1800 / 1900 / 2100 / 2600
(Bands 1, 2, 3, 4, 5, 7, 8, 28)
LTE LTE band 1(2100), 3(1800), 5(850), 7(2600), 8(900), 20(800), 38(2600), 40(2300), 41(2500)
Messaging SMS, MMS, Push Mail, EMail, IM SMS, MMS, Push Mail, EMail, IM SMS, MMS, EMail, IM

hardware Hardware and OS

OS Android OS, v5.0 (Lollipop) Microsoft Windows Phone 8.1 with Lumia Denim Android OS, v5.1 (Lollipop)
Processor Quad-core 1.6 GHz, Intel Atom Z2560 Quad-core 1.2 GHz Cortex-A7, Qualcomm Snapdragon 400 Quad-core 1.2 GHz Cortex-A53 & Dual-core 1.8 GHz Cortex-A57, Qualcomm MSM8992 Snapdragon 808
GPU - Adreno 305 Adreno 418
RAM 2 GB 1 GB 3 GB
Internal Memory 16 GB 8 GB 32/64 GB
External Memory microSD, up to 64 GB microSD, up to 128 GB microSD, up to 128 GB (uses SIM 2 slot)

display Display

Type IPS capacitive touchscreen IPS LCD Capacitive Touchscreen, Corning Gorilla Glass 3, ClearBlack Display IPS LCD capacitive touchscreen
Colors 16M colors 16M colors 16M colors
Size 5.0 inches 5.0 inches 5.5 inches
Resolution 720 x 1280 pixels (294 ppi) 720 x 1280 pixels (294 ppi) 1080 x 1920 pixels (401 ppi)
Screen-to-Body Ratio 64.96% 67.43% 70.62%
Multi-Touch yes yes yes

multimedia Multimedia

3.5mm Jack yes yes yes
Radio TBC FM 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 21 MP, f/2.0
Flash LED flash LED flash Dual-tone Flash
Features Auto focus, Geo-tagging, Touch Focus, Face Detection, Panorama, HDR Auto focus, 1/4'' Sensor Size Phase Detection Autofocus, Geo-tagging, Touch Focus, Face Detection, HDR, Panorama
Video 1080p@30fps 1080p@30fps 2160p@30fps
Front Camera 2 MP [Similar] 1 MP, 720p [Similar] 8 MP [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 Cat6 300/50 Mbps
Bluetooth v4.0, A2DP, EDR v4.0, A2DP v4.1, A2DP, LE
Wi-Fi Wi-Fi 802.11 a/b/g/n, Wi-Fi Direct, hotspot Wi-Fi 802.11 b/g/n, DLNA, hotspot Wi-Fi 802.11 a/b/g/n/ac, Wi-Fi Direct, 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, 2 GB RAM 8 GB, 1 GB RAM 32/64 GB, 3 GB RAM
Expandable Storage microSD, up to 64 GB microSD, up to 128 GB microSD, up to 128 GB (uses SIM 2 slot)

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
NFC NFC not supported NFC supported NFC supported

battery Battery

Type Non-removable Li-Po Battery Li-Ion Battery Non-removable Li-Po Battery
Capacity 2500 mAh 2500 mAh 3500 mAh
Stand by - Up to 864 h (2G)
Up to 864 h (3G)
Up to 618 h (3G)
Talk Time - Up to 26 h 30 min (2G)
Up to 17 h 30 min (3G)
Up to 31 h (3G)