Phone Comparison - Lenovo Vibe X vs Asus Zenfone 6 vs Xiaomi Redmi Note 4G

general General Info

Manufacturer Lenovo Asus Xiaomi
Announced September 2013 January 2014 August 2014
Status Available - December 2013 Available - June 2014 Available - November 2014
Colors Black/Silver Black, White, Red, Gold Black/White
Form Factor Candybar Candybar Candybar
Dimension 6.9 mm thickness
(0.27 in thickness)
166.9 x 84.3 x 5.5-9.9 mm
(6.57 x 3.32 x 0.22-0.39 in)
154 x 78.7 x 9.5 mm
(6.06 x 3.1 x 0.37 in)
Weight 120 g (4.23 oz) 196 g (6.91 oz) 199 g (7.02 oz)
2G Network GSM 850 / 900 / 1800 / 1900 GSM 850 / 900 / 1800 / 1900 GSM 900 / 1800 / 1900
3G Network HSDPA HSDPA 850 / 900 / 1900 / 2100 TD-SCDMA 1900 / 2000
4G Network - - TD-LTE 1900 / 2300 / 2600
Messaging SMS, MMS, EMail, IM SMS, MMS, Push Mail, EMail, IM SMS, MMS, EMail, IM

hardware Hardware and OS

OS Android OS, v4.2 (Jelly Bean) Android OS, v4.3 (Jelly Bean), upgradable to v4.4.2 (KitKat) Android OS, v4.2 (Jelly Bean)
Processor Quad-core 1.5 GHz, MTK MT6589T Dual-core 2 GHz, Intel Atom Z2580 Quad-core 1.6 GHz Cortex-A7, Qualcomm MSM8928 Snapdragon 400
GPU PowerVR SGX544 PowerVR SGX544MP2 Adreno 305
RAM 2 GB 1/2 GB 2 GB
Internal Memory 16 GB 8/16/32 GB 8 GB
External Memory No microSD, up to 64 GB microSD, up to 64 GB

display Display

Type IPS LCD capacitive touchscreen IPS LCD Capacitive Touchscreen, Corning Gorilla Glass 3 IPS LCD capacitive touchscreen
Colors 16M colors 16M colors 16M colors
Size 5.0 inches 6.0 inches 5.5 inches
Resolution 1080 x 1920 pixels (441 ppi) 720 x 1280 pixels (245 ppi) 720 x 1280 pixels (267 ppi)
Screen-to-Body Ratio - 70.40% 68.82%
Multi-Touch yes yes yes

multimedia Multimedia

3.5mm Jack yes yes yes
Radio - No FM radio
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 13 MP, 4128 x 3096 pixels
Flash LED flash LED flash LED flash
Features Auto focus, Geo-tagging, Touch Focus, Face Detection Auto focus, Geo-tagging, Touch Focus, Face Detection Auto focus, Geo-tagging, Touch Focus, Face And Smile Detection, HDR
Video Yes, 1080p@30fps Yes 1080p@30fps
Front Camera Yes, 5 MP [Similar] Yes, 2 MP [Similar] 5 MP [Similar]

connectivity Connectivity and Data Rate

GPRS Yes Yes Yes
Edge Yes Yes Yes
3G HSPA+ HSDPA, 42.2 Mbps; HSUPA, 5.76 Mbps TD-SCDMA; LTE
Bluetooth Yes, v4.0 with A2DP Yes, v4.0 with A2DP, EDR v4.0, A2DP, LE
Wi-Fi Wi-Fi 802.11 a/b/g/n, dual band, Wi-Fi hotspot Wi-Fi 802.11 b/g/n, Wi-Fi Direct, Wi-Fi hotspot Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, Wi-Fi hotspot
USB Yes, microUSB v2.0, USB On-the-go Yes, microUSB v2.0 microUSB v2.0, USB On-the-go
GPS Yes, with A-GPS support Yes, with A-GPS support Yes, with A-GPS, GLONASS
Browser HTML5 HTML HTML5

memory User Memory

Internal 16 GB, 2 GB RAM 8/16/32 GB, 1/2 GB RAM 8 GB, 2 GB RAM
Expandable Storage No microSD, up to 64 GB microSD, up to 64 GB
USB OTG Supported - Supported

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 not supported

battery Battery

Type Li-Ion Battery Non-removable Li-Po Battery Li-Po Battery
Capacity 2000 mAh 3300 mAh 3200 mAh
Stand by - Up to 398 h (3G) Up to 775 h (3G)
Talk Time - Up to 28 h (3G) Up to 38 h (2G)
Up to 14 h (3G)