Phone Comparison - Asus Zenfone 6 vs ZTE Nubia Z9 vs Lenovo Vibe X3

general General Info

Manufacturer Asus ZTE Lenovo
Announced January 2014 May 2015 November 2015
Status Available - June 2014 Available - May 2015 Available - December 2015
Price - Rs. 7,490 ($110.15) [Similarly Priced] Rs. 19,999 ($294.10) [Similarly Priced]
Colors Black, White, Red, Gold Black, White, Gold White, Black
Form Factor Candybar Candybar Candybar
Dimension 166.9 x 84.3 x 5.5-9.9 mm
(6.57 x 3.32 x 0.22-0.39 in)
147.4 x 68.3 x 8.9 mm
(5.8 x 2.69 x 0.35 in)
154 x 76.5 x 9.3 mm
(6.06 x 3.01 x 0.37 in)
Weight 196 g (6.91 oz) 192 g (6.77 oz) 175 g (6.17 oz)
2G Network GSM 850 / 900 / 1800 / 1900 GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
CDMA 800
GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
3G Network HSDPA 850 / 900 / 1900 / 2100 HSDPA 850 / 900 / 1900 / 2100
TD-SCDMA 1900 / 2000
HSDPA 850 / 900 / 1900 / 2100
4G Network - LTE band 1(2100), 3(1800), 7(2600), 38(2600), 39(1900), 40(2300), 41(2500) 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
Build Features - - Fingerprint sensor (Exclusive edition only) -

hardware Hardware and OS

OS Android OS, v4.3 (Jelly Bean), upgradable to v4.4.2 (KitKat) Android OS, v5.0.2 (Lollipop) Android OS, v5.1 (Lollipop)
Processor Dual-core 2 GHz, Intel Atom Z2580 Quad-core 1.5 GHz Cortex-A53 & Quad-core 2 GHz Cortex-A57, Qualcomm MSM8994 Snapdragon 810 Quad-core 1.2 GHz Cortex-A53 & Dual-core 1.8 GHz Cortex-A57, Qualcomm MSM8992 Snapdragon 808
GPU PowerVR SGX544MP2 Adreno 430 Adreno 418
RAM 1/2 GB 4 GB 3 GB
Internal Memory 8/16/32 GB 64 GB 32/64 GB
External Memory microSD, up to 64 GB - microSD, up to 128 GB (uses SIM 2 slot)

display Display

Type IPS LCD Capacitive Touchscreen, Corning Gorilla Glass 3 IPS LCD Capacitive Touchscreen IPS LCD capacitive touchscreen
Colors 16M colors 16M colors 16M colors
Size 6.0 inches 5.2 inches 5.5 inches
Resolution 720 x 1280 pixels (245 ppi) 1080 x 1920 pixels (424 ppi) 1080 x 1920 pixels (401 ppi)
Screen-to-Body Ratio 70.40% 73.92% 70.62%
Multi-Touch yes yes yes

multimedia Multimedia

3.5mm Jack yes yes yes
Radio No 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 16 MP, 2988 x 5312 pixels 21 MP, f/2.0
Flash LED flash LED Flash Dual-tone Flash
Features Auto focus, Geo-tagging, Touch Focus, Face Detection Auto focus, OIS, Geo-tagging, Touch Focus, Face Detection, Panorama, HDR Phase Detection Autofocus, Geo-tagging, Touch Focus, Face Detection, HDR, Panorama
Video Yes 2160p@30fps, 1080p@30fps, optical stabilization, stereo sound rec. 2160p@30fps
Front Camera Yes, 2 MP [Similar] 8 MP, 1080p@30fps [Similar] 8 MP [Similar]

connectivity Connectivity and Data Rate

GPRS Yes Yes Yes
Edge Yes Yes Yes
3G HSDPA, 42.2 Mbps; HSUPA, 5.76 Mbps HSPA, LTE Cat4 150/50 Mbps HSPA 42.2/5.76 Mbps, LTE Cat6 300/50 Mbps
Bluetooth Yes, v4.0 with A2DP, EDR v4.1, A2DP v4.1, A2DP, LE
Wi-Fi 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, DLNA, hotspot Wi-Fi 802.11 a/b/g/n/ac, Wi-Fi Direct, hotspot
USB Yes, microUSB v2.0 microUSB v2.0 microUSB v2.0
GPS Yes, with A-GPS support Yes, with A-GPS, GLONASS Yes, with A-GPS, GLONASS
Browser HTML HTML5 HTML5

memory User Memory

Internal 8/16/32 GB, 1/2 GB RAM 64 GB, 4 GB RAM - Exclusive & Elite editions; 32 GB, 3 GB RAM - 32/64 GB, 3 GB RAM
Expandable Storage microSD, up to 64 GB - microSD, up to 128 GB (uses SIM 2 slot)

Apps Sensors

Fingerprint fingerprint not supported fingerprint 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 Non-removable Li-Ion Battery Non-removable Li-Po Battery
Capacity 3300 mAh 2900 mAh 3500 mAh
Stand by Up to 398 h (3G) - Up to 618 h (3G)
Talk Time Up to 28 h (3G) - Up to 31 h (3G)