Phone Comparison - Asus Zenfone 4 vs Lenovo Vibe X2 vs Lenovo Vibe Z2

general General Info

Manufacturer Asus Lenovo Lenovo
Announced January 2014 September 2014 September 2014
Status Available - June 2014 Available - October 2014 Available - October 2014
Colors Black, White, Red, Blue, Yellow White, Gold, Red, Dark Grey White, Gold, Titanium
Form Factor Candybar Candybar Candybar
Dimension 124.4 x 61.4 x 6.3-11.2
(4.9 x 2.42 x 0.25-0.44)
140.2 x 68.6 x 7.3 mm
(5.52 x 2.7 x 0.29 in)
148.5 x 76.4 x 7.8 mm
(5.85 x 3.01 x 0.31 in)
Weight 115 g (4.06 oz) 120 g (4.23 oz) 158 g (5.57 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 / 1700 / 1900 / 2100 HSDPA 850 / 900 / 1700 / 1900 / 2100 - SIM 1 & SIM 2
4G Network - LTE 800 / 1800 / 2100 / 2600 LTE 800 / 1800 / 2100 / 2600 - SIM 1 & SIM 2
Messaging SMS, MMS, Push Mail, EMail, IM SMS, MMS, EMail, IM SMS, MMS, EMail, IM

hardware Hardware and OS

OS Android OS, v4.3 (Jelly Bean), upgradable to v4.4.2 (KitKat) Android OS, v4.4 (KitKat) Android OS, v4.4 (KitKat)
Processor Dual-core 1.2 GHz, Intel Atom Z2520 Octa-core 2.0 GHz, MediatTek MT6595m True8Core Quad-core 1.2 GHz Krait 400, Qualcomm MSM8916 Snapdragon 410
GPU PowerVR SGX544MP2 PowerVR G600 Adreno 306
RAM 1 GB 2 GB 2 GB
Internal Memory 8 GB 32 GB 32 GB
External Memory microSD, up to 64 GB No No

display Display

Type LCD Capacitive Touchscreen, Corning Gorilla Glass 3 IPS LCD capacitive touchscreen IPS LCD capacitive touchscreen
Colors 16M colors 16M colors 16M colors
Size 4.0 inches 5.0 inches 5.5 inches
Resolution 480 x 800 pixels (233 ppi) 1080 x 1920 pixels (441 ppi) 720 x 1280 pixels (267 ppi)
Screen-to-Body Ratio 59.74% 71.52% 73.51%
Multi-Touch yes yes yes

multimedia Multimedia

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

camera Camera

Rear Camera 5 MP, 2592 x 1944 pixels 13 MP, 4160 x 3120 pixels 13 MP, 4160 x 3120 pixels
Flash No LED flash optical image stabil
Features Auto focus, Geo-tagging, Panorama Auto focus, Geo-tagging, Touch Focus, Face Detection, Panorama, HDR Geo-tagging, Touch Focus, Face Detection, Panorama, HDR
Video Yes, 1080p@30fps 1080p@30fps 1080p@30fps
Front Camera Yes, VGA [Similar] 5 MP [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 HSDPA, 42 Mbps; HSUPA; LTE, Cat4, 50 Mbps UL, 150 Mbps DL HSDPA, 42 Mbps; HSUPA; LTE, Cat4, 50 Mbps UL, 150 Mbps DL
Bluetooth Yes, v4.0 with A2DP, EDR v4.0, A2DP v4.0, A2DP
Wi-Fi Wi-Fi 802.11 b/g/n, Wi-Fi Direct, Wi-Fi hotspot Wi-Fi 802.11 b/g/n/ac, dual band, Wi-Fi hotspot Wi-Fi 802.11 b/g/n/ac, dual band, Wi-Fi 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 GB, 1 GB RAM 32 GB, 2 GB RAM 32 GB, 2 GB RAM
Expandable Storage microSD, up to 64 GB No No

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-Po Battery Non-removable Li-Po Battery Non-removable Li-Po Battery
Capacity 1200/1600 mAh 2300 mAh 3000 mAh
Stand by Up to 192 h Up to 228 h (2G)
Up to 216 h (3G)
Up to 408 h (3G)
Talk Time Up to 10 h Up to 17 h (2G)
Up to 19 h (3G)
Up to 30 h (2G)
Up to 28 h (3G)