Phone Comparison - Lenovo S820 vs Asus Zenfone 4 vs Lenovo S850

general General Info

Manufacturer Lenovo Asus Lenovo
Announced May 2013 January 2014 February 2014
Status Available - May 2013 Available - June 2014 Coming Soon - June 2014
Colors Flamingo red Black, White, Red, Blue, Yellow White, Pink
Form Factor Candybar Candybar Candybar
Dimension 139.5 x 69.7 x 9 mm
(5.49 x 2.74 x 0.35 in)
124.4 x 61.4 x 6.3-11.2
(4.9 x 2.42 x 0.25-0.44)
141 x 71 x 8.2 mm
(5.55 x 2.8 x 0.32 in)
Weight 143 g (5.04 oz) 115 g (4.06 oz) 140 g (4.94 oz)
2G Network GSM 900 / 1800 / 1900 GSM 850 / 900 / 1800 / 1900 GSM 900 / 1800 / 1900
GSM 850 / 1800 / 1900
3G Network HSDPA 900 / 2100 HSDPA 850 / 900 / 1900 / 2100 HSDPA 900 / 2100
HSDPA 850 / 1900
Messaging SMS, MMS, EMail, IM SMS, MMS, Push Mail, EMail, IM SMS, MMS, Push Mail, EMail, IM

hardware Hardware and OS

OS Android OS, v4.2 (Jelly Bean) Android OS, v4.3 (Jelly Bean), upgradable to v4.4.2 (KitKat) Android OS, v4.2.2 (Jelly Bean)
Processor Quad-core 1.2 GHz, MTK 6589W Dual-core 1.2 GHz, Intel Atom Z2520 Quad-core 1.3 GHz Cortex-A7, Mediatek MT6582
GPU PowerVR SGX544 PowerVR SGX544MP2 Mali-400MP2
RAM 1 GB 1 GB 1 GB
Internal Memory 4 GB 8 GB 16 GB ROM
External Memory microSD, up to 32 GB microSD, up to 64 GB No

display Display

Type IPS LCD capacitive touchscreen LCD Capacitive Touchscreen, Corning Gorilla Glass 3 IPS LCD Capacitive Touchscreen
Colors 16M colors 16M colors 16M colors
Size 4.7 inches 4.0 inches 5.0 inches
Resolution 720 x 1280 pixels (312 ppi) 480 x 800 pixels (233 ppi) 720 x 1280 pixels (294 ppi)
Screen-to-Body Ratio 62.82% 59.74% 68.71%
Multi-Touch yes yes yes

multimedia Multimedia

3.5mm Jack yes yes yes
Radio FM radio; built-in antenna FM Radio FM Radio with Recording
Games Yes + Downloadable Yes + Downloadable Yes + Downloadable
Loud Speaker yes yes yes

camera Camera

Rear Camera 12 MP, 4000 x 3000 pixels 5 MP, 2592 x 1944 pixels 13 MP, 4128 x 3096 pixels
Flash LED flash No LED flash
Features Auto focus, Geo-tagging, Touch Focus, Face Detection Auto focus, Geo-tagging, Panorama Auto focus, Geo-tagging, Touch Focus, Face Detection, HDR
Video Yes Yes, 1080p@30fps Yes, 1080p@30fps
Front Camera Yes, 2 MP [Similar] Yes, VGA [Similar] Yes, 5 MP, Wide Angle [Similar]

connectivity Connectivity and Data Rate

GPRS Yes Yes Yes
Edge Yes Yes Yes
3G HSDPA, HSUPA HSDPA, 42.2 Mbps; HSUPA, 5.76 Mbps HSDPA, 21 Mbps; HSUPA, 5.76 Mbps
Bluetooth Yes, v3.0 with A2DP Yes, v4.0 with A2DP, EDR Yes, v3.0 with A2DP, HS
Wi-Fi Wi-Fi 802.11 a/b/g/n, dual band Wi-Fi 802.11 b/g/n, Wi-Fi Direct, Wi-Fi hotspot Wi-Fi 802.11 b/g/n, Wi-Fi hotspot
USB Yes, microUSB v2.0 Yes, microUSB v2.0 Yes, microUSB v2.0, USB On-the-go
GPS Yes, with A-GPS support Yes, with A-GPS support Yes, with A-GPS support
Browser HTML HTML HTML5

memory User Memory

Internal 4 GB, 1 GB RAM 8 GB, 1 GB RAM 16 GB ROM, 1 GB RAM
Expandable Storage microSD, up to 32 GB microSD, up to 64 GB No
USB OTG - - 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-Po Battery Li-Po Battery Non-removable Li-Po Battery
Capacity 2000 mAh 1200/1600 mAh 2000 mAh
Stand by Up to 140 h (2G)
Up to 140 h (3G)
Up to 192 h Up to 336 h
Talk Time Up to 22 h (2G)
Up to 10 h (3G)
Up to 10 h Up to 13 h