Phone Comparison - Lenovo S820 vs Asus Zenfone 5 vs Xiaomi Redmi Note

general General Info

Manufacturer Lenovo Asus Xiaomi
Announced May 2013 January 2014 March 2014
Status Available - May 2013 Available - June 2014 Available - March 2014
Colors Flamingo red Black, White, Red, Blue, Gold Various
Form Factor Candybar Candybar Candybar
Dimension 139.5 x 69.7 x 9 mm
(5.49 x 2.74 x 0.35 in)
148.2 x 72.8 x 5.5-10.3
(5.83 x 2.87 x 0.22-0.41)
154 x 78.7 x 9.45 mm
(6.06 x 3.1 x 0.37 in)
Weight 143 g (5.04 oz) 140 g (4.94 oz) 199 g (7.02 oz)
2G Network GSM 900 / 1800 / 1900 GSM 850 / 900 / 1800 / 1900 GSM 900 / 1800 / 1900 - SIM 1 & SIM 2
3G Network HSDPA 900 / 2100 HSDPA 850 / 900 / 1900 / 2100 HSDPA 1900 / 2100
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 1.2 GHz, MTK 6589W Dual-core 2.0 GHz / Dual-core 1.6 GHz, Intel Atom Z2580/Z2560 Octa-core 1.4 GHz Cortex-A7 / Octa-core 1.7 GHz Cortex-A7, Mediatek MT6592
GPU PowerVR SGX544 PowerVR SGX544MP2 Mali-450MP4
RAM 1 GB 1/2 GB 1/2 GB
Internal Memory 4 GB 8/16 GB 8 GB
External Memory microSD, up to 32 GB microSD, up to 64 GB microSD, up to 32 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 4.7 inches 5.0 inches 5.5 inches
Resolution 720 x 1280 pixels (312 ppi) 720 x 1280 pixels (294 ppi) 720 x 1280 pixels (267 ppi)
Screen-to-Body Ratio 62.82% 63.76% 68.82%
Multi-Touch yes yes yes

multimedia Multimedia

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

camera Camera

Rear Camera 12 MP, 4000 x 3000 pixels 8 MP, 3264 x 2448 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 Yes 1080p@30fps
Front Camera Yes, 2 MP [Similar] Yes, 2 MP [Similar] 5 MP [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 HSPA+
Bluetooth Yes, v3.0 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 802.11 b/g/n, Wi-Fi Direct, Wi-Fi hotspot Wi-Fi 802.11 b/g/n, Wi-Fi Direct, Wi-Fi hotspot
USB Yes, microUSB v2.0 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
Browser HTML HTML HTML5

memory User Memory

Internal 4 GB, 1 GB RAM 8/16 GB, 1/2 GB RAM 8 GB, 1/2 GB RAM
Expandable Storage microSD, up to 32 GB microSD, up to 64 GB microSD, up to 32 GB
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 Non-removable Li-Po Battery Li-Po Battery
Capacity 2000 mAh 2110 mAh 3100 mAh
Stand by Up to 140 h (2G)
Up to 140 h (3G)
Up to 353 h (3G) -
Talk Time Up to 22 h (2G)
Up to 10 h (3G)
Up to 18 h 30 min (3G) -