Phone Comparison - Lenovo S920 vs Lenovo S820 vs Xiaomi Redmi Note 4G

general General Info

Manufacturer Lenovo Lenovo Xiaomi
Announced March 2013 May 2013 August 2014
Status Available - May 2013 Available - May 2013 Available - November 2014
Colors White, Blue Flamingo red Black/White
Form Factor Candybar Candybar Candybar
Dimension 154 x 77.7 x 7.9 mm
(6.06 x 3.06 x 0.31 in)
139.5 x 69.7 x 9 mm
(5.49 x 2.74 x 0.35 in)
154 x 78.7 x 9.5 mm
(6.06 x 3.1 x 0.37 in)
Weight 159 g (5.61 oz) 143 g (5.04 oz) 199 g (7.02 oz)
2G Network GSM 900 / 1800 / 1900 GSM 900 / 1800 / 1900 GSM 900 / 1800 / 1900
3G Network HSDPA 900 / 2100 HSDPA 900 / 2100 TD-SCDMA 1900 / 2000
4G Network - - TD-LTE 1900 / 2300 / 2600
Messaging SMS, MMS, EMail, IM SMS, MMS, EMail, IM SMS, MMS, EMail, IM

hardware Hardware and OS

OS Android OS, v4.2 (Jelly Bean) Android OS, v4.2 (Jelly Bean) Android OS, v4.2 (Jelly Bean)
Processor Quad-core 1.2 GHz Cortex-A7, MTK 6589 Quad-core 1.2 GHz, MTK 6589W Quad-core 1.6 GHz Cortex-A7, Qualcomm MSM8928 Snapdragon 400
GPU PowerVR SGX544 PowerVR SGX544 Adreno 305
RAM 1 GB 1 GB 2 GB
Internal Memory 4 GB 4 GB 8 GB
External Memory microSD, up to 32 GB microSD, up to 32 GB microSD, up to 64 GB

display Display

Type IPS LCD capacitive touchscreen IPS LCD capacitive touchscreen IPS LCD capacitive touchscreen
Colors 16M colors 16M colors 16M colors
Size 5.3 inches 4.7 inches 5.5 inches
Resolution 720 x 1280 pixels (277 ppi) 720 x 1280 pixels (312 ppi) 720 x 1280 pixels (267 ppi)
Screen-to-Body Ratio 64.76% 62.82% 68.82%
Multi-Touch yes yes yes

multimedia Multimedia

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

camera Camera

Rear Camera 8 MP, 3264 x 2448 pixels 12 MP, 4000 x 3000 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 Class 12 (4+1/3+2/2+3/1+4 slots), 32 - 48 kbps Yes Yes
Edge Class 12 Yes Yes
3G HSDPA, 7.2 Mbps; HSUPA, 5.76 Mbps HSDPA, HSUPA TD-SCDMA; LTE
Bluetooth Yes, v3.0 with A2DP Yes, v3.0 with A2DP v4.0, A2DP, LE
Wi-Fi Wi-Fi 802.11 a/b/g/n, dual band Wi-Fi 802.11 a/b/g/n, dual band Wi-Fi 802.11 a/b/g/n/ac, dual-band, 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, GLONASS
Browser HTML HTML HTML5

memory User Memory

Internal 4 GB, 1 GB RAM 4 GB, 1 GB RAM 8 GB, 2 GB RAM
Expandable Storage microSD, up to 32 GB microSD, up to 32 GB microSD, up to 64 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 Li-Po Battery Li-Po Battery
Capacity 2250 mAh 2000 mAh 3200 mAh
Stand by Up to 480 h (2G)
Up to 480 h (3G)
Up to 140 h (2G)
Up to 140 h (3G)
Up to 775 h (3G)
Talk Time Up to 25 h (2G)
Up to 12 h (3G)
Up to 22 h (2G)
Up to 10 h (3G)
Up to 38 h (2G)
Up to 14 h (3G)