Phone Comparison - Lenovo S939 vs Lenovo S850 vs Xiaomi Redmi Note 4G

general General Info

Manufacturer Lenovo Lenovo Xiaomi
Announced February 2014 February 2014 August 2014
Status Available - February 2014 Coming Soon - June 2014 Available - November 2014
Colors Black, White White, Pink Black/White
Form Factor Candybar Candybar Candybar
Dimension 170 x 86.5 x 8.65 mm
(6.69 x 3.41 x 0.34 in)
141 x 71 x 8.2 mm
(5.55 x 2.8 x 0.32 in)
154 x 78.7 x 9.5 mm
(6.06 x 3.1 x 0.37 in)
Weight 180 g (6.35 oz) 140 g (4.94 oz) 199 g (7.02 oz)
2G Network GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 GSM 900 / 1800 / 1900
GSM 850 / 1800 / 1900
GSM 900 / 1800 / 1900
3G Network HSDPA 2100 HSDPA 900 / 2100
HSDPA 850 / 1900
TD-SCDMA 1900 / 2000
4G Network - - TD-LTE 1900 / 2300 / 2600
Messaging SMS, MMS, Push Mail, EMail, IM SMS, MMS, Push Mail, EMail, IM SMS, MMS, EMail, IM

hardware Hardware and OS

OS Android OS, v4.2.2 (Jelly Bean) Android OS, v4.2.2 (Jelly Bean) Android OS, v4.2 (Jelly Bean)
Processor Octa-core 1.7 GHz, Mediatek MT6592 Quad-core 1.3 GHz Cortex-A7, Mediatek MT6582 Quad-core 1.6 GHz Cortex-A7, Qualcomm MSM8928 Snapdragon 400
GPU Mali-450MP4 Mali-400MP2 Adreno 305
RAM 1 GB 1 GB 2 GB
Internal Memory 8 GB ROM 16 GB ROM 8 GB
External Memory microSD, up to 32 GB No microSD, up to 64 GB

display Display

Type IPS LCD Capacitive Touchscreen, OGS IPS LCD Capacitive Touchscreen IPS LCD capacitive touchscreen
Colors 16M colors 16M colors 16M colors
Size 6.0 inches 5.0 inches 5.5 inches
Resolution 720 x 1280 pixels (245 ppi) 720 x 1280 pixels (294 ppi) 720 x 1280 pixels (267 ppi)
Screen-to-Body Ratio 67.36% 68.71% 68.82%
Multi-Touch yes yes yes

multimedia Multimedia

3.5mm Jack yes yes yes
Radio FM Radio with Recording FM Radio with Recording FM radio
Games Yes + Downloadable Yes + Downloadable Yes + Downloadable
Loud Speaker yes yes yes

camera Camera

Rear Camera 8 MP, 3264x2448 pixels 13 MP, 4128 x 3096 pixels 13 MP, 4128 x 3096 pixels
Flash LED flash LED flash LED flash
Features Auto focus, Geo-tagging, Touch Focus, Face Detection, 360 degree Panorama, HDR, Image Stabilization Auto focus, Geo-tagging, Touch Focus, Face Detection, HDR Auto focus, Geo-tagging, Touch Focus, Face And Smile Detection, HDR
Video Yes, 1080p@30fps Yes, 1080p@30fps 1080p@30fps
Front Camera Yes, 1.6 MP [Similar] Yes, 5 MP, Wide Angle [Similar] 5 MP [Similar]

connectivity Connectivity and Data Rate

GPRS Yes Yes Yes
Edge Yes Yes Yes
3G HSDPA, 42.2 Mbps, HSUPA, 11.5 Mbps HSDPA, 21 Mbps; HSUPA, 5.76 Mbps TD-SCDMA; LTE
Bluetooth Yes, v4.0 Yes, v3.0 with A2DP, HS v4.0, A2DP, LE
Wi-Fi Wi-Fi 802.11 b/g/n, Wi-Fi hotspot Wi-Fi 802.11 b/g/n, Wi-Fi hotspot 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, USB On-the-go microUSB v2.0, USB On-the-go
GPS Yes, with A-GPS support Yes, with A-GPS support Yes, with A-GPS, GLONASS
Browser HTML5 HTML5 HTML5

memory User Memory

Internal 8 GB ROM, 1 GB RAM 16 GB ROM, 1 GB RAM 8 GB, 2 GB RAM
Expandable Storage microSD, up to 32 GB No microSD, up to 64 GB
USB OTG - Supported 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-Ion Battery Non-removable Li-Po Battery Li-Po Battery
Capacity 3000 mAh 2000 mAh 3200 mAh
Stand by - Up to 336 h Up to 775 h (3G)
Talk Time - Up to 13 h Up to 38 h (2G)
Up to 14 h (3G)