Phone Comparison - Lenovo S939 vs Xiaomi Mi 3 vs Xiaomi Redmi Note

general General Info

Manufacturer Lenovo Xiaomi Xiaomi
Announced February 2014 September 2013 March 2014
Status Available - February 2014 Available - December 2013 Available - March 2014
Colors Black, White Various Various
Form Factor Candybar Candybar Candybar
Dimension 170 x 86.5 x 8.65 mm
(6.69 x 3.41 x 0.34 in)
144 x 73.6 x 8.1 mm
(5.67 x 2.9 x 0.32 in)
154 x 78.7 x 9.45 mm
(6.06 x 3.1 x 0.37 in)
Weight 180 g (6.35 oz) 145 g (5.11 oz) 199 g (7.02 oz)
2G Network GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 GSM 850 / 900 / 1800 / 1900 GSM 900 / 1800 / 1900 - SIM 1 & SIM 2
3G Network HSDPA 2100 HSDPA 850 / 900 / 1900 / 2100 HSDPA 1900 / 2100
Messaging SMS, MMS, Push Mail, EMail, IM SMS, MMS, EMail, IM SMS, MMS, EMail, IM

hardware Hardware and OS

OS Android OS, v4.2.2 (Jelly Bean) Android OS, v4.4 (KitKat) optimized with MIUI version 5 Android OS, v4.2 (Jelly Bean)
Processor Octa-core 1.7 GHz, Mediatek MT6592 Quad-core 2.3 GHz Krait 400, Qualcomm MSM8274AB Snapdragon 800 Octa-core 1.4 GHz Cortex-A7 / Octa-core 1.7 GHz Cortex-A7, Mediatek MT6592
GPU Mali-450MP4 Adreno 330 Mali-450MP4
RAM 1 GB 2 GB 1/2 GB
Internal Memory 8 GB ROM 16/64 GB 8 GB
External Memory microSD, up to 32 GB No microSD, up to 32 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) 1080 x 1920 pixels (441 ppi) 720 x 1280 pixels (267 ppi)
Screen-to-Body Ratio 67.36% 64.90% 68.82%
Multi-Touch yes yes yes

multimedia Multimedia

3.5mm Jack yes yes yes
Radio FM Radio with Recording FM radio 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 dual-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 And Smile Detection, Image Stabilization, HDR Auto focus, Geo-tagging, Touch Focus, Face And Smile Detection, HDR
Video Yes, 1080p@30fps 1080p@30fps, HDR 1080p@30fps
Front Camera Yes, 1.6 MP [Similar] 2 MP, 1080p@30fps [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 DC-HSDPA, 42 Mbps; HSDPA, 21 Mbps; HSUPA, 5.76 Mbps HSPA+
Bluetooth Yes, v4.0 v4.0, A2DP v4.0, A2DP, LE
Wi-Fi 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 Wi-Fi 802.11 b/g/n, Wi-Fi Direct, Wi-Fi hotspot
USB Yes, microUSB v2.0 microUSB v2.0 (MHL), USB On-the-go microUSB v2.0, USB On-the-go
GPS Yes, with A-GPS support Yes, with A-GPS, GLONASS Yes, with A-GPS
Browser HTML5 HTML5 HTML5

memory User Memory

Internal 8 GB ROM, 1 GB RAM 16/64 GB, 2 GB RAM 8 GB, 1/2 GB RAM
Expandable Storage microSD, up to 32 GB No microSD, up to 32 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 supported NFC not supported

battery Battery

Type Li-Ion Battery Non-removable Li-Ion Battery Li-Po Battery
Capacity 3000 mAh 3050 mAh 3100 mAh
Stand by - Up to 500 h -
Talk Time - Up to 4 h -