Phone Comparison - Lenovo S850 vs Lenovo S660 vs Xiaomi Redmi 1S

general General Info

Manufacturer Lenovo Lenovo Xiaomi
Announced February 2014 February 2014 May 2014
Status Coming Soon - June 2014 Coming Soon - June 2014 Available - May 2014
Colors White, Pink Metallic Black Black, Chinese Red, Metallic Gray/ blue, green, yellow panels
Form Factor Candybar Candybar Candybar
Dimension 141 x 71 x 8.2 mm
(5.55 x 2.8 x 0.32 in)
137 x 68.8 x 9.95 mm
(5.39 x 2.71 x 0.39 in )
137 x 69 x 9.9 mm
(5.39 x 2.72 x 0.39 in)
Weight 140 g (4.94 oz) 151 g (5.33 oz) 158 g (5.57 oz)
2G Network GSM 900 / 1800 / 1900
GSM 850 / 1800 / 1900
GSM 900 / 1800 / 1900 - SIM 1 & SIM 2
GSM 850 / 1800 / 1900 - SIM 1 & SIM 2
GSM 900 / 1800 / 1900
3G Network HSDPA 900 / 2100
HSDPA 850 / 1900
HSDPA 900 / 2100
HSDPA 850 / 1900
HSDPA 1900 / 2100
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, v4.3 (Jelly Bean)
Processor Quad-core 1.3 GHz Cortex-A7, Mediatek MT6582 Quad-core 1.3 GHz Cortex-A7, Mediatek MT6582M Quad-core 1.6 GHz Cortex-A7, Qualcomm MSM8228 Snapdragon
GPU Mali-400MP2 Mali-400MP2 Adreno 305
RAM 1 GB 1 GB 1 GB
Internal Memory 16 GB ROM 8 GB ROM 8 GB
External Memory No microSD, up to 32 GB microSD, up to 32 GB

display Display

Type IPS LCD Capacitive Touchscreen IPS LCD Capacitive Touchscreen IPS LCD Capacitive Touchscreen, Corning Gorilla Glass 2
Colors 16M colors 16M colors 16M colors
Size 5.0 inches 4.7 inches 4.7 inches
Resolution 720 x 1280 pixels (294 ppi) 540 x 960 pixels (234 ppi) 720 x 1280 pixels (312 ppi)
Screen-to-Body Ratio 68.71% 64.80% 64.61%
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 13 MP, 4128 x 3096 pixels 8 MP, 3264x2448 pixels 8 MP, 3264 x 2448 pixels
Flash LED flash LED flash LED flash
Features Auto focus, Geo-tagging, Touch Focus, Face Detection, HDR Auto focus, Geo-tagging, Touch Focus, Face Detection, HDR Auto focus, 1.4 µm Pixel Size, Geo-tagging, Touch Focus, Face And Smile Detection, HDR
Video Yes, 1080p@30fps Yes, 1080p@30fps 1080p@30fps
Front Camera Yes, 5 MP, Wide Angle [Similar] Yes, VGA [Similar] 1.3 MP, 720p@30fps [Similar]

connectivity Connectivity and Data Rate

GPRS Yes Yes Yes
Edge Yes Yes Yes
3G HSDPA, 21 Mbps; HSUPA, 5.76 Mbps HSDPA, 21 Mbps; HSUPA, 5.76 Mbps HSDPA, HSUPA
Bluetooth Yes, v3.0 with A2DP, HS 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 b/g/n, Wi-Fi Direct, Wi-Fi hotspot
USB Yes, microUSB v2.0, USB On-the-go 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
Browser HTML5 HTML5 HTML5

memory User Memory

Internal 16 GB ROM, 1 GB RAM 8 GB ROM, 1 GB RAM 8 GB, 1 GB RAM
Expandable Storage No microSD, up to 32 GB microSD, up to 32 GB
USB OTG Supported 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 Non-removable Li-Po Battery Non-removable Li-Po Battery Li-Po Battery
Capacity 2000 mAh 3000 mAh 2000 mAh
Stand by Up to 336 h - -
Talk Time Up to 13 h Up to 10 h (2G)
Up to 8 h (3G)
-