Phone Comparison - Lenovo K900 vs Lenovo S920 vs Lenovo S660

general General Info

Manufacturer Lenovo Lenovo Lenovo
Announced January 2013 March 2013 February 2014
Status Available - April 2013 Available - May 2013 Coming Soon - June 2014
Colors Black White, Blue Metallic Black
Form Factor Candybar Candybar Candybar
Dimension 157 x 78 x 6.9 mm
(6.18 x 3.07 x 0.27 in)
154 x 77.7 x 7.9 mm
(6.06 x 3.06 x 0.31 in)
137 x 68.8 x 9.95 mm
(5.39 x 2.71 x 0.39 in )
Weight 162 g (5.71 oz) 159 g (5.61 oz) 151 g (5.33 oz)
2G Network GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 GSM 900 / 1800 / 1900 GSM 900 / 1800 / 1900 - SIM 1 & SIM 2
GSM 850 / 1800 / 1900 - SIM 1 & SIM 2
3G Network HSDPA 2100 HSDPA 900 / 2100 HSDPA 900 / 2100
HSDPA 850 / 1900
Messaging SMS, MMS, EMail, IM SMS, MMS, EMail, IM SMS, MMS, Push Mail, EMail, IM

hardware Hardware and OS

OS Android OS, v4.2 (Jelly Bean) Android OS, v4.2 (Jelly Bean) Android OS, v4.2.2 (Jelly Bean)
Processor Dual-core 2.0 GHz, Intel Atom Z2580 Quad-core 1.2 GHz Cortex-A7, MTK 6589 Quad-core 1.3 GHz Cortex-A7, Mediatek MT6582M
GPU PowerVR SGX544 PowerVR SGX544 Mali-400MP2
RAM 2 GB 1 GB 1 GB
Internal Memory 16 GB 4 GB 8 GB ROM
External Memory microSD, up to 32 GB 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
Colors 16M colors 16M colors 16M colors
Size 5.5 inches 5.3 inches 4.7 inches
Resolution 1080 x 1920 pixels (401 ppi) 720 x 1280 pixels (277 ppi) 540 x 960 pixels (234 ppi)
Screen-to-Body Ratio 67.94% 64.76% 64.80%
Multi-Touch yes yes yes

multimedia Multimedia

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

camera Camera

Rear Camera 13 MP, autofocus 8 MP, 3264 x 2448 pixels 8 MP, 3264x2448 pixels
Flash dual-LED flash LED flash LED flash
Features Geo-tagging, Touch Focus, Face Detection Auto focus, Geo-tagging, Touch Focus, Face Detection Auto focus, Geo-tagging, Touch Focus, Face Detection, HDR
Video Yes, 1080p@30fps Yes Yes, 1080p@30fps
Front Camera Yes, 2 MP [Similar] Yes, 2 MP [Similar] Yes, VGA [Similar]

connectivity Connectivity and Data Rate

GPRS Yes Class 12 (4+1/3+2/2+3/1+4 slots), 32 - 48 kbps Yes
Edge Yes Class 12 Yes
3G HSPA+ HSDPA, 7.2 Mbps; HSUPA, 5.76 Mbps HSDPA, 21 Mbps; HSUPA, 5.76 Mbps
Bluetooth Yes, with A2DP Yes, v3.0 with A2DP Yes, v3.0 with A2DP, HS
Wi-Fi Wi-Fi 802.11 a/b/g/n, dual band, Wi-Fi hotspot Wi-Fi 802.11 a/b/g/n, dual band Wi-Fi 802.11 b/g/n, Wi-Fi hotspot
USB Yes, microUSB v2.0 Yes, microUSB v2.0 Yes, microUSB v2.0, USB On-the-go
GPS Yes, with A-GPS support Yes, with A-GPS support Yes, with A-GPS support
Browser HTML5 HTML HTML5

memory User Memory

Internal 16 GB, 2 GB RAM 4 GB, 1 GB RAM 8 GB ROM, 1 GB RAM
Expandable Storage microSD, up to 32 GB microSD, up to 32 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-Ion battery Li-Po Battery Non-removable Li-Po Battery
Capacity 2500 mAh 2250 mAh 3000 mAh
Stand by - Up to 480 h (2G)
Up to 480 h (3G)
-
Talk Time - Up to 25 h (2G)
Up to 12 h (3G)
Up to 10 h (2G)
Up to 8 h (3G)