Phone Comparison - Lenovo S939 vs Lenovo S660 vs Lenovo Vibe X2

general General Info

Manufacturer Lenovo Lenovo Lenovo
Announced February 2014 February 2014 September 2014
Status Available - February 2014 Coming Soon - June 2014 Available - October 2014
Colors Black, White Metallic Black White, Gold, Red, Dark Grey
Form Factor Candybar Candybar Candybar
Dimension 170 x 86.5 x 8.65 mm
(6.69 x 3.41 x 0.34 in)
137 x 68.8 x 9.95 mm
(5.39 x 2.71 x 0.39 in )
140.2 x 68.6 x 7.3 mm
(5.52 x 2.7 x 0.29 in)
Weight 180 g (6.35 oz) 151 g (5.33 oz) 120 g (4.23 oz)
2G Network GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 GSM 900 / 1800 / 1900 - SIM 1 & SIM 2
GSM 850 / 1800 / 1900 - SIM 1 & SIM 2
GSM 850 / 900 / 1800 / 1900
3G Network HSDPA 2100 HSDPA 900 / 2100
HSDPA 850 / 1900
HSDPA 850 / 900 / 1700 / 1900 / 2100
4G Network - - LTE 800 / 1800 / 2100 / 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, v4.4 (KitKat)
Processor Octa-core 1.7 GHz, Mediatek MT6592 Quad-core 1.3 GHz Cortex-A7, Mediatek MT6582M Octa-core 2.0 GHz, MediatTek MT6595m True8Core
GPU Mali-450MP4 Mali-400MP2 PowerVR G600
RAM 1 GB 1 GB 2 GB
Internal Memory 8 GB ROM 8 GB ROM 32 GB
External Memory microSD, up to 32 GB microSD, up to 32 GB No

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 4.7 inches 5.0 inches
Resolution 720 x 1280 pixels (245 ppi) 540 x 960 pixels (234 ppi) 1080 x 1920 pixels (441 ppi)
Screen-to-Body Ratio 67.36% 64.80% 71.52%
Multi-Touch yes yes yes

multimedia Multimedia

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

camera Camera

Rear Camera 8 MP, 3264x2448 pixels 8 MP, 3264x2448 pixels 13 MP, 4160 x 3120 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 Detection, Panorama, HDR
Video Yes, 1080p@30fps Yes, 1080p@30fps 1080p@30fps
Front Camera Yes, 1.6 MP [Similar] Yes, VGA [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 HSDPA, 42 Mbps; HSUPA; LTE, Cat4, 50 Mbps UL, 150 Mbps DL
Bluetooth Yes, v4.0 Yes, v3.0 with A2DP, HS v4.0, A2DP
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/ac, dual band, Wi-Fi hotspot
USB Yes, microUSB v2.0 Yes, microUSB v2.0, USB On-the-go microUSB v2.0
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 8 GB ROM, 1 GB RAM 32 GB, 2 GB RAM
Expandable Storage microSD, up to 32 GB microSD, up to 32 GB No
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 Non-removable Li-Po Battery Non-removable Li-Po Battery
Capacity 3000 mAh 3000 mAh 2300 mAh
Stand by - - Up to 228 h (2G)
Up to 216 h (3G)
Talk Time - Up to 10 h (2G)
Up to 8 h (3G)
Up to 17 h (2G)
Up to 19 h (3G)