Lenovo A850 vs Lenovo S660

Key Specs

Battery
Battery	2250 mAh	3000 mAh
Display
Display	5.5 inches (13.97 cm)	4.7 inches (11.94 cm)
Front Camera
Front Camera	0.3 MP	0.3 MP
Processor
Processor	MediaTek MT6582M	MediaTek MT6582
RAM
RAM	1 GB	1 GB
Rear Camera
Rear Camera	5 MP	8 MP

Battery

Capacity
Capacity	2250 mAh	3000 mAh
Removable
Removable	Yes	Yes
Standby time
Standby Time	Up to 490 Hours(3G) / Up to 490 Hours(2G)	Up to 800 Hours(3G) / Up to 840 Hours(2G)
TalkTime
TalkTime	Up to 14.5 Hours(3G) / Up to 28 Hours(2G)	Up to 20 Hours(3G) / Up to 36 Hours(2G)
Type
Type	Li-ion	Li-Polymer

Design

Colours
Colours	Black, White	Black
Height
Height	153.5 mm	137 mm
Thickness
Thickness	9.45 mm	10 mm
Weight
Weight	184 grams	151 grams
Width
Width	79.3 mm	68.8 mm

Display

Display Type
Display Type	IPS LCD	IPS LCD
Pixel Density
Pixel Density	200 ppi	234 ppi
Resolution
Resolution	540x960 px	540x960 px
Screen Size
Screen Size	5.5 inches (13.97 cm)	4.7 inches (11.94 cm)
Screen to Body Ratio (calculated)
Screen to Body Ratio (calculated)	68.35 %	64.46 %
Touch Screen
Touch Screen	Yes, Capacitive Touchscreen, Multi-touch	Yes, Capacitive Touchscreen, Multi-touch

Front Camera

Camera Features
Camera Features	-	Fixed Focus
Resolution
Resolution	0.3 MP, Primary Camera	0.3 MP, Primary Camera

Not sure which
mobile to buy?

General

Brand
Brand	Lenovo	Lenovo
Launch Date
Launch Date	October 18, 2013 (Official)	April 14, 2014 (Official)
Operating System
Operating System	Android v4.2.2 (Jelly Bean)	Android v4.2 (Jelly Bean)

Main Camera

Autofocus
Autofocus	Yes	Yes
Camera Features
Camera Features	Digital Zoom Touch to focus	Digital Zoom Face detection Touch to focus
Camera Setup
Camera Setup	Single	Single
Flash
Flash	Yes, LED Flash	Yes, LED Flash
Image Resolution
Image Resolution	2592 x 1944 Pixels	3264 x 2448 Pixels
Resolution
Resolution	5 MP, Primary Camera	8 MP, Primary Camera
Shooting Modes
Shooting Modes	-	High Dynamic Range mode (HDR)
Video Recording
Video Recording	-	1920x1080 fps

Multimedia

Audio Jack
Audio Jack	3.5 mm	3.5 mm
FM Radio
FM Radio	Yes	Yes
Loudspeaker
Loudspeaker	Yes	Yes

Network & Connectivity

Bluetooth
Bluetooth	Yes, v4.0	Yes, v4.0
GPS
GPS	Yes with A-GPS	Yes with A-GPS
Network Support
Network Support	5G Not Supported in India, 3G, 2G	5G Not Supported in India, 3G, 2G
SIM 1
SIM 1	3G Bands: UMTS 1900 / 2100 / 850 / 900 MHz 2G Bands: GSM 1800 / 1900 / 850 / 900 MHz 3G Speed: HSDPA 21 Mbit/s ↓, HSUPA 5.76 Mbit/s ↑ GPRS: Available EDGE: Available	3G Bands: UMTS 1900 / 2100 / 850 / 900 MHz 2G Bands: GSM 1800 / 1900 / 850 / 900 MHz 3G Speed: HSDPA 21 Mbit/s ↓, HSUPA 5.76 Mbit/s ↑ GPRS: Available EDGE: Available
SIM 2
SIM 2	2G Bands: GSM 1800 / 1900 / 850 / 900 MHz	2G Bands: GSM 1800 / 1900 / 850 / 900 MHz
SIM Slot(s)
SIM Slot(s)	Dual SIM, GSM+GSM	Dual SIM, GSM+GSM
USB Connectivity
USB Connectivity	microUSB 2.0	microUSB 2.0
Wi-Fi
Wi-Fi	Yes, Wi-Fi 4 (802.11 b/g/n)	Yes, Wi-Fi 4 (802.11 b/g/n)
Wi-Fi Features
Wi-Fi Features	Mobile Hotspot	Mobile Hotspot

Performance

CPU
CPU	Quad core, 1.3 GHz, Cortex A7	Quad core, 1.3 GHz
Chipset
Chipset	MediaTek MT6582M	MediaTek MT6582
Graphics
Graphics	Mali-400 MP2	Mali-400 MP2

Sensors

Other Sensors
Other Sensors	Light sensor, Proximity sensor, Accelerometer	Proximity sensor, Accelerometer

Storage

Expandable Memory
Expandable Memory	Yes, Up to 32 GB	Yes, Up to 32 GB
Internal Memory
Internal Memory	4 GB Below	8 GB