Phone Comparison - Samsung Galaxy Ace 2 vs Lenovo S820 vs Lenovo P780

general General Info

Manufacturer Samsung Lenovo Lenovo
Announced February 2012 May 2013 June 2013
Status Available - May 2012 Available - May 2013 Available - June 2013
Colors Black Flamingo red Black
Form Factor Candybar Candybar Candybar
Dimension 118.3 x 62.2 x 10.5 mm
(4.66 x 2.45 x 0.41 in)
139.5 x 69.7 x 9 mm
(5.49 x 2.74 x 0.35 in)
143 x 73 x 10 mm
(5.63 x 2.87 x 0.39 in)
Weight 122 g (4.3 oz) 143 g (5.04 oz) 176 g (6.21 oz)
2G Network GSM 850 / 900 / 1800 / 1900 GSM 900 / 1800 / 1900 GSM 900 / 1800 / 1900 - SIM 1 & SIM 2
3G Network HSDPA 900 / 2100 HSDPA 900 / 2100 HSDPA 900 / 2100
Messaging SMS, MMS, EMail, IM SMS, MMS, EMail, IM SMS, MMS, EMail, IM

hardware Hardware and OS

OS Android OS, v2.3 Android OS, v4.2 (Jelly Bean) Android OS, v4.2 (Jelly Bean)
Processor Dual-core 800 MHz, NovaThor U8500 Quad-core 1.2 GHz, MTK 6589W Quad-core 1.2 GHz Cortex-A7, MTK 6589
GPU Mali-400MP PowerVR SGX544 PowerVR SGX544
RAM 768 MB 1 GB 1 GB
Internal Memory 4 GB storage 4 GB 4 GB
External Memory microSD, up to 32GB microSD, up to 32 GB microSD, up to 32 GB

display Display

Type PLS TFT capacitive touchscreen IPS LCD capacitive touchscreen IPS LCD capacitive touchscreen
Colors 16M colors 16M colors 16M colors
Size 3.8 inches 4.7 inches 5.0 inches
Resolution 480 x 800 pixels (246 ppi) 720 x 1280 pixels (312 ppi) 720 x 1280 pixels (294 ppi)
Screen-to-Body Ratio 55.64% 62.82% 65.90%
Multi-Touch yes yes yes

multimedia Multimedia

3.5mm Jack yes yes yes
Radio Stereo FM radio with RDS FM radio; built-in antenna FM radio
Games Yes Yes + Downloadable Yes + Downloadable
Loud Speaker yes yes yes

camera Camera

Rear Camera 5 MP, 2592x1944 pixels 12 MP, 4000 x 3000 pixels 8 MP, 3264 x 2448 pixels
Flash LED flash LED flash LED flash
Features Auto focus, Geo-tagging, Face And Smile Detection Auto focus, Geo-tagging, Touch Focus, Face Detection Auto focus, Geo-tagging, Touch Focus, Face Detection
Video Yes, 720p@30fps Yes Yes
Front Camera Yes, VGA [Similar] Yes, 2 MP [Similar] Yes, 1.2 MP [Similar]

connectivity Connectivity and Data Rate

GPRS Yes Yes Yes
Edge Yes Yes Yes
3G HSDPA, 14.4 Mbps HSDPA, HSUPA HSDPA, HSUPA
Bluetooth Yes, v3.0 with A2DP Yes, v3.0 with A2DP Yes, v3.0
Wi-Fi Wi-Fi 802.11 b/g/n, DLNA, Wi-Fi Direct, Wi-Fi hotspot Wi-Fi 802.11 a/b/g/n, dual band Wi-Fi 802.11 a/b/g/n, dual-band, Wi-Fi hotspot
USB Yes, v2.0 microUSB Yes, microUSB v2.0 Yes, microUSB v2.0, USB On-the-go
GPS Yes, with A-GPS support and GLONASS Yes, with A-GPS support Yes, with A-GPS support
Browser HTML HTML HTML

memory User Memory

Internal 4 GB storage, 768 MB RAM 4 GB, 1 GB RAM 4 GB, 1 GB RAM
Expandable Storage microSD, up to 32GB 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 Standard battery, Li-Ion Li-Po Battery Li-Po Battery
Capacity 1500 mAh 2000 mAh 4000 mAh
Stand by Up to 670 h (2G)
Up to 640 h (3G)
Up to 140 h (2G)
Up to 140 h (3G)
Up to 840 h
Talk Time Up to 16 h 20 min (2G)
Up to 7 h 30 min (3G)
Up to 22 h (2G)
Up to 10 h (3G)
Up to 43 h (2G)
Up to 25 h (3G)