Phone Comparison - Samsung Galaxy Ace Duos vs Panasonic P51 vs Lenovo S650 Vibe

general General Info

Manufacturer Samsung Panasonic Lenovo
Announced May 2012 May 2013 December 2013
Status Available - June 2012 Available - May 2013 Available - December 2013
Colors Black Black, White Silver
Form Factor Candybar Candybar Candybar
Dimension 112.7 x 61.5 x 11.5 mm
(4.44 x 2.42 x 0.45 in)
144 x 75 x 8.5 mm
(5.67 x 2.95 x 0.33 in)
138 x 69.8 x 8.8 mm
(5.43 x 2.75 x 0.35 in)
Weight 122 g (4.3 oz) 135 g (4.76 oz) 126 g (4.44 oz)
2G Network GSM 850 / 900 / 1800 / 1900
GSM 850 / 900 / 1800 / 1900
GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 GSM 900 / 1800 / 1900
3G Network HSDPA 900 / 2100 HSDPA 900 / 2100 HSDPA 900 / 2100
Messaging SMS, MMS SMS, MMS, Push Mail, EMail, IM SMS, MMS, EMail, IM

hardware Hardware and OS

OS Android OS, v2.3 (Gingerbread) Android OS, v4.2 (Jelly Bean) Android OS, v4.2 (Jelly Bean)
Processor 832 MHz Quad-core 1.2 GHz Cortex-A7, MTK MT6589 Quad-core 1.3 GHz Cortex-A7, Mediatek MT6582
GPU PowerVR SGX544 Mali-400MP2
RAM N/A 1 GB 1 GB
Internal Memory 3 GB storage, 512 MB 4 GB storage 8 GB
External Memory microSD, up to 32 GB microSD, up to 32 GB microSD, up to 32 GB

display Display

Type TFT capacitive touchscreen IPS LCD capacitive touchscreen Capacitive touchscreen
Colors 16M colors 16M colors 16M colors
Size 3.5 inches 5.0 inches 4.7 inches
Resolution 320 x 480 pixels (165 ppi) 720 x 1280 pixels (294 ppi) 540 x 960 pixels (234 ppi)
Screen-to-Body Ratio 52.52% 63.69% 63.41%
Multi-Touch yes yes yes

multimedia Multimedia

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

camera Camera

Rear Camera 5 MP, 2592x1944 pixels 8 MP, 3264 x 2448 pixels 8 MP, 3264 x 2448 pixels
Flash No LED flash LED flash
Features Auto focus, Geo-tagging Auto focus, Geo-tagging, Touch Focus, Face Detection Auto focus, Geo-tagging, Touch Focus, Face Detection, HDR
Video Yes Yes, 1080p Yes
Front Camera No [Similar] Yes, 1.3 MP, 720p [Similar] Yes, VGA [Similar]

connectivity Connectivity and Data Rate

GPRS Yes Yes Yes
Edge Yes Yes Yes
3G HSDPA, 7.2 Mbps HSDPA, 21 Mbps; HSUPA, 11 Mbps HSDPA, HSUPA
Bluetooth Yes, v3.0 with A2DP Yes, v4.0 with A2DP, EDR Yes, v3.0 with 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 a/b/g/n, dual-band, Wi-Fi hotspot
USB Yes, microUSB v2.0 Yes, microUSB v2.0, USB On-the-go Yes, microUSB v2.0
GPS Yes, with A-GPS support Yes, with A-GPS support Yes, with A-GPS support
Browser HTML HTML5 HTML

memory User Memory

Internal 3GB storage, 512 MB 4 GB storage, 1 GB RAM 8 GB, 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 Standard battery, Li-Ion Li-Ion Battery Li-Po Battery
Capacity 1300 mAh 2500 mAh 2000 mAh
Stand by Up to 520 h (2G)
Up to 410 h (3G)
- -
Talk Time Up to 6 h 30 min (2G)
Up to 16 h 40 min (3G)
- Up to 12 h (2G)
Up to 8 h (3G)