Phone Comparison - Panasonic T31 vs Micromax Canvas Juice A77 vs Samsung Galaxy S Duos 2 S7582

general General Info

Manufacturer Panasonic Micromax Samsung
Announced October 2013 November 2013 November 2013
Status Available - November 2013 Available - November 2013 Available - November 2013
Colors Bluish Black, Pure White Black, White White, Black
Form Factor Candybar Candybar Candybar
Dimension 122 x 64.4 x 11.95 mm
(4.8 x 2.54 x 0.47 in)
150.5 x 76.2 x 10.2 mm
(5.93 x 3 x 0.4 in)
121.5 x 63.1 x 10.57 mm
(4.78 x 2.48 x 0.42 in)
Weight 120 g (4.23 oz) 195 g (6.88 oz) 118 g (4.16 oz)
2G Network GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 GSM 900 / 1800 - SIM 1 & SIM 2 GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
3G Network HSDPA 850 / 1900 / 2100 HSDPA 2100 HSDPA 900 / 2100
Messaging SMS, MMS, EMail, IM SMS, MMS, EMail, IM SMS, MMS, Push Mail, EMail

hardware Hardware and OS

OS Android OS, v4.2.2 (Jelly Bean) with FOTA upgrade Android OS, v4.2.2 (Jelly Bean) Android OS, v4.2 (Jelly Bean)
Processor Dual-core 1.3 GHz, MTK 6572 Dual-core 1.3 GHz, MTK 6572 Dual-core 1.2 GHz Cortex-A9, Broadcom BCM21664
GPU Mali-400 Mali-400 Broadcom VideoCore IV
RAM 512 MB 1 GB 768 MB
Internal Memory 4 GB (1.9 GB user memory) 4 GB (1.27 GB for apps, 672 MB for mass storage) 4 GB (1.9 GB user available)
External Memory microSD, up to 32 GB microSD, up to 32 GB microSD, up to 32 GB

display Display

Type TFT capacitive touchscreen TFT Capacitive Touchscreen TFT Capacitive Touchscreen, PLS
Colors 16M colors 16.7M colors 16M colors
Size 4.0 inches 5.0 inches 4.0 inches
Resolution 480 x 800 pixels (233 ppi) 480 x 854 pixels (196 ppi) 480 x 800 pixels (233 ppi)
Screen-to-Body Ratio 58.08% 60.03% 59.52%
Multi-Touch yes yes yes

multimedia Multimedia

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

camera Camera

Rear Camera 3.2 MP, 2048x1536 pixels 5 MP, 2592х1944 pixels 5 MP, 2592х1944 pixels
Flash No LED flash LED flash
Features Fixed Focus, Geo-tagging Auto focus, Geo-tagging, Touch Focus Auto focus, Geo-tagging
Video Yes, VGA@30fps Yes, 720p@30fps Yes, 720p@30fps
Front Camera Yes, VGA [Similar] Yes, VGA [Similar] Yes, VGA [Similar]

connectivity Connectivity and Data Rate

GPRS Yes Yes Yes
Edge Yes Yes Yes
3G HSDPA, 21 Mbps; HSUPA, 5.76 Mbps HSDPA, 21 Mbps; HSUPA, 5.76 Mbps HSDPA, 21 Mbps; HSUPA, 5.76 Mbps
Bluetooth Yes, v4.0 with A2DP Yes, v4.0 A2DP, EDR Yes, v4.0 with A2DP
Wi-Fi Wi-Fi 802.11 b/g/n, Wi-Fi Direct, Wi-Fi hotspot Wi-Fi 802.11 b/g/n, Wi-Fi hotspot Wi-Fi 802.11 b/g/n, Wi-Fi hotspot, Wi-Fi Direct
USB Yes, microUSB v2.0 Yes, microUSB v2.0 Yes, microUSB v2.0
GPS Yes, with A-GPS support Yes, with A-GPS support Yes, with A-GPS support and GLONASS
Browser HTML5 HTML5 HTML5

memory User Memory

Internal 4 GB (1.9 GB user memory), 512 MB RAM 4 GB (1.27 GB for apps, 672 MB for mass storage), 1 GB RAM 4 GB (1.9 GB user available), 768 MB RAM
Expandable Storage microSD, up to 32 GB microSD, up to 32 GB microSD, up to 32 GB

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 Standard battery, Li-Ion
Capacity 1300 mAh 3000 mAh 1500 mAh
Stand by Up to 510 h (2G)
Up to 400 h (3G)
Up to 282 h Up to 280 h (3G)
Talk Time Up to 3 h 30 min (2G)
Up to 9 h 30 min (3G)
Up to 10 h Up to 8 h (3G)