Phone Comparison - Samsung Galaxy S Duos S7562 vs Karbonn K440 vs Samsung Galaxy S Duos 2 S7582

general General Info

Manufacturer Samsung Karbonn Samsung
Announced July 2012 2012 November 2013
Status Available - September 2012 Available Available - November 2013
Colors White Black/White, Black/Red White, Black
Form Factor Candybar Candybar Candybar
Dimension 121.5 x 63.1 x 10.5 mm
(4.78 x 2.48 x 0.41 in)
119.5 x 54 x 13.5 mm
(4.7 x 2.13 x 0.53 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) - 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 900 / 2100 N/A HSDPA 900 / 2100
Messaging SMS, MMS, Push Mail, EMail SMS, MMS SMS, MMS, Push Mail, EMail

hardware Hardware and OS

OS Android OS, v4.0 (Ice Cream Sandwich) - Android OS, v4.2 (Jelly Bean)
Processor 1 GHz Cortex-A5, Qualcomm MSM7227A Snapdragon - Dual-core 1.2 GHz Cortex-A9, Broadcom BCM21664
GPU Adreno 200 - Broadcom VideoCore IV
RAM 768 MB N/A 768 MB
Internal Memory 4 GB storage - 4 GB (1.9 GB user available)
External Memory microSD, up to 32 GB microSD, up to 16 GB microSD, up to 32 GB

display Display

Type TFT capacitive touchscreen TFT TFT Capacitive Touchscreen, PLS
Colors 16M colors 256K colors 16M colors
Size 4.0 inches 2.6 inches 4.0 inches
Resolution 480 x 800 pixels (233 ppi) 240 x 320 pixels (154 ppi) 480 x 800 pixels (233 ppi)
Screen-to-Body Ratio 59.52% 32.38% 59.52%
Multi-Touch yes no yes

multimedia Multimedia

3.5mm Jack yes no yes
Radio Stereo FM radio with RDS FM radio; FM recording Stereo FM radio with RDS
Games Yes + Downloadable Yes + Downloadable Yes + Downloadable
Loud Speaker yes yes yes

camera Camera

Rear Camera 5 MP, 2592х1944 pixels 1.3 MP, 1280 x 1024 pixels 5 MP, 2592х1944 pixels
Flash LED flash No LED flash
Features Auto focus, Geo-tagging - Auto focus, Geo-tagging
Video Yes, FWVGA@30fps Yes Yes, 720p@30fps
Front Camera Yes, VGA [Similar] No [Similar] Yes, VGA [Similar]

connectivity Connectivity and Data Rate

GPRS Yes Yes Yes
Edge Yes No Yes
3G HSDPA, 7.2 Mbps; HSUPA, 5.76 Mbps N/A HSDPA, 21 Mbps; HSUPA, 5.76 Mbps
Bluetooth Yes, v3.0 with A2DP Yes Yes, v4.0 with A2DP
Wi-Fi Wi-Fi 802.11 b/g/n, Wi-Fi hotspot No Wi-Fi 802.11 b/g/n, Wi-Fi hotspot, Wi-Fi Direct
USB Yes, microUSB v2.0 Yes Yes, microUSB v2.0
GPS Yes, with A-GPS support No Yes, with A-GPS support and GLONASS
Browser HTML, Adobe Flash Lite Yes HTML5

memory User Memory

Phonebook Practically unlimited entries and fields, Photocall 1000 entries Practically unlimited entries and fields, Photocall
Call Records Practically unlimited Yes Practically unlimited
Internal 4 GB storage, 768 MB RAM - 4 GB (1.9 GB user available), 768 MB RAM
Expandable Storage microSD, up to 32 GB microSD, up to 16 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 not present proximity sensor present
Accelerometer Sensor accelerometer sensor present accelerometer sensor not present accelerometer sensor present
NFC NFC not supported NFC not supported NFC not supported

battery Battery

Type Standard battery, Li-Ion Li-Ion Battery Standard battery, Li-Ion
Capacity 1500 mAh 2100 mAh 1500 mAh
Stand by Up to 445 h (2G)
Up to 330 h (3G)
Up to 800 h Up to 280 h (3G)
Talk Time Up to 13 h (2G)
Up to 7 h 25 min (3G)
Up to 12 h Up to 8 h (3G)