Phone Comparison - Samsung Galaxy Ace 2 vs Samsung Galaxy Star Duos S5282 vs Samsung Galaxy S Duos 2 S7582

general General Info

Manufacturer Samsung Samsung Samsung
Announced February 2012 April 2013 November 2013
Status Available - May 2012 Available - May 2013 Available - November 2013
Colors Black Black, White, Blue White, 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)
105 x 58 x 11.9 mm
(4.13 x 2.28 x 0.47 in)
121.5 x 63.1 x 10.57 mm
(4.78 x 2.48 x 0.42 in)
Weight 122 g (4.3 oz) 100.5 g (3.53.0.18 oz) 118 g (4.16 oz)
2G Network GSM 850 / 900 / 1800 / 1900 GSM 850 / 900 / 1800 / 1900 - 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, EMail, IM SMS, MMS, Push Mail, EMail, IM SMS, MMS, Push Mail, EMail

hardware Hardware and OS

OS Android OS, v2.3 Android OS, v4.1.2 (Jelly Bean) Android OS, v4.2 (Jelly Bean)
Processor Dual-core 800 MHz, NovaThor U8500 1 GHz, Spreadtrum SP8810 Dual-core 1.2 GHz Cortex-A9, Broadcom BCM21664
GPU Mali-400MP Mali-300 Broadcom VideoCore IV
RAM 768 MB 512 MB 768 MB
Internal Memory 4 GB storage 4 GB 4 GB (1.9 GB user available)
External Memory microSD, up to 32GB microSD, up to 32 GB microSD, up to 32 GB

display Display

Type PLS TFT capacitive touchscreen TFT capacitive touchscreen TFT Capacitive Touchscreen, PLS
Colors 16M colors 65K colors 16M colors
Size 3.8 inches 3.0 inches 4.0 inches
Resolution 480 x 800 pixels (246 ppi) 240 x 320 pixels (133 ppi) 480 x 800 pixels (233 ppi)
Screen-to-Body Ratio 55.64% 45.99% 59.52%
Multi-Touch yes yes yes

multimedia Multimedia

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

camera Camera

Rear Camera 5 MP, 2592x1944 pixels 2 MP, 1600x1200 pixels 5 MP, 2592х1944 pixels
Flash LED flash No LED flash
Features Auto focus, Geo-tagging, Face And Smile Detection Fixed Focus, Smile Shot, Auto focus, Geo-tagging
Video Yes, 720p@30fps Yes, QVGA@15fps Yes, 720p@30fps
Front Camera Yes, VGA [Similar] No [Similar] Yes, VGA [Similar]

connectivity Connectivity and Data Rate

GPRS Yes Yes Yes
Edge Yes Yes Yes
3G HSDPA, 14.4 Mbps No HSDPA, 21 Mbps; HSUPA, 5.76 Mbps
Bluetooth Yes, v3.0 with A2DP Yes, v4.0 Yes, v4.0 with A2DP
Wi-Fi Wi-Fi 802.11 b/g/n, DLNA, 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, v2.0 microUSB Yes, microUSB v2.0 Yes, microUSB v2.0
GPS Yes, with A-GPS support and GLONASS No Yes, with A-GPS support and GLONASS
Browser HTML HTML HTML5

memory User Memory

Internal 4 GB storage, 768 MB RAM 4 GB, 512 MB RAM 4 GB (1.9 GB user available), 768 MB RAM
Expandable Storage microSD, up to 32GB 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 not 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 Standard battery, Li-Ion
Capacity 1500 mAh 1200 mAh 1500 mAh
Stand by Up to 670 h (2G)
Up to 640 h (3G)
Up to 320 h Up to 280 h (3G)
Talk Time Up to 16 h 20 min (2G)
Up to 7 h 30 min (3G)
Up to 14 h Up to 8 h (3G)