Phone Comparison - Samsung I9100 Galaxy S II vs Samsung Galaxy Ace Plus S7500 vs Samsung Galaxy A3

general General Info

Manufacturer Samsung Samsung Samsung
Announced February 2011 January 2012 October 2014
Status Available - April 2011 Available - February 2012 Available - November 2014
Price - - Rs. 14,265 ($209.78) [Similarly Priced]
Colors Black, White, Pink Black Pearl White, Midnight Black, Platinum Silver, Soft Pink, Light B
Form Factor Candybar Candybar Candybar
Dimension 125.3 x 66.1 x 8.5 mm
(4.93 x 2.6 x 0.33 in)
114.5 x 62.5 x 11.2 mm
(4.51 x 2.46 x 0.44 in)
130.1 x 65.5 x 6.9 mm
( 5.12 x 2.58 x 0.27 in)
Weight 116 g (4.09 oz) 115 g (4.06 oz) 110.3 g (3.88.0.11 oz)
2G Network GSM 850 / 900 / 1800 / 1900 GSM 850 / 900 / 1800 / 1900 GSM 850 / 900 / 1800 / 1900
3G Network HSDPA 850 / 900 / 1900 / 2100 HSDPA 900 / 2100 HSDPA 850 / 1900 / 2100
4G Network - - LTE
Messaging SMS, MMS, IM SMS, MMS, Push Mail, EMail, IM SMS, MMS, Push Mail, EMail, IM

hardware Hardware and OS

OS Android OS, v2.3 (Gingerbread), planned upgrade to v4.0 Android OS, v2.3 (Gingerbread) Android OS, v4.4.2 (KitKat)
Processor Dual-core 1.2GHz ARM Cortex-A9 processor, Exynos chipset 1 GHz, Qualcomm Snapdragon S1 Quad-core 1.2 GHz
GPU Mali-400MP Adreno 200 -
RAM 1 GB 512 MB 1 GB
Internal Memory 16 GB/32 GB storage 3 GB storage 16 GB
External Memory microSD, up to 32GB, 8 GB included microSD, up to 32GB microSD, up to 64 GB

display Display

Type Super AMOLED Plus capacitive touchscreen TFT capacitive touchscreen Super AMOLED Capacitive Touchscreen
Colors 16M colors 16M colors 16M colors
Size 4.3 inches 3.65 inches 4.5 inches
Resolution 480 x 800 pixels (217 ppi) 320 x 480 pixels (158 ppi) 540 x 960 pixels (245 ppi)
Screen-to-Body Ratio 63.52% 55.47% 65.39%
Multi-Touch yes yes yes

multimedia Multimedia

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

camera Camera

Rear Camera 8 MP, 3264x2448 pixels 5 MP, 2592x1944 pixels 8 MP, 3264x2448 pixels
Flash LED flash LED flash LED flash
Features Auto focus, Geo-tagging, Touch Focus, Face And Smile Detection, Image Stabilization Auto focus, Geo-tagging, Face And Smile Detection Auto focus, Geo-tagging, Face Detection, Panorama, HDR, Wide Selfie, Rear-cam Selfie
Video Yes, 1080p@30fps Yes 1080p@30fps
Front Camera Yes, 2 MP [Similar] No [Similar] 5 MP [Similar]

connectivity Connectivity and Data Rate

GPRS Class 12 (4+1/3+2/2+3/1+4 slots), 32 - 48 kbps Yes Yes
Edge Class 12 Yes Yes
3G HSDPA, 21 Mbps; HSUPA, 5.76 Mbps HSDPA, 7.2 Mbps HSDPA, 42 Mbps; HSUPA, 5.8 Mbps; LTE, Cat4, 50 Mbps UL, 150 Mbps DL
Bluetooth Yes, v3.0+HS Yes, v3.0 with A2DP v4.0, BLE, ANT+
Wi-Fi Wi-Fi 802.11 a/b/g/n, DLNA, Wi-Fi Direct, Wi-Fi hotspot Wi-Fi 802.11 b/g/n, DLNA, Wi-Fi hotspot Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi hotspot
USB Yes, v2.0 microUSB (MHL), USB On-the-go Yes, v2.0 microUSB microUSB v2.0
GPS Yes, with A-GPS support Yes, with A-GPS support Yes, with A-GPS, GLONASS
Browser HTML HTML, Adobe Flash HTML5

memory User Memory

Internal 16GB/32GB storage, 1 GB RAM 3 GB storage, 512 MB RAM 16 GB, 1 GB RAM
Expandable Storage microSD, up to 32GB, 8 GB included microSD, up to 32GB microSD, up to 64 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 supported NFC not supported NFC supported

battery Battery

Type Standard battery, Li-Ion Standard battery, Li-Ion Non-removable Li-Po Battery
Capacity 1650 mAh 1300 mAh 1900 mAh
Stand by Up to 710 h (2G)
Up to 610 h (3G)
Up to 670 h (2G)
Up to 420 h (3G)
-
Talk Time Up to 18 h 20 min (2G)
Up to 8 h 40 min (3G)
Up to 11 h (2G)
Up to 7 h 20 min (3G)
-