Phone Comparison - Samsung Galaxy Ace 2 vs Xiaomi Redmi 2 vs Asus Zenfone C ZC451CG

general General Info

Manufacturer Samsung Xiaomi Asus
Announced February 2012 January 2015 January 2015
Status Available - May 2012 Available - January 2015 Available - February 2015
Price - Rs. 5,999 ($88.22) [Similarly Priced] Rs. 5,999 ($88.22) [Similarly Priced]
Colors Black Black, White, Yellow, Pink, Green Charcoal Black, Pearl White, Cherry Red
Form Factor Candybar Candybar Candybar
Dimension 118.3 x 62.2 x 10.5 mm
(4.66 x 2.45 x 0.41 in)
134 x 67.2 x 9.4 mm
(5.28 x 2.65 x 0.37 in)
136.5 x 67 x 10.9 mm
(5.37 x 2.64 x 0.43 in)
Weight 122 g (4.3 oz) 133 g (4.69 oz) 149 g (5.26 oz)
2G Network GSM 850 / 900 / 1800 / 1900 GSM 900 / 1800 / 1900 - SIM 1 & SIM 2 GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
3G Network HSDPA 900 / 2100 HSDPA 850 / 1900 / 2100
TD-SCDMA 1900 / 2100
HSDPA 850 / 900 / 1900 / 2100
4G Network - LTE 1800 / 2600 TD-LTE 1900 / 2300 / 2500 / 2600 (Bands 3, 7, 38, 39, 40, 41) -
Messaging SMS, MMS, EMail, IM SMS, MMS, EMail, IM SMS, MMS, Push Mail, EMail, IM

hardware Hardware and OS

OS Android OS, v2.3 Android OS, v4.4 (KitKat) Android OS, v4.4.2 (KitKat)
Processor Dual-core 800 MHz, NovaThor U8500 Quad-core 1.2 GHz Cortex-A53, Qualcomm MSM8916 Snapdragon 410 Dual-core 1.2 GHz, Intel Atom Z2520
GPU Mali-400MP Adreno 306 PowerVR SGX544MP2
RAM 768 MB 1 GB 1 GB
Internal Memory 4 GB storage 8 GB 8 GB
External Memory microSD, up to 32GB microSD, up to 32 GB microSD, up to 64 GB

display Display

Type PLS TFT capacitive touchscreen IPS LCD Capacitive Touchscreen IPS LCD capacitive touchscreen
Colors 16M colors 16M colors 16M colors
Size 3.8 inches 4.7 inches 4.5 inches
Resolution 480 x 800 pixels (246 ppi) 720 x 1280 pixels (312 ppi) 480 x 854 pixels (218 ppi)
Screen-to-Body Ratio 55.64% 67.83% 60.85%
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 Yes + Downloadable Yes + Downloadable
Loud Speaker yes yes yes

camera Camera

Rear Camera 5 MP, 2592x1944 pixels 8 MP, 3264 x 2448 pixels 5 MP, 2592 х 1944 pixels
Flash LED flash LED flash LED flash
Features Auto focus, Geo-tagging, Face And Smile Detection Auto focus, Geo-tagging, Touch Focus, Face Detection, HDR, Sony Sensor, Panorama, Real-time HDR Auto focus, Yes
Video Yes, 720p@30fps Yes, 1080p Yes
Front Camera Yes, VGA [Similar] 2 MP, 720p [Similar] VGA [Similar]

connectivity Connectivity and Data Rate

GPRS Yes Yes Yes
Edge Yes Yes Yes
3G HSDPA, 14.4 Mbps HSPA, LTE Cat4 150/50 Mbps HSPA 42.2/5.76 Mbps
Bluetooth Yes, v3.0 with A2DP v4.0, A2DP v4.0, A2DP, EDR
Wi-Fi Wi-Fi 802.11 b/g/n, DLNA, Wi-Fi Direct, Wi-Fi hotspot Wi-Fi 802.11 b/g/n, hotspot Wi-Fi 802.11 b/g/n, hotspot
USB Yes, v2.0 microUSB microUSB v2.0 microUSB v2.0
GPS Yes, with A-GPS support and GLONASS Yes, with A-GPS, GLONASS, Beidou Yes, with A-GPS, GLONASS
Browser HTML HTML5 HTML

memory User Memory

Internal 4 GB storage, 768 MB RAM 8 GB, 1 GB RAM / 16 GB, 2 GB RAM 8 GB, 1 GB RAM
Expandable Storage microSD, up to 32GB microSD, up to 32 GB microSD, up to 64 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 Standard battery, Li-Ion Li-Po Battery Li-Ion Battery
Capacity 1500 mAh 2200 mAh 2100 mAh
Stand by Up to 670 h (2G)
Up to 640 h (3G)
- -
Talk Time Up to 16 h 20 min (2G)
Up to 7 h 30 min (3G)
- -