Phone Comparison - Samsung Galaxy Ace 3 S7270 vs Asus Zenfone 4 vs Xiaomi Redmi 2

general General Info

Manufacturer Samsung Asus Xiaomi
Announced June 2013 January 2014 January 2015
Status Available - Q3 2013 Available - June 2014 Available - January 2015
Price - - Rs. 5,999 ($88.22) [Similarly Priced]
Colors Black, White Black, White, Red, Blue, Yellow Black, White, Yellow, Pink, Green
Form Factor Candybar Candybar Candybar
Dimension 121.2 x 62.7 x 9.8 mm
(4.77 x 2.47 x 0.39 in)
124.4 x 61.4 x 6.3-11.2
(4.9 x 2.42 x 0.25-0.44)
134 x 67.2 x 9.4 mm
(5.28 x 2.65 x 0.37 in)
Weight 115 g (4.06 oz) 115 g (4.06 oz) 133 g (4.69 oz)
2G Network GSM 850 / 900 / 1800 / 1900 GSM 850 / 900 / 1800 / 1900 GSM 900 / 1800 / 1900 - SIM 1 & SIM 2
3G Network HSDPA 900 / 2100 HSDPA 850 / 900 / 1900 / 2100 HSDPA 850 / 1900 / 2100
TD-SCDMA 1900 / 2100
4G Network - - LTE 1800 / 2600 TD-LTE 1900 / 2300 / 2500 / 2600 (Bands 3, 7, 38, 39, 40, 41)
Messaging SMS, MMS, Push Mail, EMail, IM SMS, MMS, Push Mail, EMail, IM SMS, MMS, EMail, IM

hardware Hardware and OS

OS Android OS, v4.2 (Jelly Bean) Android OS, v4.3 (Jelly Bean), upgradable to v4.4.2 (KitKat) Android OS, v4.4 (KitKat)
Processor Dual-core 1 GHz Dual-core 1.2 GHz, Intel Atom Z2520 Quad-core 1.2 GHz Cortex-A53, Qualcomm MSM8916 Snapdragon 410
GPU - PowerVR SGX544MP2 Adreno 306
RAM 1 GB 1 GB 1 GB
Internal Memory 4 GB (1.77 GB user available) 8 GB 8 GB
External Memory microSD, up to 64 GB microSD, up to 64 GB microSD, up to 32 GB

display Display

Type TFT capacitive touchscreen LCD Capacitive Touchscreen, Corning Gorilla Glass 3 IPS LCD Capacitive Touchscreen
Colors 16M colors 16M colors 16M colors
Size 4.0 inches 4.0 inches 4.7 inches
Resolution 480 x 800 pixels (233 ppi) 480 x 800 pixels (233 ppi) 720 x 1280 pixels (312 ppi)
Screen-to-Body Ratio 60.05% 59.74% 67.83%
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 + Downloadable Yes + Downloadable Yes + Downloadable
Loud Speaker yes yes yes

camera Camera

Rear Camera 5 MP, 2592x1944 pixels 5 MP, 2592 x 1944 pixels 8 MP, 3264 x 2448 pixels
Flash LED flash No LED flash
Features Auto focus, Sound & Shot, Best Shot, Best Photo, Geo-tagging, Face And Smile Detection Auto focus, Geo-tagging, Panorama Auto focus, Geo-tagging, Touch Focus, Face Detection, HDR, Sony Sensor, Panorama, Real-time HDR
Video Yes, 720p@30fps Yes, 1080p@30fps Yes, 1080p
Front Camera Yes, VGA [Similar] Yes, VGA [Similar] 2 MP, 720p [Similar]

connectivity Connectivity and Data Rate

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

memory User Memory

Internal 4 GB (1.77 GB user available), 1 GB RAM 8 GB, 1 GB RAM 8 GB, 1 GB RAM / 16 GB, 2 GB RAM
Expandable Storage microSD, up to 64 GB microSD, up to 64 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 Li-Po Battery
Capacity 1500 mAh 1200/1600 mAh 2200 mAh
Stand by - Up to 192 h -
Talk Time - Up to 10 h -