Phone Comparison - Samsung Galaxy Core 2 Duos vs Acer Liquid Z520 vs Xiaomi Mi 4i

general General Info

Manufacturer Samsung Acer Xiaomi
Announced June 2014 March 2015 April 2015
Status Available - July 2014 Available - April 2015 Available - April 2015
Price - Rs. 14,999 ($220.57) [Similarly Priced] Rs. 8,999 ($132.34) [Similarly Priced]
Colors White, Black Black, White Black, White, Blue, Yellow, Pink
Form Factor Candybar Candybar Candybar
Dimension 130.3 x 68 x 9.8 mm
(5.13 x 2.68 x 0.39 in)
- 138.1 x 69.6 x 7.8 mm
(5.44 x 2.74 x 0.31 in)
Weight 138 g (4.87 oz) - 130 g (4.59 oz)
2G Network GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 GSM 850 / 900 / 1800 / 1900 GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
3G Network HSDPA 900 / 2100 HSDPA 900 / 2100 HSDPA 850 / 900 / 1900 / 2100
4G Network - - LTE
Messaging SMS, MMS, EMail, IM SMS, MMS, Push Mail, EMail SMS, MMS, EMail, IM

hardware Hardware and OS

OS Android OS, v4.4.2 (KitKat) Android OS, v5.0.x (Lollipop) Android OS, v5.0 (Lollipop)
Processor Quad-core 1.2 GHz Quad-core, Qualcomm Snapdragon 400 Quad-core 1.7 GHz Cortex-A53 & quad-core 1.0 GHz Cortex-A53, Qualcomm MSM8939 Snapdragon 615
GPU - - Adreno 405
RAM 768 MB 1 GB 2 GB
Internal Memory 4 GB 8 GB 16/32 GB
External Memory microSD, up to 64 GB microSD, up to 32 GB No

display Display

Type TFT capacitive touchscreen Capacitive touchscreen IPS LCD capacitive touchscreen
Colors 16M colors - 16M colors
Size 4.5 inches 5.0 inches 5.0 inches
Resolution 480 x 800 pixels (207 ppi) 480 x 800 pixels (187 ppi) 1080 x 1920 pixels (441 ppi)
Screen-to-Body Ratio 65.25% - 71.57%
Multi-Touch yes yes yes

multimedia Multimedia

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

camera Camera

Rear Camera 5 MP, 2592 х 1944 pixels 8 MP, 3264 x 2448 pixels 13 MP, 4128 x 3096 pixels
Flash LED flash LED flash LED flash
Features Auto focus, Geo-tagging, Touch Focus, Face And Smile Detection Auto focus, Yes Auto focus, Geo-tagging, Touch Focus, Face/smile Detection, Panorama, HDR
Video Yes Yes 1080p@30fps
Front Camera Yes, VGA [Similar] 2 MP [Similar] 5 MP [Similar]

connectivity Connectivity and Data Rate

GPRS Yes Yes Yes
Edge Yes Yes Yes
3G HSDPA, 21 Mbps; HSUPA, 5.76 Mbps HSPA HSPA, LTE
Bluetooth Yes, v4.0 with A2DP v4.0, A2DP v4.0, A2DP
Wi-Fi Wi-Fi 802.11 b/g/n, Wi-Fi hotspot Wi-Fi 802.11 b/g/n, hotspot Wi-Fi 802.11 a/b/g/n, dual-band, hotspot
USB Yes, microUSB v2.0 microUSB v2.0 microUSB v2.0
GPS Yes, with A-GPS support and GLONASS Yes, with A-GPS Yes, with A-GPS, GLONASS
Browser HTML HTML HTML5

memory User Memory

Internal 4 GB, 768 MB RAM 8 GB, 1 GB RAM 16/32 GB, 2 GB RAM
Expandable Storage microSD, up to 64 GB microSD, up to 32 GB No

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
Capacity 2000 mAh 2000 mAh 3120 mAh
Stand by - - -
Talk Time - - -