Phone Comparison - Asus Zenfone 4 vs Samsung Galaxy Core 2 Duos vs OPPO Joy

general General Info

Manufacturer Asus Samsung Oppo
Announced January 2014 June 2014 April 2014
Status Available - June 2014 Available - July 2014 Available - April 2014
Colors Black, White, Red, Blue, Yellow White, Black White, Black
Form Factor Candybar Candybar Candybar
Dimension 124.4 x 61.4 x 6.3-11.2
(4.9 x 2.42 x 0.25-0.44)
130.3 x 68 x 9.8 mm
(5.13 x 2.68 x 0.39 in)
124 x 63 x 9.9 mm
(4.88 x 2.48 x 0.39 in)
Weight 115 g (4.06 oz) 138 g (4.87 oz) 125 g (4.41 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 850 / 900 / 1900 / 2100 HSDPA 900 / 2100 HSDPA 2100
Messaging SMS, MMS, Push Mail, EMail, IM SMS, MMS, EMail, IM SMS, MMS, EMail, IM

hardware Hardware and OS

OS Android OS, v4.3 (Jelly Bean), upgradable to v4.4.2 (KitKat) Android OS, v4.4.2 (KitKat) Android OS, v4.2.2 (Jelly Bean)
Processor Dual-core 1.2 GHz, Intel Atom Z2520 Quad-core 1.2 GHz Dual-core 1.3 GHz
GPU PowerVR SGX544MP2 - -
RAM 1 GB 768 MB 512 MB
Internal Memory 8 GB 4 GB 4 GB ROM
External Memory microSD, up to 64 GB microSD, up to 64 GB microSD, up to 32 GB

display Display

Type LCD Capacitive Touchscreen, Corning Gorilla Glass 3 TFT capacitive touchscreen TFT Capacitive Touchscreen
Colors 16M colors 16M colors 16M colors
Size 4.0 inches 4.5 inches 4.0 inches
Resolution 480 x 800 pixels (233 ppi) 480 x 800 pixels (207 ppi) 480 x 800 pixels (233 ppi)
Screen-to-Body Ratio 59.74% 65.25% 58.42%
Multi-Touch yes yes yes

multimedia Multimedia

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

camera Camera

Rear Camera 5 MP, 2592 x 1944 pixels 5 MP, 2592 х 1944 pixels 3 MP, 2048 x 1536 pixels
Flash No LED flash LED flash
Features Auto focus, Geo-tagging, Panorama Auto focus, Geo-tagging, Touch Focus, Face And Smile Detection Geo-tagging, Face Detection, Panorama
Video Yes, 1080p@30fps Yes Yes, 720p
Front Camera Yes, VGA [Similar] Yes, VGA [Similar] Yes, VGA [Similar]

connectivity Connectivity and Data Rate

GPRS Yes Yes Yes
Edge Yes Yes Yes
3G HSDPA, 42.2 Mbps; HSUPA, 5.76 Mbps HSDPA, 21 Mbps; HSUPA, 5.76 Mbps HSDPA, 21 Mbps; HSUPA, 5.76 Mbps
Bluetooth Yes, v4.0 with A2DP, EDR Yes, v4.0 with A2DP Yes, v2.0 A2DP, EDR
Wi-Fi Wi-Fi 802.11 b/g/n, 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
USB Yes, microUSB v2.0 Yes, microUSB v2.0 Yes, microUSB v2.0
GPS Yes, with A-GPS support Yes, with A-GPS support and GLONASS Yes, with A-GPS support
Browser HTML HTML HTML

memory User Memory

Internal 8 GB, 1 GB RAM 4 GB, 768 MB RAM 4 GB ROM, 512 MB 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-Po Battery Li-Ion Battery Li-Ion Battery
Capacity 1200/1600 mAh 2000 mAh 1700 mAh
Stand by Up to 192 h - -
Talk Time Up to 10 h - -