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

general General Info

Manufacturer Asus Oppo Samsung
Announced January 2014 April 2014 June 2014
Status Available - June 2014 Available - April 2014 Coming soon
Colors Black, White, Red, Blue, Yellow White, Black Iris Charcoal, White
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)
124 x 63 x 9.9 mm
(4.88 x 2.48 x 0.39 in)
109.8 x 59.9 x 11.8 mm
(4.32 x 2.36 x 0.46 in)
Weight 115 g (4.06 oz) 125 g (4.41 oz) 107.6 g (3.77.0.21 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 2100 No
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, v4.2.2 (Jelly Bean) Android OS, v4.4.2 (KitKat)
Processor Dual-core 1.2 GHz, Intel Atom Z2520 Dual-core 1.3 GHz 1 GHz, SC6815A
GPU PowerVR SGX544MP2 - -
RAM 1 GB 512 MB 512 MB
Internal Memory 8 GB 4 GB ROM 4 GB
External Memory microSD, up to 64 GB microSD, up to 32 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 -
Size 4.0 inches 4.0 inches 3.5 inches
Resolution 480 x 800 pixels (233 ppi) 480 x 800 pixels (233 ppi) 320 x 480 pixels (165 ppi)
Screen-to-Body Ratio 59.74% 58.42% 55.34%
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 3 MP, 2048 x 1536 pixels 2 MP, 1600 x 1200 pixels
Flash No LED flash No
Features Auto focus, Geo-tagging, Panorama Geo-tagging, Face Detection, Panorama -
Video Yes, 1080p@30fps Yes, 720p Yes, VGA@24fps
Front Camera Yes, VGA [Similar] Yes, VGA [Similar] No [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 No
Bluetooth Yes, v4.0 with A2DP, EDR Yes, v2.0 A2DP, EDR Yes, v4.0 with A2DP
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 No
Browser HTML HTML HTML

memory User Memory

Internal 8 GB, 1 GB RAM 4 GB ROM, 512 MB RAM 4 GB, 512 MB RAM
Expandable Storage microSD, up to 64 GB microSD, up to 32 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 not 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 1700 mAh 1300 mAh
Stand by Up to 192 h - -
Talk Time Up to 10 h - -