Phone Comparison - Samsung Galaxy Trend Duos S7392 vs Samsung Galaxy Ace 4 vs OPPO Neo R831K

general General Info

Manufacturer Samsung Samsung Oppo
Announced September 2013 June 2014 August 2014
Status Available - September 2013 Available - July 2014 Available - August 2014
Colors White, Gray Iris Charcoal, Classic White White, Black
Form Factor Candybar Candybar Candybar
Dimension 121.5 x 63.1 x 10.85 mm
(4.78 x 2.48 x 0.43 in)
121.4 x 62.9 x 10.8 mm
(4.78 x 2.48 x 0.43 in)
132 x 65.8 x 9.2 mm
(5.2 x 2.59 x 0.36 in)
Weight 126 g (4.44 oz) 123.8 g (4.34.0.28 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 - SIM 1 HSDPA 900 / 2100 HSDPA 2100
Messaging SMS, MMS, EMail, IM SMS, MMS, Push Mail, EMail, IM SMS, MMS, Push Mail, EMail

hardware Hardware and OS

OS Android OS, v4.1.2 (Jelly Bean) Android OS, v4.4.2 (KitKat) Android OS, v4.2.2 (Jelly Bean) based Color OS
Processor 1 GHz Cortex-A9 Dual-core 1.0 GHz Dual-core 1.3 GHz
GPU - - -
RAM 512 MB 512 MB 1 GB
Internal Memory 4 GB (User Memory: 2.05 GB) 4 GB 4 GB
External Memory microSD, up to 32 GB microSD, up to 64 GB microSD, up to 32 GB

display Display

Type TFT capacitive touchscreen TFT capacitive touchscreen IPS LCD capacitive touchscreen
Colors 16M colors 16M colors 16M colors
Size 4.0 inches 4.0 inches 4.5 inches
Resolution 480 x 800 pixels (233 ppi) 480 x 800 pixels (233 ppi) 480 x 854 pixels (218 ppi)
Screen-to-Body Ratio 59.52% 59.76% 64.07%
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 3.15 MP, 2048x1536 pixels 5 MP, 2592 х 1944 pixels 5 MP, 2592 x 1944 pixels
Flash No LED flash LED Flash
Features CMOS Sensor, Single Shot, Panorama, Smile Shot, Share Shot, Photo Effects, White Balance, Timer, SF, 360 Deg Rotation Auto focus, Geo-tagging, Face And Smile Detection, Panorama Auto focus, Geo-tagging, Touch Focus, Face Detection, HDR
Video Yes Yes, 720p@30fps Yes
Front Camera No [Similar] Yes, VGA [Similar] Yes, 2 MP [Similar]

connectivity Connectivity and Data Rate

GPRS Yes Yes Yes
Edge Yes Yes Yes
3G HSDPA, 7.2 Mbps; HSUPA, 5.76 Mbps HSDPA, 21 Mbps; HSUPA, 5.76 Mbps HSPA+
Bluetooth Yes, v3.0 Yes, v4.0 with A2DP v2.1, 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, Wi-Fi Direct, Wi-Fi hotspot
USB Yes, microUSB v2.0 Yes, microUSB v2.0 microUSB v2.0
GPS Yes, with A-GPS support Yes, with A-GPS support and GLONASS Yes, with A-GPS
Browser HTML HTML5 HTML

memory User Memory

Internal 4 GB (User Memory: 2.05 GB), 512 MB RAM 4 GB, 512 MB RAM 4 GB, 1 GB RAM
Expandable Storage microSD, up to 32 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 not present proximity sensor not 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-Ion Battery Li-Ion Battery
Capacity 1500 mAh 1500 mAh 1900 mAh
Stand by Up to 350 h (3G) - -
Talk Time Up to 8 h (3G) - -