Phone Comparison - Samsung Galaxy Mega 5.8 Duos I9152 vs Samsung Galaxy Grand 2 vs Oppo R1 R829T

general General Info

Manufacturer Samsung Samsung Oppo
Announced May 2013 November 2013 December 2013
Status Available - June 2013 Available - Q4 2013 Available - December 2013
Colors White, Black Black, White, Pink White, Black
Form Factor Candybar Candybar Candybar
Dimension 164.9 x 84.1 x 10.1 mm
(6.49 x 3.31 x 0.4 in)
146.8 x 75.3 x 8.9 mm
(5.78 x 2.96 x 0.35 in)
142.7 x 70.4 x 7.1 mm
(5.62 x 2.77 x 0.28 in)
Weight 182 g (6.42 oz) 163 g (5.75 oz) 140 g (4.94 oz)
2G Network GSM 850 / 900 / 1800 / 1900 - GT-I9152 (SIM 1 & SIM 2) GSM 850 / 900 / 1800 / 1900 - SM-G7100
GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 - G7102
GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
3G Network HSDPA 900 / 2100 HSDPA 850 / 900 / 1900 / 2100 TD-SCDMA 1880-1920/ 2010-2025
4G Network - LTE band 1(2100), 3(1800), 5(850), 7(2600), 8(900), 20(800) - SM-G7105 -
Messaging SMS, MMS, EMail, IM SMS, MMS, EMail, IM SMS, MMS, Push Mail, EMail

hardware Hardware and OS

OS Android OS, v4.2 (Jelly Bean) Android OS, v4.3 (Jelly Bean) Android OS, v4.2.1 (Jelly Bean)
Processor Dual-core 1.4 GHz Quad-core 1.2 GHz Cortex-A7 Quad-core 1.3 GHz, MediaTek MT6582
GPU - - Mali-400MP2
RAM 1 GB 1.5 GB 1 GB
Internal Memory 8 GB 8 GB 16 GB
External Memory microSD, up to 64 GB microSD, up to 64 GB No

display Display

Type TFT capacitive touchscreen TFT capacitive touchscreen IPS LCD capacitive touchscreen
Colors - 16M colors 16M colors
Size 5.8 inches 5.25 inches 5.0 inches
Resolution 540 x 960 pixels (190 ppi) 720 x 1280 pixels (280 ppi) 720 x 1280 pixels (294 ppi)
Screen-to-Body Ratio 66.80% 68.61% 68.47%
Multi-Touch yes yes yes

multimedia Multimedia

3.5mm Jack yes yes yes
Radio Yes FM Radio with Recording Stereo FM radio with RDS
Games Yes + Downloadable Yes + Downloadable Yes + Downloadable
Loud Speaker yes yes yes

camera Camera

Rear Camera 8 MP, 3264 x 2448 pixels 8 MP, 3264x2448 pixels 8 MP, 3264x2448 pixels
Flash LED flash LED flash LED flash
Features Auto focus, Geo-tagging, Touch Focus, Face And Smile Detection Auto focus, Geo-tagging, Touch Focus, Face And Smile Detection, Image Stabilization Auto focus, Geo-tagging, Touch Focus, Face Detection, Panorama, HDR
Video Yes Yes, 1080p@30fps, stereo sound rec. Yes, 1080p
Front Camera Yes, 1.9 MP [Similar] Yes, 1.9 MP, 720p [Similar] Yes, 5 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, v4.0 Yes, v4.0 with A2DP, LE, EDR Yes, v4.0 with A2DP
Wi-Fi Wi-Fi 802.11 a/b/g/n, dual-band, Wi-Fi hotspot Wi-Fi 802.11 a/b/g/n, dual-band, Wi-Fi hotspot, DLNA Wi-Fi 802.11 b/g/n, Wi-Fi Direct, DLNA, 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 HTML5 HTML5 HTML5

memory User Memory

Internal 8 GB, 1 GB RAM 8 GB, 1.5 GB RAM 16 GB, 1 GB RAM
Expandable Storage microSD, up to 64 GB microSD, up to 64 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-Ion Battery Li-Ion Battery
Capacity 2600 mAh 2600 mAh 2410 mAh
Stand by - - -
Talk Time - Up to 17 h -