Phone Comparison - Oppo R1 R829T vs OPPO Joy vs OPPO Neo R831K

general General Info

Manufacturer Oppo Oppo Oppo
Announced December 2013 April 2014 August 2014
Status Available - December 2013 Available - April 2014 Available - August 2014
Colors White, Black White, Black White, Black
Form Factor Candybar Candybar Candybar
Dimension 142.7 x 70.4 x 7.1 mm
(5.62 x 2.77 x 0.28 in)
124 x 63 x 9.9 mm
(4.88 x 2.48 x 0.39 in)
132 x 65.8 x 9.2 mm
(5.2 x 2.59 x 0.36 in)
Weight 140 g (4.94 oz) 125 g (4.41 oz) 130 g (4.59 oz)
2G Network GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
3G Network TD-SCDMA 1880-1920/ 2010-2025 HSDPA 2100 HSDPA 2100
Messaging SMS, MMS, Push Mail, EMail SMS, MMS, EMail, IM SMS, MMS, Push Mail, EMail

hardware Hardware and OS

OS Android OS, v4.2.1 (Jelly Bean) Android OS, v4.2.2 (Jelly Bean) Android OS, v4.2.2 (Jelly Bean) based Color OS
Processor Quad-core 1.3 GHz, MediaTek MT6582 Dual-core 1.3 GHz Dual-core 1.3 GHz
GPU Mali-400MP2 - -
RAM 1 GB 512 MB 1 GB
Internal Memory 16 GB 4 GB ROM 4 GB
External Memory No microSD, up to 32 GB microSD, up to 32 GB

display Display

Type IPS LCD capacitive touchscreen TFT Capacitive Touchscreen IPS LCD capacitive touchscreen
Colors 16M colors 16M colors 16M colors
Size 5.0 inches 4.0 inches 4.5 inches
Resolution 720 x 1280 pixels (294 ppi) 480 x 800 pixels (233 ppi) 480 x 854 pixels (218 ppi)
Screen-to-Body Ratio 68.47% 58.42% 64.07%
Multi-Touch yes yes yes

multimedia Multimedia

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

camera Camera

Rear Camera 8 MP, 3264x2448 pixels 3 MP, 2048 x 1536 pixels 5 MP, 2592 x 1944 pixels
Flash LED flash LED flash LED Flash
Features Auto focus, Geo-tagging, Touch Focus, Face Detection, Panorama, HDR Geo-tagging, Face Detection, Panorama Auto focus, Geo-tagging, Touch Focus, Face Detection, HDR
Video Yes, 1080p Yes, 720p Yes
Front Camera Yes, 5 MP [Similar] Yes, VGA [Similar] Yes, 2 MP [Similar]

connectivity Connectivity and Data Rate

GPRS Yes Yes Yes
Edge Yes Yes Yes
3G HSPA+ HSDPA, 21 Mbps; HSUPA, 5.76 Mbps HSPA+
Bluetooth Yes, v4.0 with A2DP Yes, v2.0 A2DP, EDR v2.1, A2DP
Wi-Fi Wi-Fi 802.11 b/g/n, Wi-Fi Direct, DLNA, Wi-Fi hotspot Wi-Fi 802.11 b/g/n, 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 Yes, with A-GPS
Browser HTML5 HTML HTML

memory User Memory

Internal 16 GB, 1 GB RAM 4 GB ROM, 512 MB RAM 4 GB, 1 GB RAM
Expandable Storage No 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 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 2410 mAh 1700 mAh 1900 mAh
Stand by - - -
Talk Time - - -