Phone Comparison - OPPO Neo R831K vs Samsung Galaxy J1 4G vs Samsung Galaxy J1 Ace

general General Info

Manufacturer Oppo Samsung Samsung
Announced August 2014 January 2015 August 2015
Status Available - August 2014 Available - March 2015 Available - August 2015
Price - Rs. 6,890 ($85.99) [Similarly Priced] Rs. 5,850 ($86.03) [Similarly Priced]
Colors White, Black White, Black, Blue Blue, Black, White
Form Factor Candybar Candybar Candybar
Dimension 132 x 65.8 x 9.2 mm
(5.2 x 2.59 x 0.36 in)
129 x 68.2 x 8.9 mm
(5.08 x 2.69 x 0.35 in)
130.1 x 67.6 x 9.5 mm
(5.12 x 2.66 x 0.37 in)
Weight 130 g (4.59 oz) 122 g (4.3 oz) 131 g (4.62 oz)
SIM Type - - Dual-SIM
2G Network GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (optional) GSM 850 / 900 / 1800 / 1900
GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
3G Network HSDPA 2100 HSDPA 900 / 2100 HSDPA 900 / 2100 (Single or Dual SIM)
HSDPA 850 / 2100 (Dual SIM)
4G Network - LTE 1800 TD-LTE 2300 (Bands 3, 40) -
Messaging SMS, MMS, Push Mail, EMail SMS, MMS, EMail, IM SMS, MMS, EMail, IM

hardware Hardware and OS

OS Android OS, v4.2.2 (Jelly Bean) based Color OS Android OS, v4.4.4 (KitKat) Android OS, v4.4.x (KitKat)
Processor Dual-core 1.3 GHz Quad-core 1.2 GHz Quad-core 1.5 GHz - J111F / Quad-core 1.2 GHz / Dual-core 1.3 GHz - J110L
GPU - - -
RAM 1 GB 768 MB 1 GB
Internal Memory 4 GB 4 GB 8 GB
External Memory microSD, up to 32 GB microSD, up to 128 GB microSD, up to 128 GB

display Display

Type IPS LCD capacitive touchscreen TFT capacitive touchscreen Super AMOLED Capacitive Touchscreen
Colors 16M colors 16M colors 16M colors
Size 4.5 inches 4.3 inches 4.3 inches
Resolution 480 x 854 pixels (218 ppi) 480 x 800 pixels (217 ppi) 480 x 800 pixels (217 ppi)
Screen-to-Body Ratio 64.07% 59.80% 59.82%
Multi-Touch yes yes yes

multimedia Multimedia

3.5mm Jack yes yes yes
Radio FM radio FM radio with RDS; recording -
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 5 MP, 2592 х 1944 pixels
Flash LED Flash LED flash LED Flash
Features Auto focus, Geo-tagging, Touch Focus, Face Detection, HDR Auto focus, Geo-tagging, Touch Focus, Face Detection Auto focus, Geo-tagging, Touch Focus, Face Detection
Video Yes 720p@30fps 720p@30fps
Front Camera Yes, 2 MP [Similar] 2 MP [Similar] 2 MP [Similar]

connectivity Connectivity and Data Rate

GPRS Yes Yes Yes
Edge Yes Yes Yes
3G HSPA+ HSPA 21.1/5.76 Mbps, LTE Cat4 150/50 Mbps HSPA
Bluetooth v2.1, A2DP v4.0, A2DP v4.0, 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 Direct, hotspot Wi-Fi 802.11 b/g/n
USB microUSB v2.0 microUSB v2.0 microUSB v2.0
GPS Yes, with A-GPS Yes, with A-GPS, GLONASS Yes, with A-GPS, GLONASS
Browser HTML HTML HTML

memory User Memory

Internal 4 GB, 1 GB RAM 4 GB, 768 MB RAM 8 GB, 1 GB RAM - J110M, J111F
4 GB, 768 MB RAM - J110F, J1
Expandable Storage microSD, up to 32 GB microSD, up to 128 GB microSD, up to 128 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 supported NFC not supported

battery Battery

Type Li-Ion Battery Li-Ion Battery Li-Ion Battery
Capacity 1900 mAh 1850 mAh 1900 mAh
Stand by - - -
Talk Time - - -