Phone Comparison - OPPO Neo R831K vs Samsung Galaxy Grand Prime vs Samsung Galaxy On7
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| Manufacturer | Oppo | Samsung | Samsung |
| Announced | August 2014 | September 2014 | October 2015 |
| Status | Available - August 2014 | Available - September 2014 | Available - November 2015 |
| Price | - | Rs. 7,499 ($110.28) [Similarly Priced] | Rs. 8,990 ($132.21) [Similarly Priced] |
| Colors | White, Black | Black, White | White, Black |
| Form Factor | Candybar | Candybar | Candybar |
| Dimension |
132 x 65.8 x 9.2 mm (5.2 x 2.59 x 0.36 in) |
144.8 x 72.1 x 8.6 mm (5.7 x 2.84 x 0.34 in) |
151.8 x 77.5 x 8.2 mm (5.98 x 3.05 x 0.32 in) |
| Weight | 130 g (4.59 oz) | 156 g (5.5 oz) | 172 g (6.07 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 | HSDPA 2100 | HSDPA 850 / 900 / 1900 / 2100 | HSDPA |
| 4G Network | - | LTE band 1(2100), 3(1800), 5(850), 7(2600), 8(900) - G530F LTE band 1(2100), 3(1800), 5(850), 7(2600), 8(900), 20(800) - G530FZ LTE band 1(2100), 3(1800), 5(850), 8(900), 28(700) - G530Y LTE band 1(2100), 3(1800), 5(850), 8(900), 20(800), |
LTE |
| Messaging | SMS, MMS, Push Mail, EMail | SMS, MMS, Push Mail, EMail, IM | SMS, MMS, EMail, IM |
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| OS | Android OS, v4.2.2 (Jelly Bean) based Color OS | Android OS, v4.4.4 (KitKat) | Android OS, v5.1 (Lollipop) |
| Processor | Dual-core 1.3 GHz | Quad-core 1.2 GHz Cortex-A7, Qualcomm MSM8226 Snapdragon 400 | Quad-core 1.2 GHz, Qualcomm MSM8916 Snapdragon 410 |
| GPU | - | Adreno 305 | Adreno 306 |
| RAM | 1 GB | 1 GB | 1.5 GB |
| Internal Memory | 4 GB | 8 GB | 8 GB |
| External Memory | microSD, up to 32 GB | microSD, up to 32 GB | microSD, up to 128 GB |
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| Type | IPS LCD capacitive touchscreen | TFT Capacitive Touchscreen | TFT capacitive touchscreen |
| Colors | 16M colors | 16M colors | 16M colors |
| Size | 4.5 inches | 5.0 inches | 5.5 inches |
| Resolution | 480 x 854 pixels (218 ppi) | 540 x 960 pixels (220 ppi) | 720 x 1280 pixels (267 ppi) |
| Screen-to-Body Ratio | 64.07% | 66.19% | 70.89% |
| Multi-Touch |  |
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| 3.5mm Jack | |
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| Radio | FM radio | FM radio | Yes, FM Radio |
| Games | Yes + Downloadable | Yes + Downloadable | Yes + Downloadable |
| Loud Speaker | |
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| Rear Camera | 5 MP, 2592 x 1944 pixels | 8 MP, 3264x2448 pixels | 13 MP, 4128 x 3096 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, HDR, Panorama | Auto focus, Geo-tagging, Touch Focus, Face Detection |
| Video | Yes | Yes, 1080p@30fps | 1080p@30fps |
| Front Camera | Yes, 2 MP [Similar] | Yes, 5 MP [Similar] | 5 MP [Similar] |
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| GPRS | Yes | Yes | Yes |
| Edge | Yes | Yes | Yes |
| 3G | HSPA+ | HSDPA, 21 Mbps; HSUPAHSPA, LTE Cat4 150/50 Mbps | HSPA, LTE |
| Bluetooth | v2.1, A2DP | Yes, v4.0 with A2DP, LE | v4.1, 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, hotspot |
| USB | microUSB v2.0 | Yes, microUSB v2.0, USB Host | microUSB v2.0 |
| GPS | Yes, with A-GPS | Yes, with A-GPS support and GLONASS | Yes, with A-GPS, GLONASS |
| Browser | HTML | HTML5 | HTML5 |
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| Internal | 4 GB, 1 GB RAM | 8 GB, 1 GB RAM | 8 GB, 1.5 GB RAM |
| Expandable Storage | microSD, up to 32 GB | microSD, up to 32 GB | microSD, up to 128 GB |
| USB OTG | - | Supported | - |
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| Fingerprint | |
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| Proximity Sensor | |
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| Accelerometer Sensor | |
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| NFC | |
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| Type | Li-Ion Battery | Non-removable Li-Ion Battery | Li-Ion Battery |
| Capacity | 1900 mAh | 2600 mAh | 3000 mAh |
| Stand by | - | - | - |
| Talk Time | - | - | Up to 11 h (3G) |
