Phone Comparison - Oppo R819 vs Lenovo S820 vs Samsung I9506 Galaxy S4
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| Manufacturer | Oppo | Lenovo | Samsung |
| Announced | August 2013 | May 2013 | Q3 2013 |
| Status | Available - September 2013 | Available - May 2013 | Available - Q3 2013 |
| Colors | White | Flamingo red | White Frost, Black Mist / Arctic Blue, Red Aurora |
| Form Factor | Candybar | Candybar | Candybar |
| Dimension |
136.5 x 68 x 7.3 mm (5.37 x 2.68 x 0.29 in) |
139.5 x 69.7 x 9 mm (5.49 x 2.74 x 0.35 in) |
136.6 x 69.8 x 7.9 mm (5.38 x 2.75 x 0.31 in) |
| Weight | 110 g (3.88 oz) | 143 g (5.04 oz) | 130 g (4.59 oz) |
| 2G Network | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 | GSM 900 / 1800 / 1900 | GSM 850 / 900 / 1800 / 1900 CDMA2000 1xEV-DO |
| 3G Network | HSDPA 850 / 900 / 2100 - SIM 1 & SIM 2 | HSDPA 900 / 2100 | HSDPA 850 / 900 / 1900 / 2100 HSDPA |
| 4G Network | - | - | LTE 800 / 850 / 900 / 1800 / 2100 / 2600 |
| Messaging | SMS, MMS, Push Mail, EMail | SMS, MMS, EMail, IM | SMS, MMS, EMail, IM |
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| OS | Android OS, v4.2.1 (Jelly Bean) | Android OS, v4.2 (Jelly Bean) | Android OS, v4.2.2 (Jelly Bean) |
| Processor | Quad-core 1.2 GHz, MediaTek MT6589 | Quad-core 1.2 GHz, MTK 6589W | Quad-core 2.3 GHz Krait 400, Qualcomm MSM8974 Snapdragon 800 |
| GPU | PowerVR SGX544 | PowerVR SGX544 | Adreno 330 |
| RAM | 1 GB | 1 GB | 2 GB |
| Internal Memory | 16 GB | 4 GB | 16/32 GB |
| External Memory | No | microSD, up to 32 GB | microSD, up to 64 GB |
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| Type | IPS LCD capacitive touchscreen | IPS LCD capacitive touchscreen | Super AMOLED capacitive touchscreen |
| Colors | 16M colors | 16M colors | 16M colors |
| Size | 4.7 inches | 4.7 inches | 5.0 inches |
| Resolution | 720 x 1280 pixels (312 ppi) | 720 x 1280 pixels (312 ppi) | 1080 x 1920 pixels (441 ppi) |
| Screen-to-Body Ratio | 65.81% | 62.82% | 72.15% |
| Multi-Touch |  |
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| 3.5mm Jack | |
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| Radio | Stereo FM radio with RDS | FM radio; built-in antenna | No |
| Games | Yes + Downloadable | Yes + Downloadable | Yes + Downloadable |
| Loud Speaker | |
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| Rear Camera | 8 MP, 3264x2448 pixels | 12 MP, 4000 x 3000 pixels | 13 MP, 4128 x 3096 pixels |
| Flash | LED flash | LED flash | LED flash |
| Features | Auto focus, Geo-tagging, Touch Focus, Face Detection, Panorama, HDR | Auto focus, Geo-tagging, Touch Focus, Face Detection | Auto focus, Dual Shot, Simultaneous HD Video And Image Recording, Geo-tagging, Touch Focus, Face And Smile Detection, Image Stabilization, HDR |
| Video | Yes, 1080p | Yes | Yes, 1080p@30fps, dual-video rec. |
| Front Camera | Yes, 1.9 MP [Similar] | Yes, 2 MP [Similar] | Yes, 2 MP,1080p@30fps, dual video call [Similar] |
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| GPRS | Yes | Yes | Yes |
| Edge | Yes | Yes | Yes |
| 3G | HSPA+ | HSDPA, HSUPA | HSDPA, 42.2 Mbps; HSUPA, 5.76 Mbps; LTE, Cat4, 50 Mbps UL, 150 Mbps DL |
| Bluetooth | Yes, v3.0 | Yes, v3.0 with A2DP | Yes, v4.0 with A2DP, EDR, LE |
| Wi-Fi | Wi-Fi 802.11 b/g/n, Wi-Fi Direct, DLNA, Wi-Fi hotspot | Wi-Fi 802.11 a/b/g/n, dual band | Wi-Fi 802.11 a/b/g/n/ac, dual-band, DLNA, Wi-Fi Direct, Wi-Fi hotspot |
| USB | Yes, microUSB v2.0 | Yes, microUSB v2.0 | Yes, microUSB v2.0 (MHL 2), USB On-the-go, USB Host |
| GPS | Yes, with A-GPS support | Yes, with A-GPS support | Yes, with A-GPS support and GLONASS |
| Browser | HTML5 | HTML | HTML5 |
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| Internal | 16 GB, 1 GB RAM | 4 GB, 1 GB RAM | 16/32 GB, 2 GB RAM |
| Expandable Storage | No | microSD, up to 32 GB | microSD, up to 64 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 | Li-Po Battery | Li-Ion Battery |
| Capacity | 2000 mAh | 2000 mAh | 2600 mAh |
| Stand by | - | Up to 140 h (2G) Up to 140 h (3G) |
Up to 370 h (3G) |
| Talk Time | - | Up to 22 h (2G) Up to 10 h (3G) |
Up to 17 h (3G) |
