Phone Comparison - Oppo R819 vs Sony Xperia Z2 vs Xiaomi Redmi 1S
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| Manufacturer | Oppo | Sony | Xiaomi |
| Announced | August 2013 | February 2014 | May 2014 |
| Status | Available - September 2013 | Available - April 2014 | Available - May 2014 |
| Colors | White | Black, White, Purple | Black, Chinese Red, Metallic Gray/ blue, green, yellow panels |
| Form Factor | Candybar | Candybar | Candybar |
| Dimension |
136.5 x 68 x 7.3 mm (5.37 x 2.68 x 0.29 in) |
146.8 x 73.3 x 8.2 mm (5.78 x 2.89 x 0.32 in) |
137 x 69 x 9.9 mm (5.39 x 2.72 x 0.39 in) |
| Weight | 110 g (3.88 oz) | 163 g (5.75 oz) | 158 g (5.57 oz) |
| 2G Network | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 | GSM 850 / 900 / 1800 / 1900 | GSM 900 / 1800 / 1900 |
| 3G Network | HSDPA 850 / 900 / 2100 - SIM 1 & SIM 2 | HSDPA 850 / 900 / 1700 / 1900 / 2100 | HSDPA 1900 / 2100 |
| 4G Network | - | LTE band 1(2100), 2(1900), 3(1800), 4(1700/2100), 5(850), 7(2600), 8(900), 13(700), 17(700), 20(800) LTE band 1(2100), 2(1900), 3(1800), 4(1700/2100), 5(850), 7(2600), 8(900) - D6543 |
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| Messaging | SMS, MMS, Push Mail, EMail | SMS, MMS, Push Mail, EMail, IM | SMS, MMS, EMail, IM |
| Build Features | - | IP58 Certified - Dust Proof and Water Resistant over 1 Meter and 30 Minutes | - |
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| OS | Android OS, v4.2.1 (Jelly Bean) | Android OS, v4.4.2 (KitKat), Planned upgrade to Android 5.1 Lollipop | Android OS, v4.3 (Jelly Bean) |
| Processor | Quad-core 1.2 GHz, MediaTek MT6589 | Quad-core 2.3 GHz Krait 400, Qualcomm MSM8974AB Snapdragon 800 | Quad-core 1.6 GHz Cortex-A7, Qualcomm MSM8228 Snapdragon |
| GPU | PowerVR SGX544 | Adreno 330 | Adreno 305 |
| RAM | 1 GB | 3 GB | 1 GB |
| Internal Memory | 16 GB | 16 GB | 8 GB |
| External Memory | No | microSD, up to 128 GB | microSD, up to 32 GB |
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| Type | IPS LCD capacitive touchscreen | IPS LCD Capacitive Touchscreen, Triluminos Display, X-Reality Engine | IPS LCD Capacitive Touchscreen, Corning Gorilla Glass 2 |
| Colors | 16M colors | 16M colors | 16M colors |
| Size | 4.7 inches | 5.2 inches | 4.7 inches |
| Resolution | 720 x 1280 pixels (312 ppi) | 1080 x 1920 pixels (424 ppi) | 720 x 1280 pixels (312 ppi) |
| Screen-to-Body Ratio | 65.81% | 69.16% | 64.61% |
| Multi-Touch |  |
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| 3.5mm Jack | |
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| Radio | Stereo FM radio with RDS | Stereo FM radio with RDS | FM radio |
| Games | Yes + Downloadable | Yes + Downloadable | Yes + Downloadable |
| Loud Speaker | |
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| Rear Camera | 8 MP, 3264x2448 pixels | 20.7 MP, autofocus | 8 MP, 3264 x 2448 pixels |
| Flash | LED flash | LED flash | LED flash |
| Features | Auto focus, Geo-tagging, Touch Focus, Face Detection, Panorama, HDR | Auto focus, 1/2.3'' Sensor Size, Geo-tagging, Touch Focus, Face Detection, Image Stabilization, HDR, Panorama | Auto focus, 1.4 µm Pixel Size, Geo-tagging, Touch Focus, Face And Smile Detection, HDR |
| Video | Yes, 1080p | Yes, 2160p@30fps, 1080p@30fps, 720p@120fps, video stabilization, HDR | 1080p@30fps |
| Front Camera | Yes, 1.9 MP [Similar] | Yes, 2.2 MP, 1080p@30fps [Similar] | 1.3 MP, 720p@30fps [Similar] |
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| GPRS | Yes | Up to 107 kbps | Yes |
| Edge | Yes | Up to 296 kbps | Yes |
| 3G | HSPA+ | HSDPA, 42 Mbps; HSUPA, 5.8 Mbps; LTE, Cat4, 50 Mbps UL, 150 Mbps DL | HSDPA, HSUPA |
| Bluetooth | Yes, v3.0 | Yes, v4.0 with A2DP | v4.0, A2DP, 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/ac, Wi-Fi Direct, DLNA, 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 (MHL), USB On-the-go | microUSB v2.0, USB On-the-go |
| GPS | Yes, with A-GPS support | Yes, with A-GPS support and GLONASS | Yes, with A-GPS |
| Browser | HTML5 | HTML5 | HTML5 |
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| Internal | 16 GB, 1 GB RAM | 16 GB, 3 GB RAM | 8 GB, 1 GB RAM |
| Expandable Storage | No | microSD, up to 128 GB | microSD, up to 32 GB |
| USB OTG | - | Supported | 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-Po Battery |
| Capacity | 2000 mAh | 3200 mAh | 2000 mAh |
| Stand by | - | Up to 690 h (2G) Up to 740 h (3G) |
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| Talk Time | - | Up to 15 h (2G) Up to 19 h (3G) |
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