Phone Comparison - Oppo R819 vs Alcatel One Touch Idol X+ vs Samsung Galaxy S5 LTE-A
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| Manufacturer | Oppo | Alcatel | Samsung |
| Announced | August 2013 | January 2014 | June 2014 |
| Status | Available - September 2013 | Coming Soon - Q2 2014 | Available - August 2014 |
| Colors | White | Black, White | Charcoal Black, Shimmering White, Electric Blue, Copper Gold, Sw |
| Form Factor | Candybar | Candybar | Candybar |
| Dimension |
136.5 x 68 x 7.3 mm (5.37 x 2.68 x 0.29 in) |
140.4 x 69.1 x 7.9 mm (5.53 x 2.72 x 0.31 in) |
142 x 72.5 x 8.1 mm (5.59 x 2.85 x 0.32 in) |
| Weight | 110 g (3.88 oz) | 125 g (4.41 oz) | 145 g (5.11 oz) |
| 2G Network | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 | GSM 850 / 900 / 1800 / 1900 | GSM 850 / 900 / 1800 / 1900 |
| 3G Network | HSDPA 850 / 900 / 2100 - SIM 1 & SIM 2 | HSDPA 900 / 2100 | TD-SCDMA / HSDPA |
| 4G Network | - | - | LTE-A |
| Messaging | SMS, MMS, Push Mail, EMail | SMS, MMS, Push Mail, EMail, IM | SMS, MMS, EMail, IM |
| Build Features | - | - | - Fingerprint sensor (PayPal certified) - IP67 certified - dust and water resistant - Water resistant up to 1 meter and 30 minutes |
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| OS | Android OS, v4.2.1 (Jelly Bean) | Android OS, v4.2 (Jelly Bean) | Android OS, v4.4.2 (KitKat) |
| Processor | Quad-core 1.2 GHz, MediaTek MT6589 | Octa-core 2 GHz Cortex-A7, Mediatek MT6592 | Quad-core 2.5 GHz Krait 450, Qualcomm Snapdragon 805 |
| GPU | PowerVR SGX544 | PowerVR SGX544 | Adreno 420 |
| RAM | 1 GB | 2 GB | 3 GB |
| Internal Memory | 16 GB | 16 GB | 16/32 GB storage |
| External Memory | No | microSD, up to 32 GB | microSD, up to 128 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 | 5.0 inches | 5.1 inches |
| Resolution | 720 x 1280 pixels (312 ppi) | 1080 x 1920 pixels (441 ppi) | 1440 x 2560 pixels (576 ppi) |
| Screen-to-Body Ratio | 65.81% | 70.90% | 69.63% |
| Multi-Touch |  |
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| 3.5mm Jack | |
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| Radio | Stereo FM radio with RDS | FM Radio with RDS, FM Recording | No |
| Games | Yes + Downloadable | Yes + Downloadable | Yes + Downloadable |
| Loud Speaker | |
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| Rear Camera | 8 MP, 3264x2448 pixels | 13.1 MP, 4208 x 3120 pixels | 16 MP, 5312 x 2988 pixels |
| Flash | LED flash | LED flash | phase detection auto |
| Features | Auto focus, Geo-tagging, Touch Focus, Face Detection, Panorama, HDR | Auto focus, Geo-tagging, Touch Focus, Face Detection | 1/2.6' Sensor Size, 1.12 �m Pixel Size, Dual Shot, Simultaneous HD Video And Image Recording, Geo-tagging, Touch Focus, Face And Smile Detection, Image Stabilization, HDR |
| Video | Yes, 1080p | Yes, 1080p@30fps | Yes, 2160p@30fps, 1080p@60fps, 720p@120fps, HDR, video stabilization, dual-video rec. |
| Front Camera | Yes, 1.9 MP [Similar] | Yes, 2.1 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, 21 Mbps; HSUPA, 5.76 Mbps | HSDPA, 42.2 Mbps; HSUPA; LTE-A, 255 Mbps DL |
| Bluetooth | Yes, v3.0 | Yes, v4.0 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 Direct, Wi-Fi hotspot | 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 v3.0 (MHL 2.1), USB On-the-go, USB Host |
| GPS | Yes, with A-GPS support | Yes, with A-GPS support | Yes, with A-GPS support, GLONASS, Beidou |
| Browser | HTML5 | HTML5 | HTML5 |
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| Internal | 16 GB, 1 GB RAM | 16 GB, 2 GB RAM | 16/32 GB storage, 3 GB RAM |
| Expandable Storage | No | 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 | 2000 mAh | 2500 mAh | 2800 mAh |
| Stand by | - | Up to 320 h (2G) Up to 240 h (3G) |
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| Talk Time | - | Up to 20 h (2G) Up to 12 h (3G) |
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