Phone Comparison - Oppo R7 vs Oppo R9 vs Oppo A57
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| Manufacturer | Oppo | Oppo | Oppo |
| Announced | May 2015 | March 2016 | November 2016 |
| Status | Available - May 2015 | Available - April 2016 | Available - January 2017 |
| Price | Rs. 17,990 ($264.56) [Similarly Priced] | Rs. 29,000 ($426.47) [Similarly Priced] | Rs. 14,990 ($240.00) [Similarly Priced] |
| Colors | Golden, Silver | Gold | Gold, Rose Gold |
| Form Factor | Candybar | Candybar | Candybar |
| Dimension |
143 x 71 x 6.3 mm (5.63 x 2.8 x 0.25 in) |
151.8 x 74.3 x 6.6 mm (5.98 x 2.93 x 0.26 in) |
149.1 x 72.9 x 7.65 mm (5.87 x 2.87 x 0.3 in) |
| Weight | 147 g (5.19 oz) | 145 g (5.11 oz) | 147 g (5.19 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 CDMA2000 1xEV-DO & TD-SCDMA |
GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 CDMA2000 1xEV-DO - A59m |
| 3G Network | HSDPA 850 / 900 / 1900 / 2100 - Global, Taiwan HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 - USA |
HSDPA 850 / 900 / 1900 / 2100 | HSDPA 850 / 900 / 1900 / 2100 |
| 4G Network | LTE band 1(2100), 3(1800), 7(2600), 8(900), 40(2300) - Global LTE band 1(2100), 3(1800), 5(850), 7(2600), 8(900), 28(700), 40(2300) - Taiwan LTE band 1(2100), 3(1800), 4(1700/2100), 7(2600), 17(700), 20(800) - USA |
LTE band 1(2100), 3(1800), 5(850), 38(2600), 39(1900), 40(2300), 41(2500) | LTE band 3(1800), 7(2600), 38(2600), 39(1900), 40(2300), 41(2500) |
| Messaging | SMS, MMS, Push Mail, EMail | SMS, MMS, Push Mail, EMail | SMS, MMS, Push Mail, EMail |
| Build Features | Support for Gloved and Wet Touch Input | - | - Fingerprint Sensor - Metal Build - 2.5D Curved Glass |
| Notification LED | - | - | Yes |
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| OS | Android OS, v5.1 (Lollipop) | Android OS, v5.1 (Lollipop) | Android OS, v6.0 (Marshmallow) |
| Processor | Quad-core 1.5 GHz Cortex-A53 & quad-core 1.0 GHz Cortex-A53, Qualcomm MSM8939 Snapdragon 615 | Octa-core 2.0 GHz Cortex-A53, Mediatek MT6755 Helio P10 | Octa-core 1.4 GHz Cortex-A53, Qualcomm MSM8940 Snapdragon 435 |
| GPU | Adreno 405 | Mali-T860MP2 | Adreno 505 |
| RAM | 3 GB | 4 GB | 3 GB |
| Internal Memory | 16 GB | 64 GB | 32 GB |
| External Memory | microSD, up to 128 GB (uses SIM 2 slot) | microSD, up to 128 GB (uses SIM 2 slot) | microSD, up to 128 GB (uses SIM 2 slot) |
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| Type | AMOLED Capacitive Touchscreen, Corning Gorilla Glass 3 | Capacitive Touchscreen, Corning Gorilla Glass 4 | IPS LCD capacitive touchscreen |
| Colors | 16M colors | 16M colors | 16M colors |
| Size | 5.0 inches | 5.5 inches | 5.2 inches |
| Resolution | 1080 x 1920 pixels (445 ppi) | 1080 x 1920 pixels (401 ppi) | 720 x 1280 pixels (282 ppi) |
| Screen-to-Body Ratio | 66.54% | 73.76% | 68.79% |
| Multi-Touch |  |
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| 3.5mm Jack | |
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| Radio | - | No | FM radio |
| Games | Yes + Downloadable | Yes + Downloadable | Yes + Downloadable |
| Loud Speaker | |
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| Rear Camera | 13 MP, 4128 x 3096 pixels, Schneider-Kreuznach O | 13 MP, 4128 x 3096 pixels | 13 MP |
| Flash | LED Flash | LED Flash | LED Flash |
| Features | Phase Detection Auto-focus, Geo-tagging, Touch Focus, Face Detection, Colorful Night, Slow Shutter, Expert Mode, Beautify, Ultra HD, Panorama, Audio Photo, GIF, Double Exposure, Super Macro, RAW, HDR, Gorgeous Color Filters, Blurred Background, Fast Lens, | Phase Detection Autofocus, f/2.2, Geo-tagging, Touch Focus, Face Detection, Panorama, HDR | Phase Detection Autofocus, f/2.2, Geo-tagging, Touch Focus, Face Detection, HDR, Panorama |
| Video | 1080p@30fps | 1080p@30fps | 1080p@30fps |
| Front Camera | 8 MP [Similar] | 16 MP, f/2.0 [Similar] | 16 MP [Similar] |
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| GPRS | Yes | Yes | Yes |
| Edge | Yes | Yes | Yes |
| 3G | HSPA, LTE Cat4 150/50 Mbps | HSPA, LTE | HSPA, LTE, VoLTE |
| Bluetooth | v4.0 | v4.0 | v4.1, A2DP |
| Wi-Fi | Wi-Fi 802.11 b/g/n, Wi-Fi Direct, hotspot | Wi-Fi 802.11 a/b/g/n, Wi-Fi Direct, hotspot | Wi-Fi 802.11 a/b/g/n, hotspot |
| USB | microUSB v2.0, USB Host | microUSB v2.0, USB Host | microUSB v2.0, USB Host |
| GPS | Yes, with A-GPS, GLONASS | Yes, with A-GPS | Yes, with A-GPS |
| Browser | HTML5 | HTML5 | HTML5 |
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| Internal | 16 GB, 3 GB RAM | 64 GB, 4 GB RAM | 32 GB, 3 GB RAM |
| Expandable Storage | microSD, up to 128 GB (uses SIM 2 slot) | microSD, up to 128 GB (uses SIM 2 slot) | microSD, up to 128 GB (uses SIM 2 slot) |
| USB OTG | Supported | 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 | Non-removable Li-Po Battery | Non-removable Li-Po Battery | Non-removable Li-Ion Battery |
| Capacity | 2320 mAh | 2850 mAh | 2900 mAh |
| Stand by | - | - | - |
| Talk Time | - | - | - |
