Phone Comparison - Samsung Galaxy C7 Pro vs Vivo Y66 vs Oppo A77
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| Manufacturer | Samsung | vivo | Oppo |
| Announced | January 2017 | December 2016 | July 2017 |
| Status | Available - April 2017 | Available - December 2016 | Available - July 2017 |
| Price | Rs. 27,990 ($435.00) [Similarly Priced] | Rs. 14,990 ($216.00) [Similarly Priced] | - |
| Colors | Gold, Pink Gold, Dark Gray | Gold | Gold, Rose Gold |
| Form Factor | Candybar | Candybar | Candybar |
| Dimension |
156.5 x 77.2 x 7.0 mm (6.16 x 3.04 x 0.28 in) |
153.56 x 75.79 x 7.49 mm (6.05 x 2.98 x 0.29 in) |
153.3 x 75.9 x 7.4 mm (6.04 x 2.99 x 0.29 in) |
| Weight | 172 g (6.07 oz) | 157 g (5.54 oz) | 148 g (5.22 oz) |
| SIM Type | Dual SIM Hybrid (Nano SIM + Micro SIM, or Micro SIM + microSD Card) | Dual SIM Hybrid (Nano SIM + Micro SIM, or Micro SIM + microSD Card) | Dual SIM (Nano-SIM, dual stand-by) |
| 2G Network | GSM 850 / 900 / 1800 / 1900 | GSM 900 / 1800 / 1900 - SIM 1 & SIM 2 CDMA2000 1xEV-DO |
GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 |
| 3G Network | HSDPA 850 / 900 / 1900 / 2100 | HSDPA 850 / 1900 / 2100 | HSDPA 850 / 900 / 1900 / 2100 |
| 4G Network | LTE | LTE band 1(2100), 3(1800), 7(2600), 38(2600), 39(1900), 40(2300), 41(2500) | LTE |
| Messaging | SMS, MMS, EMail, IM | SMS, MMS, EMail, IM | SMS, MMS, Push Mail, EMail |
| Build Features | - Fingerprint Sensor - Metal Body - 2.5D Curved Glass |
- Metal Body - 2.5D Curved Glass |
- Fingerprint Sensor |
| Notification LED | - | Yes | Yes |
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| OS | Android OS, v6.0.1 (Marshmallow) | Android OS, v6.0.1 (Marshmallow) | Android OS, v7.0 (Nougat) |
| User Interface | - | FunTouch OS 3.0 | - |
| Processor | Octa-core 2.2 GHz Cortex-A53, Qualcomm MSM8953Pro Snapdragon 626 | Octa-core 1.4 GHz Cortex-A53, Qualcomm MSM8937 Snapdragon 430 | Octa-core 2.0 GHz Cortex-A53, Qualcomm MSM8953 Snapdragon 625 |
| GPU | Adreno 506 | Adreno 505 | Adreno 506 |
| RAM | 4 GB | 3 GB | 4 GB |
| Internal Memory | 64 GB | 32 GB | 64 GB |
| External Memory | microSD, up to 256 GB (uses SIM 2 slot) | microSD, up to 128 GB | microSD, up to 256 GB (uses SIM 2 slot) |
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| Type | Super AMOLED Capacitive Touchscreen, Gorilla Glass 4 | IPS LCD capacitive touchscreen | IPS LCD Capacitive Touchscreen |
| Colors | 16M colors | 16M colors | 16M colors |
| Size | 5.7 inches | 5.5 inches | 5.5 inches |
| Resolution | 1080 x 1920 pixels (386 ppi) | 720 x 1280 pixels (267 ppi) | 1080 x 1920 pixels (401 ppi) |
| Screen-to-Body Ratio | 74.32% | 71.66% | 71.50% |
| Multi-Touch |  |
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| 3.5mm Jack | |
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| Radio | Stereo FM radio with RDS; recording | FM radio | FM Radio |
| Games | Yes + Downloadable | Yes + Downloadable | Yes + Downloadable |
| Loud Speaker | |
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| Rear Camera | 16 MP | 13 MP, 4160 x 3120 pixels | 13 MP |
| Flash | Dual-LED (dual Tone) | LED Flash | LED Flash |
| Features | Autofocus, f/1.9, Geo-tagging, Touch Focus, Face Detection, Panorama, HDR | AutoFocus, Geo-tagging, Touch Focus, Face/smile Detection, HDR, Panorama | Phase Detection Autofocus, f/2.2, Geo-tagging, Touch Focus, Face Detection, HDR, Panorama |
| Video | 1080p@30fps | 1080p@30fps | 1080p@30fps |
| Front Camera | 16 MP, f/1.9 [Similar] | 5 MP [Similar] | 16 MP, f/2.0 [Similar] |
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| GPRS | Yes | Yes | Yes |
| Edge | Yes | Yes | Yes |
| 3G | HSPA 42.2/5.76 Mbps, LTE-A (2CA) Cat6 300/50 Mbps, VoLTE | HSPA, LTE, EV-DO Rev.A 3.1 Mbps, VoLTE | HSPA, LTE, VoLTE |
| Bluetooth | v4.2, A2DP, LE | v4.1, A2DP | 4.2, A2DP |
| Wi-Fi | Wi-Fi 802.11 a/b/g/n/ac, dual-band, WiFi Direct, hotspot | Wi-Fi 802.11 b/g/n, Wi-Fi Direct, hotspot | Wi-Fi 802.11 b/g/n, hotspot |
| USB | Type-C 1.0 reversible connector, Fast Charging | microUSB v2.0 | microUSB 2.0 |
| GPS | Yes, with A-GPS, GLONASS/ BDS (region dependent) | Yes, with A-GPS, GLONASS, BDS | Yes, with A-GPS |
| Browser | HTML5 | HTML5 | HTML5 |
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| Internal | 64 GB, 4 GB RAM | 32 GB, 3 GB RAM | 64 GB, 4 GB RAM |
| Expandable Storage | microSD, up to 256 GB (uses SIM 2 slot) | microSD, up to 128 GB | microSD, up to 256 GB (uses SIM 2 slot) |
| USB OTG | Supported | Supported | Not Supported |
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| Fingerprint | |
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| Proximity Sensor | |
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| Accelerometer Sensor | |
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| Light Sensor | |
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| Magnetic-Field Sensor (Compass) | |
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| NFC | |
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| Type | Non-removable Li-Ion battery | Non-removable Li-Ion Battery | Non-removable Li-Ion Battery |
| Capacity | 3300 mAh | 3000 mAh | 3200 mAh |
| Stand by | - | - | - |
| Talk Time | - | - | - |
