Phone Comparison - Oppo A57 vs Xiaomi Mi A1 vs vivo V7
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| Price Comparison (India) | - | - | |
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| Manufacturer | Oppo | Xiaomi | vivo |
| Announced | November 2016 | September 2017 | November 2017 |
| Status | Available - January 2017 | Coming Soon - September 2017 | Available - November 2017 |
| Price | Rs. 14,990 ($240.00) [Similarly Priced] | Rs. 14,999 ($245.00) [Similarly Priced] | Rs. 18,990 ($299.00) [Similarly Priced] |
| Colors | Gold, Rose Gold | Gold, Pink, Black | Champagne Gold, Matte Black |
| Form Factor | Candybar | Candybar | Candybar |
| Dimension |
149.1 x 72.9 x 7.65 mm (5.87 x 2.87 x 0.3 in) |
155.4 x 75.8 x 7.3 mm (6.12 x 2.98 x 0.29 in) |
149.3 x 72.8 x 7.9 mm (5.88 x 2.87 x 0.31 in) |
| Weight | 147 g (5.19 oz) | 165 g (5.82 oz) | 139 g (4.9 oz) |
| SIM Type | Dual-SIM | 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 - SIM 1 & SIM 2 CDMA2000 1xEV-DO - A59m |
GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 | GSM 900 / 1800 - SIM 1 & SIM 2 |
| 3G Network | HSDPA 850 / 900 / 1900 / 2100 | HSDPA 2100 | HSDPA 850 / 900 / 2100 |
| 4G Network | LTE band 3(1800), 7(2600), 38(2600), 39(1900), 40(2300), 41(2500) | LTE | LTE band 1(2100), 3(1800), 5(850), 7(2600), 8(900), 40(2300), 41(2500) |
| Messaging | SMS, MMS, Push Mail, EMail | SMS, MMS, Push Mail, EMail | SMS, MMS, Push Mail, EMail |
| Build Features | - Fingerprint Sensor - Metal Build - 2.5D Curved Glass | - Fingerprint Sensor | - Fingerprint Sensor |
| Notification LED | Yes | Yes | No |
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| OS | Android OS, v6.0 (Marshmallow) | Android OS, v7.1.1 Nougat | Android 7.1.2 (Nougat) |
| User Interface | ColorOS 3.0 | Android One (Stock Android) | FunTouch OS 3.2 |
| Processor | Octa-core 1.4 GHz Cortex-A53, Qualcomm MSM8940 Snapdragon 435 | Octa-core 2.0 GHz Cortex-A53, Qualcomm MSM8953 Snapdragon 625 | Octa-core 1.8 GHz Cortex-A53, Qualcomm Snapdragon 450 |
| GPU | Adreno 505 | Adreno 506 | Adreno 506 |
| RAM | 3 GB | 4 GB | 4 GB |
| Internal Memory | 32 GB | 64 GB | 32 GB |
| External Memory | microSD, up to 128 GB (uses SIM 2 slot) | microSD, up to 128 GB | microSD, up to 256 GB (dedicated slot) |
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| Type | IPS LCD capacitive touchscreen | IPS LCD Capacitive Touchscreen | IPS LCD Capacitive Touchscreen |
| Colors | 16M colors | 16M colors | 16M colors |
| Size | 5.2 inches | 5.5 inches | 5.7 inches |
| Resolution | 720 x 1280 pixels (282 ppi) | 1080 x 1920 pixels (401 ppi) | 720 x 1440 pixels (282 ppi) |
| Screen-to-Body Ratio | 68.79% | 70.63% | 77.39% |
| Multi-Touch |  |
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| 3.5mm Jack | |
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| Radio | FM radio | N/A | FM radio, recording |
| Games | Yes + Downloadable | Yes + Downloadable | Yes + Downloadable |
| Loud Speaker | |
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| Rear Camera | 13 MP | Dual 12 MP | 16 MP |
| Flash | LED Flash | Dual-LED (Dual Tone) | LED Flash |
| Features | Phase Detection Autofocus, f/2.2, Geo-tagging, Touch Focus, Face Detection, HDR, Panorama | Phase Detection Autofocus, Geo-tagging, Touch Focus, Face Detection, Panorama, HDR, Wide-angle lens - 12MP, 1.25μm, f/2.2 aperture; Telephoto lens - 12MP, 1.0μm, f/2.6 aperture | Phase Detection Autofocus, f/2.0, 1/3" Sensor Size, 1.0 µm Pixel Size, Geo-tagging, Touch Focus, Face Detection, HDR |
| Video | 1080p@30fps | 2160p@30fps, 1080p@30fps, 720p@120fps | 1080p@30fps |
| Front Camera | 16 MP [Similar] | 16 MP [Similar] | 24 MP, f/2.0 [Similar] |
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| GPRS | Yes | Yes | Yes |
| Edge | Yes | Yes | Yes |
| 3G | HSPA, LTE, VoLTE | HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps, VoLTE | HSPA, LTE, VoLTE |
| Bluetooth | v4.1, A2DP | v4.2, A2DP, LE | 4.2, A2DP, LE |
| Wi-Fi | Wi-Fi 802.11 a/b/g/n, hotspot | Wi-Fi 802.11 a/b/g/n/ac, dual-band, WiFi Direct, hotspot | Wi-Fi 802.11 b/g/n, WiFi Direct, DLNA, hotspot |
| USB | microUSB v2.0, USB Host | Type-C 1.0 reversible connector, USB On-The-Go | microUSB 2.0, USB On-The-Go |
| GPS | Yes, with A-GPS | Yes, with A-GPS, GLONASS | Yes, with A-GPS, GLONASS, BDS |
| Browser | HTML5 | HTML5 | HTML5 |
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| Internal | 32 GB, 3 GB RAM | 64 GB, 4 GB RAM | 32 GB, 4 GB RAM |
| Expandable Storage | microSD, up to 128 GB (uses SIM 2 slot) | microSD, up to 128 GB | microSD, up to 256 GB (dedicated slot) |
| USB OTG | Supported | Yes | 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 | 2900 mAh | 3080 mAh | 3000 mAh |
| Stand by | - | - | - |
| Talk Time | - | - | - |
Rs. 14,999 
