Phone Comparison - LG G4 vs Oppo A57 vs Oppo A77
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| Manufacturer | LG | Oppo | Oppo |
| Announced | April 2015 | November 2016 | July 2017 |
| Status | Available - April 2015 | Available - January 2017 | Available - July 2017 |
| Price | Rs. 25,999 ($382.34) [Similarly Priced] | Rs. 14,990 ($240.00) [Similarly Priced] | - |
| Colors | Grey, White, Gold, Leather Black, Leather Brown, Leather RedGrey | Gold, Rose Gold | Gold, Rose Gold |
| Form Factor | Candybar | Candybar | Candybar |
| Dimension |
148.9 x 76.1 x 9.8 mm (5.86 x 3 x 0.39 in) |
149.1 x 72.9 x 7.65 mm (5.87 x 2.87 x 0.3 in) |
153.3 x 75.9 x 7.4 mm (6.04 x 2.99 x 0.29 in) |
| Weight | 155 g (5.47 oz) | 147 g (5.19 oz) | 148 g (5.22 oz) |
| SIM Type | - | Dual-SIM | Dual SIM (Nano-SIM, dual stand-by) |
| 2G Network | GSM 850 / 900 / 1800 / 1900 | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 CDMA2000 1xEV-DO - A59m |
GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 |
| 3G Network | HSDPA 850 / 900 / 1900 / 2100 | HSDPA 850 / 900 / 1900 / 2100 | HSDPA 850 / 900 / 1900 / 2100 |
| 4G Network | LTE band 1(2100), 3(1800), 7(2600), 8(900), 20(800) | LTE band 3(1800), 7(2600), 38(2600), 39(1900), 40(2300), 41(2500) | LTE |
| Messaging | SMS, MMS, EMail, IM | SMS, MMS, Push Mail, EMail | SMS, MMS, Push Mail, EMail |
| Build Features | - | - Fingerprint Sensor - Metal Build - 2.5D Curved Glass | - Fingerprint Sensor |
| Notification LED | - | Yes | Yes |
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| OS | Android OS, v5.1 (Lollipop) | Android OS, v6.0 (Marshmallow) | Android OS, v7.0 (Nougat) |
| User Interface | - | ColorOS 3.0 | - |
| Processor | Hexa-core 1.8 GHz Cortex-A57, Qualcomm MSM8992 Snapdragon 808 | Octa-core 1.4 GHz Cortex-A53, Qualcomm MSM8940 Snapdragon 435 | Octa-core 2.0 GHz Cortex-A53, Qualcomm MSM8953 Snapdragon 625 |
| GPU | Adreno 418 | Adreno 505 | Adreno 506 |
| RAM | 3 GB | 3 GB | 4 GB |
| Internal Memory | 32 GB | 32 GB | 64 GB |
| External Memory | microSD, up to 2 TB | microSD, up to 128 GB (uses SIM 2 slot) | microSD, up to 256 GB (uses SIM 2 slot) |
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| Type | True HD-IPS + LCD Capacitive Touchscreen, Corning Gorilla Glass 4 | IPS LCD capacitive touchscreen | IPS LCD Capacitive Touchscreen |
| Colors | 16M colors | 16M colors | 16M colors |
| Size | 5.5 inches | 5.2 inches | 5.5 inches |
| Resolution | 1440 x 2560 pixels (534 ppi) | 720 x 1280 pixels (282 ppi) | 1080 x 1920 pixels (401 ppi) |
| Screen-to-Body Ratio | 73.61% | 68.79% | 71.50% |
| Multi-Touch |  |
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| 3.5mm Jack | |
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| Radio | Stereo FM radio with RDS | FM radio | FM Radio |
| Games | Yes + Downloadable | Yes + Downloadable | Yes + Downloadable |
| Loud Speaker | |
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| Rear Camera | 16 MP, 5312 x 2988 pixels | 13 MP | 13 MP |
| Flash | Dual-LED (dual tone) | LED Flash | LED Flash |
| Features | Phase Detection/Laser, Auto-focus, OIS, 1/2.6'' Sensor Size, Simultaneous Video And Image Recording, Geo-tagging, Face Detection, HDR | Phase Detection Autofocus, f/2.2, Geo-tagging, Touch Focus, Face Detection, HDR, Panorama | Phase Detection Autofocus, f/2.2, Geo-tagging, Touch Focus, Face Detection, HDR, Panorama |
| Video | 2160p@30fps, 1080p@60fps, Optical Stabilization, HDR, Stereo Sound Rec. | 1080p@30fps | 1080p@30fps |
| Front Camera | 8 MP, 1080p@30fps [Similar] | 16 MP [Similar] | 16 MP, f/2.0 [Similar] |
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| GPRS | Class 12 | Yes | Yes |
| Edge | Class 12 | Yes | Yes |
| 3G | HSPA 42.2/21.1 Mbps, LTE Cat6 300/50 Mbps | HSPA, LTE, VoLTE | HSPA, LTE, VoLTE |
| Bluetooth | v4.1, A2DP, LE, apt-X | v4.1, A2DP | 4.2, A2DP |
| Wi-Fi | Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, DLNA, hotspot | Wi-Fi 802.11 a/b/g/n, hotspot | Wi-Fi 802.11 b/g/n, hotspot |
| USB | microUSB v2.0 (SlimPort), USB Host | microUSB v2.0, USB Host | microUSB 2.0 |
| GPS | Yes, with A-GPS, GLONASS | Yes, with A-GPS | Yes, with A-GPS |
| Browser | HTML5 | HTML5 | HTML5 |
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| Internal | 32 GB, 3 GB RAM | 32 GB, 3 GB RAM | 64 GB, 4 GB RAM |
| Expandable Storage | microSD, up to 2 TB | microSD, up to 128 GB (uses SIM 2 slot) | 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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| NFC | |
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| Type | Li-Ion Battery | Non-removable Li-Ion Battery | Non-removable Li-Ion Battery |
| Capacity | 3000 mAh | 2900 mAh | 3200 mAh |
| Stand by | Up to 375 h (3G) | - | - |
| Talk Time | Up to 10 h (3G) | - | - |
