Phone Comparison - Samsung Galaxy J7 Duo (2018) vs Oppo A9 (2020) vs Apple iPhone 11 Pro Max
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| Manufacturer | Samsung | Oppo | Apple |
| Announced | April 2018 | September 2019 | September 2019 |
| Status | Available - April 2018 | Coming Soon - 2019 | Coming Soon - September 2019 |
| Price | Rs. 16,990 ($260.00) [Similarly Priced] | Rs. 16,990 ($0.00) [Similarly Priced] | Rs. 109,900 ($0.00) [Similarly Priced] |
| Colors | Black, Gold | Marine Green, Space Purple | Space Gray, Silver, Gold |
| Form Factor | Candybar | Candybar | Candybar |
| Dimension |
153.5 x 77.2 x 8.1 mm (6.04 x 3.04 x 0.32 in) |
163.6 × 75.6 × 9.1 mm (6.44 × 2.98 × 0.36 in) |
158 x 77.8 x 8.1 mm (6.22 x 3.06 x 0.32 in) |
| Weight | - | 195 g (6.88 oz) | 226 g (7.97 oz) |
| SIM Type | Dual-SIM | Hybrid Dual SIM (Nano-SIM, dual stand-by) | Single SIM (Nano-SIM) or Dual SIM (Nano-SIM, dual stand-by) - for China |
| 2G Network | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (optional) | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 | GSM 850 / 900 / 1800 / 1900 CDMA2000 1xEV-DO |
| 3G Network | HSDPA 850 / 900 / 1900 / 2100 | HSDPA 850 / 900 / 1900 / 2100 | HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 |
| 4G Network | LTE band 1(2100), 3(1800), 5(850), 7(2600), 8(900), 20(800) | LTE band 1(2100), 3(1800), 5(850), 7(2600), 8(900), 40(2300), 41(2500) | LTE band 1(2100), 2(1900), 3(1800), 4(1700/2100), 5(850), 7(2600), 8(900), 12(700), 13(700), 14(700), 17(700), 18(800), 19(800), 20(800), 25(1900), 26(850), 29(700), 30(2300), 32(1500), 34(2000), 38(2600), 39(1900), 40(2300), 41(2500), 46, 66(1700/2100), 71(600) |
| Messaging | SMS, MMS, EMail, IM | SMS, MMS, Push Mail, EMail, IM | |
| Build Features | - 2.5D Curved Glass - Fingerprint Sensor |
- Fingerprint Sensor |
- IP68 dust/water resistant (up to 2m for 30 mins) - Apple Pay (Visa, MasterCard, AMEX certified) Apple Pencil Support Dolby Vision HDR10 Wide color gamut True-tone 120 Hz touch-sensing |
| Notification LED | Yes | - | - |
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| OS | Android OS, v8.0 (Oreo) | Android 9.0 (Pie) | iOS 13 |
| User Interface | - | ColorOS 6.1 | - |
| Processor | 2.39 GHz Octa-core, Exynos 7870 | Octa-core(Quad 2GHz Kryo 260 + Quad 1.8GHz Kryo 260) , Qualcomm SDM665 Snapdragon 665 (11 nm) | Hexa-core, Apple A13 Bionic (7 nm+) |
| GPU | Mali-T830 MP2 | Adreno 610 | Apple GPU (4-core graphics) |
| RAM | 4 GB | 8 GB | 6 GB |
| Internal Memory | 32 GB | 128 GB | 128/256/512 GB |
| External Memory | microSD, up to 256 GB | microSD, up to 256 GB | No |
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| Type | Super AMOLED capacitive touchscreen | HD+ IPS Touchscreen, Corning Gorilla Glass 3+ protection | Full HD+ OLED Capacitive Touchscreen Scratch-resistant Glass, Oleophobic Coating Dolby Vision, HDR10 Wide color gamut, True-tone 120 Hz touch-sensing |
| Colors | 16M colors | 16M colors | 16M colors |
| Size | 5.5 inches | 6.5 inches | 6.5 inches |
| Resolution | 720 x 1280 pixels (267 ppi) | 720 x 1600 pixels (270 ppi) | 1242 x 2688 pixels (456 ppi) |
| Screen-to-Body Ratio | 70.38% | - | 84.27% |
| Multi-Touch |  |
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| 3.5mm Jack | |
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| Radio | FM radio, recording | FM radio, recording | No |
| Games | Yes + Downloadable | Yes + Downloadable | Yes + Downloadable |
| Loud Speaker | |
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| Rear Camera | Dual 13 MP + 5 MP | 48 MP + 8 MP + 2 MP + 2 MP | 12 MP + 12 MP + 12 MP |
| Flash | LED flash | Dual-LED Flash | Quad-LED dual-tone flash |
| Features | Auto focus, Live Focus, f/1.9 aperture main, f/1.9 aperture secondary, Geo-tagging, Touch Focus, Face Detection, Panorama | 48 MP, f/1.79, (wide), 1/2", 0.8µm, PDAF 8 MP, f/2.5, 13mm (ultrawide), 1.12µm 2 MP, f/2.4, 1/5", 1.75µm (dedicated macro camera) 2 MP, f/2.4, 1/5", 1.75µm, depth sensor HDR, Panorana |
12 MP, f/1.8, 26mm (wide), 1/2.55", 1.4µm, PDAF, OIS 12 MP, f/2.4, 52mm (telephoto), 1/3.4", 1.0µm, PDAF, OIS, 2x optical zoom 12 MP, (ultrawide) HDR, panorama |
| Video | 1080p@30fps | 2160p@30fps, 1080p@30/60/120fps, (gyro-EIS) | 2160p@24/30/60fps, 1080p@30/60/120/240fps, HDR, stereo sound recording |
| Front Camera | 8 MP, f/1.9 [Similar] | 16 MP, f/2.0, HDR, 1080p@30fps [Similar] |
12 MP, 26mm (wide), f/2.0, 1.25µm TOF 3D camera HDR 1080p@30fps [Similar] |
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| GPRS | Yes | Yes | Yes |
| Edge | Yes | Yes | Yes |
| 3G | HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps, VoLTE | HSPA 42.2/5.76 Mbps, LTE-A (3CA) Cat9 450/50 Mbps | HSPA 42.2/5.76 Mbps, LTE-A (4CA) Cat16 1024/150 Mbps, EV-DO Rev.A 3.1 Mbps |
| Bluetooth | v4.2, A2DP, EDR, LE, ANT+ | 5.0, A2DP, LE | 5.0, A2DP, LE |
| Wi-Fi | Wi-Fi 802.11 a/b/g/n/ac, dual-band, hotspot | Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, hotspot | Wi-Fi 6 802.11 a/b/g/n/ac/ax, dual-band, hotspot |
| USB | microUSB 2.0 | 2.0, Type-C 1.0 reversible connector | 2.0, proprietary reversible connector |
| GPS | Yes, with A-GPS, GLONASS | Yes, with A-GPS, GLONASS, BDS | Yes, with A-GPS, GLONASS, GALILEO, QZSS |
| Browser | HTML5 | Yes | HTML5 (Safari) |
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| Internal | 32 GB, 4 GB RAM | 128 GB, 8 GB RAM or 64 GB, 6 GB RAM | 128/256/512 GB, 6 GB RAM |
| Expandable Storage | microSD, up to 256 GB | microSD, up to 256 GB | No |
| 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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| Barometer Sensor | |
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| NFC | |
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| Type | Non-removable Li-Ion Battery | Non-removable Li-Po Battery Fast battery charging 18W (Quick Charge 4) |
Non-removable Li-Ion battery Fast battery charging 18W USB Power Delivery 3.0 Qi wireless charging Reverse wireless charging |
| Capacity | 3000 mAh | 4880 mAh | 3500 mAh |
| Stand by | - | - | - |
| Talk Time | - | - | Up to 20 h (3G) |
