Phone Comparison - Samsung Galaxy E7 vs Samsung Galaxy J3 Pro vs Oppo A71
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| Price Comparison (India) | - | - | |
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| Manufacturer | Samsung | Samsung | Oppo |
| Announced | January 2015 | June 2016 | September 2017 |
| Status | Available - Feburary 2015 | Available - June 2016 | Available - September 2017 |
| Price | Rs. 17,400 ($255.88) [Similarly Priced] | Rs. 7,990 ($139.99) [Similarly Priced] | Rs. 12,990 ($199.00) [Similarly Priced] |
| Colors | Black, White, Blue | White, Black, Gold | Gold, Black |
| Form Factor | Candybar | Candybar | Candybar |
| Dimension |
151.4 x 77.2 x 7.3 mm (5.96 x 3.04 x 0.29 in) |
142.2 x 71.3 x 8 mm (5.6 x 2.81 x 0.31 in) |
148.1 x 73.8 x 7.6 mm (5.83 x 2.91 x 0.3 in) |
| Weight | 141 g (4.97 oz) | 139 g (4.9 oz) | 137 g (4.83 oz) |
| SIM Type | - | Dual-SIM | Dual SIM (Nano-SIM, dual stand-by) |
| 2G Network | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (optional) | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (dual-SIM model only) | 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), 5(850), 7(2600), 8(900), 20(800) | LTE |
| Messaging | SMS, MMS, EMail, IM | SMS, MMS, EMail, IM | SMS, MMS, Push Mail, EMail |
| Notification LED | - | No | Yes |
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| OS | Android OS, v4.4.4 (KitKat) | Android OS, v6.0.1 (Marshmallow) | Android OS, v7.1 (Nougat) |
| Processor | Quad-core 1.2 GHz Cortex-A53, Qualcomm MSM8916 Snapdragon 410 | Quad-core 1.5GHz/Quad-core 1.2 GHz, Spreadtrum 9830A/Qualcomm MSM8916 Snapdragon 410 | Octa-core (4x1.5 GHz Cortex-A53 & 4x1.0 GHz Cortex-A53), MediaTek MT6750 |
| GPU | Adreno 306 | Mali-T720/Adreno 306 | Mali-T880 MP2 |
| RAM | 2 GB | 2 GB | 3 GB |
| Internal Memory | 16 GB | 16 GB | 16 GB |
| External Memory | microSD, up to 128 GB | microSD, up to 128 GB (dedicated slot) | microSD, up to 256 GB (uses SIM 2 slot) |
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| Type | Super AMOLED capacitive touchscreen | Super AMOLED capacitive touchscreen | IPS LCD Capacitive Touchscreen |
| Colors | 16M colors | 16M colors | 16M colors |
| Size | 5.5 inches | 5.0 inches | 5.2 inches |
| Resolution | 720 x 1280 pixels (267 ppi) | 720 x 1280 pixels (294 ppi) | 720 x 1280 pixels (282 ppi) |
| Screen-to-Body Ratio | 71.36% | 67.85% | 68.41% |
| Multi-Touch |  |
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| 3.5mm Jack | |
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| Radio | - | FM radio, RDS, recording | FM Radio |
| Games | Yes + Downloadable | Yes + Downloadable | Yes + Downloadable |
| Loud Speaker | |
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| Rear Camera | 13 MP, 4128 x 3096 pixels | 8 MP | 13 MP |
| Flash | LED flash | LED flash | LED Flash |
| Features | Auto focus, Geo-tagging, Touch Focus, Face Detection, Panorama | Auto focus, f/2.2 aperture, Geo-tagging, Touch Focus, Face Detection, HDR | Phase Detection Autofocus, f/2.2, Geo-tagging, Touch Focus, Face Detection, HDR, Panorama |
| Video | 1080p@30fps | 1080p@30fps | 1080p@30fps |
| Front Camera | 5 MP [Similar] | 5 MP, f/2.2 [Similar] | 5 MP, f/2.4 [Similar] |
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| GPRS | Yes | Yes | Yes |
| Edge | Yes | Yes | Yes |
| 3G | HSPA 42.2/5.76 Mbps | HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps, VoLTE | HSPA, LTE, VoLTE |
| Bluetooth | v4.0, A2DP | v4.1, A2DP | 4.2, A2DP |
| Wi-Fi | Yes | Wi-Fi 802.11 b/g/n, Wi-Fi Direct, hotspot | Wi-Fi 802.11 b/g/n, hotspot |
| USB | microUSB v2.0 | microUSB v2.0, USB On-The-Go | microUSB 2.0 |
| GPS | Yes, with A-GPS, GLONASS | Yes, with A-GPS, GLONASS/ BDS (region dependent) | Yes, with A-GPS |
| Browser | HTML5 | HTML5 | HTML5 |
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| Internal | 16 GB, 2 GB RAM | 16 GB, 2 GB RAM | 16 GB, 3 GB RAM |
| Expandable Storage | microSD, up to 128 GB | microSD, up to 128 GB (dedicated slot) | microSD, up to 256 GB (uses SIM 2 slot) |
| USB OTG | - | 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-Ion Battery | Removable Li-Ion Battery | Non-removable Li-Ion Battery |
| Capacity | 2950 mAh | 2600 mAh | 3000 mAh |
| Stand by | - | 303 h | - |
| Talk Time | Up to 19 h (3G) | - | - |
Rs. 12,990 
