Phone Comparison - Samsung Galaxy J3 Pro vs Samsung Galaxy A3 (2017) vs Oppo A57
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| Manufacturer | Samsung | Samsung | Oppo |
| Announced | June 2016 | January 2017 | November 2016 |
| Status | Available - June 2016 | Coming Soon - January 2017 | Available - January 2017 |
| Price | Rs. 7,990 ($139.99) [Similarly Priced] | Rs. 19,990 ($299.00) [Similarly Priced] | Rs. 14,990 ($240.00) [Similarly Priced] |
| Colors | White, Black, Gold | Various | Gold, Rose Gold |
| Form Factor | Candybar | Candybar | Candybar |
| Dimension |
142.2 x 71.3 x 8 mm (5.6 x 2.81 x 0.31 in) |
135.4 x 66.2 x 7.9 mm (5.33 x 2.61 x 0.31 in) |
149.1 x 72.9 x 7.65 mm (5.87 x 2.87 x 0.3 in) |
| Weight | 139 g (4.9 oz) | - | 147 g (5.19 oz) |
| SIM Type | Dual-SIM | Dual-SIM | Dual-SIM |
| 2G Network | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (dual-SIM model only) | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (optional) | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 CDMA2000 1xEV-DO - A59m |
| 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 band 1(2100), 3(1800), 5(850), 7(2600), 8(900), 20(800) | LTE band 3(1800), 7(2600), 38(2600), 39(1900), 40(2300), 41(2500) |
| Messaging | SMS, MMS, EMail, IM | SMS, MMS, EMail, IM | SMS, MMS, Push Mail, EMail |
| Build Features | - | - | - Fingerprint Sensor - Metal Build - 2.5D Curved Glass |
| Notification LED | No | Yes | Yes |
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| OS | Android OS, v6.0.1 (Marshmallow) | Android OS, v6.0.1 (Marshmallow) | Android OS, v6.0 (Marshmallow) |
| Processor | Quad-core 1.5GHz/Quad-core 1.2 GHz, Spreadtrum 9830A/Qualcomm MSM8916 Snapdragon 410 | Octa-core 1.6 GHz Cortex-A53, Exynos 7870 | Octa-core 1.4 GHz Cortex-A53, Qualcomm MSM8940 Snapdragon 435 |
| GPU | Mali-T720/Adreno 306 | Mali-T830 MP2 | Adreno 505 |
| RAM | 2 GB | 2 GB | 3 GB |
| Internal Memory | 16 GB | 16 GB | 32 GB |
| External Memory | microSD, up to 128 GB (dedicated slot) | microSD, up to 256 GB | microSD, up to 128 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 | 5.0 inches | 4.7 inches | 5.2 inches |
| Resolution | 720 x 1280 pixels (294 ppi) | 720 x 1280 pixels (312 ppi) | 720 x 1280 pixels (282 ppi) |
| Screen-to-Body Ratio | 67.85% | 68.14% | 68.79% |
| Multi-Touch |  |
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| 3.5mm Jack | |
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| Radio | FM radio, RDS, recording | FM radio | FM radio |
| Games | Yes + Downloadable | Yes + Downloadable | Yes + Downloadable |
| Loud Speaker | |
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| Rear Camera | 8 MP | 13 MP, 4128 x 3096 pixels | 13 MP |
| Flash | LED flash | LED flash | LED Flash |
| Features | Auto focus, f/2.2 aperture, Geo-tagging, Touch Focus, Face Detection, HDR | Auto focus, Geo-tagging, Touch Focus, Face Detection, Panorama | 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, f/2.2 [Similar] | 8 MP [Similar] | 16 MP [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 Cat4 150/50 Mbps, VoLTE | HSPA, LTE, VoLTE |
| Bluetooth | v4.1, A2DP | v4.2, A2DP, EDR, LE, ANT+ | v4.1, A2DP |
| Wi-Fi | Wi-Fi 802.11 b/g/n, Wi-Fi Direct, hotspot | Wi-Fi 802.11 a/b/g/n/ac, Wi-Fi Direct, hotspot | Wi-Fi 802.11 a/b/g/n, hotspot |
| USB | microUSB v2.0, USB On-The-Go | Type-C 1.0 reversible connector, Fast Charging | microUSB v2.0, USB Host |
| GPS | Yes, with A-GPS, GLONASS/ BDS (region dependent) | Yes, with A-GPS, GLONASS/ BDS (market dependant) | Yes, with A-GPS |
| Browser | HTML5 | HTML5 | HTML5 |
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| Internal | 16 GB, 2 GB RAM | 16 GB, 2 GB RAM | 32 GB, 3 GB RAM |
| Expandable Storage | microSD, up to 128 GB (dedicated slot) | microSD, up to 256 GB | microSD, up to 128 GB (uses SIM 2 slot) |
| USB OTG | Supported | Supported | 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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| NFC | |
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| Type | Removable Li-Ion Battery | Non-removable Li-Ion Battery | Non-removable Li-Ion Battery |
| Capacity | 2600 mAh | 2350 mAh | 2900 mAh |
| Stand by | 303 h | - | - |
| Talk Time | - | - | - |
