Phone Comparison - Samsung I9300 Galaxy S III (S3) vs Oppo A57 vs Samsung Galaxy J7 Pro (2016)
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| Manufacturer | Samsung | Oppo | Samsung |
| Announced | May 2012 | November 2016 | Not announced yet |
| Status | Available - May 2012 | Available - January 2017 | Rumored |
| Price | - | Rs. 14,990 ($240.00) [Similarly Priced] | - |
| Colors | Blue, White | Gold, Rose Gold | Black, Gold |
| Form Factor | Candybar | Candybar | Candybar |
| Dimension |
136.6 x 70.6 x 8.6 mm (5.38 x 2.78 x 0.34 in) |
149.1 x 72.9 x 7.65 mm (5.87 x 2.87 x 0.3 in) |
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| Weight | 133 g (4.69 oz) | 147 g (5.19 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 (regional) | 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, EMail, IM |
| Build Features | - | - Fingerprint Sensor - Metal Build - 2.5D Curved Glass | - Fingerprint Sensor |
| Notification LED | - | Yes | Yes |
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| OS | Android OS, v4.0.4 (Ice Cream Sandwich) | Android OS, v6.0 (Marshmallow) | Android OS, v7.0 (Nougat) |
| User Interface | - | ColorOS 3.0 | - |
| Processor | Quad-core 1.4 GHz Cortex-A9, Exynos 4212 Quad | Octa-core 1.4 GHz Cortex-A53, Qualcomm MSM8940 Snapdragon 435 | Octa-core (4x2.3 GHz Cortex-A53 & 4x1.7 GHz Cortex-A53), Mediatek MT6757 Helio P20 |
| GPU | Mali-400MP | Adreno 505 | Mali-T880MP2 |
| RAM | 1 GB | 3 GB | 3 GB |
| Internal Memory | 16/32/64 GB storage | 32 GB | 32 GB |
| External Memory | microSD, up to 64 GB | microSD, up to 128 GB (uses SIM 2 slot) | microSD, up to 256 GB |
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| Type | Super AMOLED capacitive touchscreen | IPS LCD capacitive touchscreen | Capacitive Touchscreen |
| Colors | 16M colors | 16M colors | 16M colors |
| Size | 4.8 inches | 5.2 inches | 5.7 inches |
| Resolution | 720 x 1280 pixels (306 ppi) | 720 x 1280 pixels (282 ppi) | 1080 x 1920 pixels (386 ppi) |
| Screen-to-Body Ratio | 65.84% | 68.79% | - |
| Multi-Touch |  |
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| 3.5mm Jack | |
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| Radio | Stereo FM radio with RDS | FM radio | To be confirmed |
| Games | Yes + Downloadable | Yes + Downloadable | Yes + Downloadable |
| Loud Speaker | |
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| Rear Camera | 8 MP, 3264x2448 pixels | 13 MP | 13 MP |
| Flash | LED flash | LED Flash | LED Flash |
| Features | Auto focus, Simultaneous HD Video And Image Recording, Geo-tagging, Touch Focus, Face And Smile Detection, Image Stabilization | Phase Detection Autofocus, f/2.2, Geo-tagging, Touch Focus, Face Detection, HDR, Panorama | Autofocus, f/1.9, Geo-tagging, Touch Focus, Face Detection, Panorama, HDR |
| Video | Yes, 1080p@30fps | 1080p@30fps | 1080p@30fps |
| Front Camera | Yes, 1.9 MP, 720p@30fps [Similar] | 16 MP [Similar] | 13 MP, f/1.9 [Similar] |
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| GPRS | Class 12 (4+1/3+2/2+3/1+4 slots), 32 - 48 kbps | Yes | Yes |
| Edge | Class 12 | Yes | Yes |
| 3G | HSDPA, 21 Mbps; HSUPA, 5.76 Mbps | HSPA, LTE, VoLTE | HSPA, LTE |
| Bluetooth | Yes, v4.0 with A2DP, EDR | v4.1, A2DP | v4.1, A2DP, LE |
| Wi-Fi | Wi-Fi 802.11 a/b/g/n, DLNA, Wi-Fi Direct, Wi-Fi hotspot | Wi-Fi 802.11 a/b/g/n, hotspot | Wi-Fi 802.11 b/g/n, Wi-Fi Direct, hotspot |
| USB | Yes, microUSB v2.0 (MHL), USB On-the-go | microUSB v2.0, USB Host | microUSB v2.0, USB On-The-Go |
| GPS | Yes, with A-GPS support and GLONASS | Yes, with A-GPS | Yes, with A-GPS, GLONASS/ BDS (region dependent) |
| Browser | HTML, Adobe Flash | HTML5 | HTML5 |
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| Internal | 16/32/64 GB storage, 1 GB RAM | 32 GB, 3 GB RAM | 32 GB, 3 GB RAM |
| Expandable Storage | microSD, up to 64 GB | microSD, up to 128 GB (uses SIM 2 slot) | microSD, up to 256 GB |
| 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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| NFC | |
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| Type | Standard battery, Li-Ion | Non-removable Li-Ion Battery | Non-removable Li-Ion battery |
| Capacity | 2100 mAh | 2900 mAh | - |
| Stand by | Up to 830Hr (2G)/up to 770Hr hours (3G) | - | - |
| Talk Time | Up to 1350Min (2G)/up to 700Min hours (3G) | - | - |
