Phone Comparison - Samsung Galaxy S4 Active LTE-A vs Oppo R3 vs Xiaomi Mi 3
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| Manufacturer | Samsung | Oppo | Xiaomi |
| Announced | December 2013 | June 2014 | September 2013 |
| Status | Available - December 2013 | Available - June 2014 | Available - December 2013 |
| Colors | Dive Blue, Pink | Black, white | Various |
| Form Factor | Candybar | Candybar | Candybar |
| Dimension |
139.7 x 71.3 x 9.1 mm (5.5 x 2.81 x 0.36 in) |
142.3 x 70.4 x 6.3 mm (5.6 x 2.77 x 0.25 in) |
144 x 73.6 x 8.1 mm (5.67 x 2.9 x 0.32 in) |
| Weight | 147 g (5.19 oz) | 140 g (4.94 oz) | 145 g (5.11 oz) |
| 2G Network | GSM 900 / 1800 / 1900 | GSM 850 / 900 / 1800 / 1900 | GSM 850 / 900 / 1800 / 1900 |
| 3G Network | HSDPA | TD-SCDMA 1880-1920/ 2010-2025 | HSDPA 850 / 900 / 1900 / 2100 |
| 4G Network | LTE-A | TD-LTE 1880-1920/ 2300-2400/ 2570-2620 | - |
| Messaging | SMS, MMS, EMail, IM | SMS, MMS, Push Mail, EMail | SMS, MMS, EMail, IM |
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| OS | Android OS, v4.2.2 (Jelly Bean) | Android OS, v4.3 (Jelly Bean) | Android OS, v4.4 (KitKat) optimized with MIUI version 5 |
| Processor | Quad-core 2.3 GHz Krait 400, Qualcomm MSM8974 Snapdragon 800 | Quad-core 1.6 GHz Cortex-A7, Qualcomm Snapdragon 400 | Quad-core 2.3 GHz Krait 400, Qualcomm MSM8274AB Snapdragon 800 |
| GPU | Adreno 330 | Adreno 305 | Adreno 330 |
| RAM | 2 GB | 1 GB | 2 GB |
| Internal Memory | 16/32 GB | 8 GB | 16/64 GB |
| External Memory | microSD, up to 64 GB | microSD, up to 128 GB | No |
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| Type | TFT capacitive touchscreen | IPS LCD capacitive touchscreen | IPS LCD capacitive touchscreen |
| Colors | 16M colors | 16M colors | 16M colors |
| Size | 5.0 inches | 5.0 inches | 5.0 inches |
| Resolution | 1080 x 1920 pixels (441 ppi) | 720 x 1280 pixels (294 ppi) | 1080 x 1920 pixels (441 ppi) |
| Screen-to-Body Ratio | 69.06% | 68.67% | 64.90% |
| Multi-Touch |  |
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| 3.5mm Jack | |
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| Radio | No | Stereo FM radio with RDS | 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, 3264 x 2448 pixels | 13 MP, 4128 x 3096 pixels |
| Flash | LED flash | LED flash | dual-LED flash |
| Features | Auto focus, Simultaneous HD Video And Image Recording, Geo-tagging, Touch Focus, Face And Smile Detection, Image Stabilization, HDR, Aqua Mode | Auto focus, Geo-tagging, Touch Focus, Face Detection, Panorama, HDR | Auto focus, Geo-tagging, Touch Focus, Face And Smile Detection, Image Stabilization, HDR |
| Video | Yes, 1080p@30fps | Yes, 1080p | 1080p@30fps, HDR |
| Front Camera | Yes, 2 MP,1080p@30fps [Similar] | Yes, 5 MP [Similar] | 2 MP, 1080p@30fps [Similar] |
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| GPRS | Class 33 | Yes | Yes |
| Edge | Class 33 | Yes | Yes |
| 3G | HSDPA, 42 Mbps; HSUPA, 5.76 Mbps; LTE-A, Cat4, 50 Mbps UL, 150 Mbps DL | HSPA+, LTE | DC-HSDPA, 42 Mbps; HSDPA, 21 Mbps; HSUPA, 5.76 Mbps |
| Bluetooth | Yes, v4.0 with A2DP, EDR, LE | Yes, v4.0 with A2DP | v4.0, A2DP |
| Wi-Fi | Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, DLNA, Wi-Fi hotspot | Wi-Fi 802.11 b/g/n, Wi-Fi Direct, DLNA, Wi-Fi hotspot | Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, Wi-Fi hotspot |
| USB | Yes, microUSB v2.0 (MHL 2), USB On-the-go, USB Host | Yes, microUSB v2.0 | microUSB v2.0 (MHL), USB On-the-go |
| GPS | Yes, with A-GPS support and GLONASS | Yes, with A-GPS support | Yes, with A-GPS, GLONASS |
| Browser | HTML5 | HTML5 | HTML5 |
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| Internal | 16/32 GB, 2 GB RAM | 8 GB, 1 GB RAM | 16/64 GB, 2 GB RAM |
| Expandable Storage | microSD, up to 64 GB | microSD, up to 128 GB | No |
| 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 | Li-Ion Battery | Li-Ion Battery | Non-removable Li-Ion Battery |
| Capacity | 2600 mAh | 2410 mAh | 3050 mAh |
| Stand by | - | - | Up to 500 h |
| Talk Time | - | - | Up to 4 h |
