Phone Comparison - Samsung Galaxy Ace Duos I589 vs Xiaomi Mi 3 vs Motorola Moto G (Gen 2)
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| Manufacturer | Samsung | Xiaomi | Motorola |
| Announced | February 2012 | September 2013 | September 2014 |
| Status | Available - February 2012 | Available - December 2013 | Available - September 2014 |
| Colors | Black | Various | White, Black |
| Form Factor | Candybar | Candybar | Candybar |
| Dimension |
112.4 x 59.9 x 12.5 mm (4.43 x 2.36 x 0.49 in) |
144 x 73.6 x 8.1 mm (5.67 x 2.9 x 0.32 in) |
141.5 x 70.7 x 11 mm (5.57 x 2.78 x 0.43 in) |
| Weight | 122 g (4.3 oz) | 145 g (5.11 oz) | 149 g (5.26 oz) |
| 2G Network | CDMA 800 / 1900 GSM 900 / 1800 |
GSM 850 / 900 / 1800 / 1900 | GSM 850 / 900 / 1800 / 1900 CDMA2000 1xEV-DO - CDMA version |
| 3G Network | CDMA2000 1xEV-DO | HSDPA 850 / 900 / 1900 / 2100 | HSDPA 850 / 900 / 1900 / 2100 HSDPA 850 / 900 / 1700 / 1900 / 2100 - USA version |
| Messaging | SMS, MMS | SMS, MMS, EMail, IM | SMS, MMS, Push Mail, EMail, IM |
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| OS | Android OS, v2.2 (Froyo) | Android OS, v4.4 (KitKat) optimized with MIUI version 5 | Android OS, v4.4.4 (KitKat), upgradable to Android L |
| Processor | 800 MHz, Qualcomm MSM7627 | Quad-core 2.3 GHz Krait 400, Qualcomm MSM8274AB Snapdragon 800 | Quad-core 1.2 GHz Cortex-A7, Qualcomm MSM8226 Snapdragon 400 |
| GPU | Adreno 330 | Adreno 305 | |
| RAM | N/A | 2 GB | 1 GB |
| Internal Memory | N/A | 16/64 GB | 8/16 GB |
| External Memory | microSD, up to 32 GB | No | microSD, up to 32 GB |
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| Type | TFT capacitive touchscreen | IPS LCD capacitive touchscreen | IPS LCD Capacitive Touchscreen, Corning Gorilla Glass 3 |
| Colors | 16M colors | 16M colors | 16M colors |
| Size | 3.5 inches | 5.0 inches | 5.0 inches |
| Resolution | 320 x 480 pixels (165 ppi) | 1080 x 1920 pixels (441 ppi) | 720 x 1280 pixels (294 ppi) |
| Screen-to-Body Ratio | 54.06% | 64.90% | 68.76% |
| Multi-Touch |  |
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| 3.5mm Jack | |
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| Radio | Stereo FM radio with RDS | FM radio | FM radio |
| Games | Yes | Yes + Downloadable | Yes + Downloadable |
| Loud Speaker | |
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| Rear Camera | 3.15 MP, 2048x1536 pixels | 13 MP, 4128 x 3096 pixels | 8 MP, 3264 x 2448 pixels |
| Flash | No | dual-LED flash | LED flash |
| Features | Geo-tagging | Auto focus, Geo-tagging, Touch Focus, Face And Smile Detection, Image Stabilization, HDR | Auto focus, Geo-tagging, Touch Focus, Face Detection, HDR, Panorama |
| Video | Yes | 1080p@30fps, HDR | 720p@30fps, stereo sound rec., HDR |
| Front Camera | No [Similar] | 2 MP, 1080p@30fps [Similar] | 2 MP [Similar] |
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| GPRS | Yes | Yes | Yes |
| Edge | Yes | Yes | Yes |
| 3G | Rev. A, up to 3.1 Mbps | DC-HSDPA, 42 Mbps; HSDPA, 21 Mbps; HSUPA, 5.76 Mbps | HSDPA, 21 Mbps; HSUPA, 5.76 Mbps |
| Bluetooth | Yes, v3.0 with A2DP | v4.0, A2DP | v4.0, A2DP, LE |
| Wi-Fi | Wi-Fi 802.11 b/g/n, Wi-Fi hotspot | Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, Wi-Fi hotspot | Wi-Fi 802.11 a/b/g/n/ac, Wi-Fi hotspot |
| USB | Yes, v2.0 microUSB | microUSB v2.0 (MHL), USB On-the-go | microUSB v2.0, USB Host |
| GPS | Yes, with A-GPS support | Yes, with A-GPS, GLONASS | Yes, with A-GPS, GLONASS |
| Browser | HTML | HTML5 | HTML5 |
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| Internal | 16/64 GB, 2 GB RAM | 8/16 GB, 1 GB RAM | |
| Expandable Storage | microSD, up to 32 GB | No | microSD, up to 32 GB |
| 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 | Standard battery, Li-Ion | Non-removable Li-Ion Battery | Non-removable Li-Ion Battery |
| Capacity | 1650 mAh | 3050 mAh | 2070 mAh |
| Stand by | Up to 500 h | - | |
| Talk Time | Up to 4 h | - | |
