Phone Comparison - Lenovo A390 vs Lenovo S939 vs Xiaomi Mi 3
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| Manufacturer | Lenovo | Lenovo | Xiaomi |
| Announced | April 2013 | February 2014 | September 2013 |
| Status | Available - April 2013 | Available - February 2014 | Available - December 2013 |
| Colors | Black, White | Black, White | Various |
| Form Factor | Candybar | Candybar | Candybar |
| Dimension |
125.6 x 64 x 10.1 mm (4.94 x 2.52 x 0.4 in) |
170 x 86.5 x 8.65 mm (6.69 x 3.41 x 0.34 in) |
144 x 73.6 x 8.1 mm (5.67 x 2.9 x 0.32 in) |
| Weight | 131 g (4.62 oz) | 180 g (6.35 oz) | 145 g (5.11 oz) |
| 2G Network | GSM 900 / 1800 - SIM 1 & SIM 2 | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 | GSM 850 / 900 / 1800 / 1900 |
| 3G Network | HSDPA 2100 | HSDPA 2100 | HSDPA 850 / 900 / 1900 / 2100 |
| Messaging | SMS, MMS, EMail, IM | SMS, MMS, Push Mail, EMail, IM | SMS, MMS, EMail, IM |
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| OS | Android OS, v4.0.4 (Ice Cream Sandwich) | Android OS, v4.2.2 (Jelly Bean) | Android OS, v4.4 (KitKat) optimized with MIUI version 5 |
| Processor | Dual-core 1 GHz, MTK 6577 | Octa-core 1.7 GHz, Mediatek MT6592 | Quad-core 2.3 GHz Krait 400, Qualcomm MSM8274AB Snapdragon 800 |
| GPU | PowerVR SGX531 | Mali-450MP4 | Adreno 330 |
| RAM | 512 MB | 1 GB | 2 GB |
| Internal Memory | 4 GB | 8 GB ROM | 16/64 GB |
| External Memory | microSD, up to 32 GB | microSD, up to 32 GB | No |
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| Type | Capacitive touchscreen | IPS LCD Capacitive Touchscreen, OGS | IPS LCD capacitive touchscreen |
| Colors | - | 16M colors | 16M colors |
| Size | 4.0 inches | 6.0 inches | 5.0 inches |
| Resolution | 480 x 800 pixels (233 ppi) | 720 x 1280 pixels (245 ppi) | 1080 x 1920 pixels (441 ppi) |
| Screen-to-Body Ratio | 56.77% | 67.36% | 64.90% |
| Multi-Touch |  |
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| 3.5mm Jack | |
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| Radio | FM radio | FM Radio with Recording | FM radio |
| Games | Yes + Downloadable | Yes + Downloadable | Yes + Downloadable |
| Loud Speaker | |
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| Rear Camera | 5 MP, 2592 х 1944 pixels | 8 MP, 3264x2448 pixels | 13 MP, 4128 x 3096 pixels |
| Flash | No | LED flash | dual-LED flash |
| Features | Geo-tagging | Auto focus, Geo-tagging, Touch Focus, Face Detection, 360 degree Panorama, HDR, Image Stabilization | Auto focus, Geo-tagging, Touch Focus, Face And Smile Detection, Image Stabilization, HDR |
| Video | Yes | Yes, 1080p@30fps | 1080p@30fps, HDR |
| Front Camera | No [Similar] | Yes, 1.6 MP [Similar] | 2 MP, 1080p@30fps [Similar] |
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| GPRS | Yes | Yes | Yes |
| Edge | Yes | Yes | Yes |
| 3G | HSDPA, HSUPA | HSDPA, 42.2 Mbps, HSUPA, 11.5 Mbps | DC-HSDPA, 42 Mbps; HSDPA, 21 Mbps; HSUPA, 5.76 Mbps |
| Bluetooth | Yes | Yes, v4.0 | v4.0, A2DP |
| Wi-Fi | Wi-Fi 802.11 b/g/n, Wi-Fi hotspot | 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 |
| USB | Yes, microUSB v2.0 | Yes, microUSB v2.0 | microUSB v2.0 (MHL), USB On-the-go |
| GPS | Yes, with A-GPS support | Yes, with A-GPS support | Yes, with A-GPS, GLONASS |
| Browser | HTML5 | HTML5 | HTML5 |
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| Internal | 4 GB, 512 MB RAM | 8 GB ROM, 1 GB RAM | 16/64 GB, 2 GB RAM |
| Expandable Storage | microSD, up to 32 GB | microSD, up to 32 GB | No |
| USB OTG | - | - | 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 | 1500 mAh | 3000 mAh | 3050 mAh |
| Stand by | Up to 220 h (2G) Up to 180 h (3G) |
- | Up to 500 h |
| Talk Time | Up to 14 h (2G) Up to 9 h (3G) |
- | Up to 4 h |
