Phone Comparison - Lenovo S939 vs BLU Life Pure XL vs Xiaomi Mi 4
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| Manufacturer | Lenovo | BLU | Xiaomi |
| Announced | February 2014 | April 2014 | July 2014 |
| Status | Available - February 2014 | Available - May 2014 | Available - Q3 2014 |
| Colors | Black, White | Black, White | Black, White |
| Form Factor | Candybar | Candybar | Candybar |
| Dimension |
170 x 86.5 x 8.65 mm (6.69 x 3.41 x 0.34 in) |
150.6 x 75 x 9.5 mm (5.93 x 2.95 x 0.37 in) |
139.2 x 68.5 x 8.9 mm (5.48 x 2.7 x 0.35 in) |
| Weight | 180 g (6.35 oz) | 152 g (5.36 oz) | 149 g (5.26 oz) |
| 2G Network | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 | GSM 850 / 900 / 1800 / 1900 | GSM 850 / 900 / 1800 / 1900 |
| 3G Network | HSDPA 2100 | HSDPA 850 / 1900 / 2100 | HSDPA 850 / 900 / 1900 / 2100 |
| 4G Network | - | - | LTE |
| Messaging | SMS, MMS, Push Mail, EMail, IM | SMS, MMS, Push Mail, EMail, IM | SMS, MMS, EMail, IM |
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| OS | Android OS, v4.2.2 (Jelly Bean) | Android OS, v4.2.2 (Jelly Bean), upgradable to v4.4.2 (KitKat) | Android OS, v4.4.3 (KitKat) |
| Processor | Octa-core 1.7 GHz, Mediatek MT6592 | Quad-core 2.2 GHz Krait 400, Qualcomm MSM8274AB Snapdragon 800 | Quad-core 2.5 GHz Krait 400, Qualcomm MSM8974AC Snapdragon 801 |
| GPU | Mali-450MP4 | Adreno 330 | Adreno 330 |
| RAM | 1 GB | 3 GB | 3 GB |
| Internal Memory | 8 GB ROM | 32 GB | 16/64 GB |
| External Memory | microSD, up to 32 GB | No | No |
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| Type | IPS LCD Capacitive Touchscreen, OGS | LTPS LCD capacitive touchscreen | IPS LCD capacitive touchscreen |
| Colors | 16M colors | 16M colors | 16M colors |
| Size | 6.0 inches | 5.5 inches | 5.0 inches |
| Resolution | 720 x 1280 pixels (245 ppi) | 1080 x 1920 pixels (401 ppi) | 1080 x 1920 pixels (441 ppi) |
| Screen-to-Body Ratio | 67.36% | 73.66% | 72.14% |
| Multi-Touch |  |
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| 3.5mm Jack | |
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| Radio | FM Radio with Recording | Stereo FM radio | FM radio |
| Games | Yes + Downloadable | Yes + Downloadable | Yes + Downloadable |
| Loud Speaker | |
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| Rear Camera | 8 MP, 3264x2448 pixels | 16 MP, 3456 x 4608 pixels | 13 MP, 4128 x 3096 pixels |
| Flash | LED flash | LED flash | Dual-LED Flash |
| Features | Auto focus, Geo-tagging, Touch Focus, Face Detection, 360 degree Panorama, HDR, Image Stabilization | Auto focus, 1.34 µm Pixel Size, 1/2.3' Sensor Size, Geo-tagging, Touch Focus, Face Detection, Image Stabilization, HDR, Panorama | Auto focus, 1/3' Sensor Size, 1.12µm Pixel Size, Geo-tagging, Touch Focus, Face And Smile Detection, HDR |
| Video | Yes, 1080p@30fps | Yes, 1080p@30fps | 2160p, 1080p@30fps, HDR |
| Front Camera | Yes, 1.6 MP [Similar] | Yes, 8 MP, autofocus [Similar] | 8 MP, 1080p@30fps [Similar] |
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| GPRS | Yes | Class 12 (4+1/3+2/2+3/1+4 slots), 32 - 48 kbps | Yes |
| Edge | Yes | Class 12 | Yes |
| 3G | HSDPA, 42.2 Mbps, HSUPA, 11.5 Mbps | HSDPA, 21 Mbps; HSUPA, 5.76 Mbps | DC-HSDPA, 42 Mbps; HSDPA, 21 Mbps; HSUPA, 5.76 Mbps; LTE |
| Bluetooth | Yes, v4.0 | Yes, v4.0 | v4.0, A2DP |
| 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, DLNA, Wi-Fi hotspot | Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, DLNA, Wi-Fi hotspot |
| USB | Yes, microUSB v2.0 | Yes, microUSB v2.0, USB On-the-go | 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 | 8 GB ROM, 1 GB RAM | 32 GB, 3GB RAM (L260L)/ 16 GB, 2 GB RAM (L259L) | 16/64 GB, 3 GB RAM |
| Expandable Storage | microSD, up to 32 GB | No | 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 | Non-removable Li-Po Battery | Non-removable Li-Ion Battery |
| Capacity | 3000 mAh | 2500 mAh | 3080 mAh |
| Stand by | - | Up to 800 h (2G) Up to 600 h (3G) |
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| Talk Time | - | Up to 17 h (2G) Up to 15 h (3G) |
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