Phone Comparison - Samsung Galaxy Grand Duos I9082 vs BLU Life One vs ZTE Nubia Z7 mini
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| Manufacturer | Samsung | BLU | ZTE |
| Announced | December 2012 | March 2013 | July 2014 |
| Status | Available - January 2013 | Available - April 2013 | Available - July 2014 |
| Colors | Black, White | Black, White | Black, White, Red, Green, Yellow |
| Form Factor | Candybar | Candybar | Candybar |
| Dimension |
143.5 x 76.9 x 9.6 mm (5.65 x 3.03 x 0.38 in) |
144 x 73 x 8.9 mm (5.67 x 2.87 x 0.35 in) |
140.9 x 69.3 x 8.2 mm (5.55 x 2.73 x 0.32 in) |
| Weight | 162 g (5.71 oz) | 145 g (5.11 oz) | 143 g (5.04 oz) |
| 2G Network | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 |
| 3G Network | HSDPA 850 / 1900 / 2100 - SIM 1 only HSDPA 900 / 1900 / 2100 - SIM 1 only |
HSDPA 850 / 1900 / 2100 | HSDPA 850 / 900 / 1900 / 2100 |
| 4G Network | - | - | LTE 1800 / 2100 / 2600 |
| Messaging | SMS, MMS, EMail, IM | SMS, MMS, Push Mail, EMail, IM | SMS, MMS, Push Mail, EMail, IM |
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| OS | Android OS, v4.1.2 (Jelly Bean) | Android OS, v4.2 (Jelly Bean) | Android OS, v4.4.2 (KitKat) |
| Processor | Dual-core 1.2 GHz Cortex-A9, Broadcom | Quad-core 1.2 GHz Cortex-A7, MTK MT6589 | Quad-core 2.0 GHz Krait 400, Qualcomm MSM8974AA Snapdragon 801 |
| GPU | Broadcom VideoCore IV | PowerVR Series 5XT | Adreno 330 |
| RAM | 1 GB | 1 GB | 2 GB |
| Internal Memory | 8 GB | 16 GB ROM | 16 GB |
| External Memory | microSD, up to 64 GB | microSD, up to 32 GB | microSD, up to 64 GB |
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| Type | Capacitive touchscreen | LED-backlit IPS LCD capacitive touchscreen | Capacitive touchscreen |
| Colors | 16M colors | 16M colors | 16M colors |
| Size | 5.0 inches | 5.0 inches | 5.0 inches |
| Resolution | 480 x 800 pixels (187 ppi) | 720 x 1280 pixels (294 ppi) | 1080 x 1920 pixels (445 ppi) |
| Screen-to-Body Ratio | 64.20% | 65.44% | 69.19% |
| Multi-Touch |  |
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| 3.5mm Jack | |
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| Radio | Stereo FM radio with RDS | Stereo FM radio | FM radio |
| Games | Yes + Downloadable | Yes + Downloadable | Yes + Downloadable |
| Loud Speaker | |
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| Rear Camera | 8 MP, 3264x2448 pixels | 13 MP, 4032 x 3224 pixels | 13 MP, 4128 x 3096 pixels |
| Flash | LED flash | LED flash | LED flash |
| Features | Auto focus, Geo-tagging, Touch Focus, Face And Smile Detection, Image Stabilization | Auto focus, Geo-tagging, Touch Focus, Image Stabilization, Face And Smile Detection, HDR | Auto focus, Geo-tagging, Touch Focus, Face Detection, Panorama, HDR |
| Video | Yes, 1080p@30fps | Yes, 1080p@30fps | 1080p@30fps |
| Front Camera | Yes, 2 MP [Similar] | Yes, 5 MP [Similar] | 5 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, 21 Mbps; HSUPA, 5.76 Mbps | HSDPA, 42 Mbps; HSUPA, 21 Mbps | HSDPA, HSUPA, LTE |
| Bluetooth | Yes, v4.0 with A2DP, LE, EDR | Yes, v4.0 | v4.0, A2DP |
| Wi-Fi | Wi-Fi 802.11 a/b/g/n, Wi-Fi hotspot | Wi-Fi 802.11 b/g/n, Wi-Fi Direct, 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 | microUSB v2.0 |
| 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 | 8 GB, 1 GB RAM | 16 GB ROM, 1 GB RAM | 16 GB, 2 GB RAM |
| Expandable Storage | microSD, up to 64 GB | microSD, up to 32 GB | microSD, up to 64 GB |
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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 | Li-Ion Battery | Li-Ion Battery |
| Capacity | 2100 mAh | 2000 mAh | 2300 mAh |
| Stand by | Up to 440 h | Up to 850 h (2G) Up to 760 h (3G) |
Up to 580 h (3G) |
| Talk Time | Up to 10 h 10 min | Up to 25 h (2G) Up to 20 h (3G) |
Up to 30 h (3G) |
