Phone Comparison - Panasonic P51 vs Xiaomi Redmi Note 4G vs Gionee Elife S5.1
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| Manufacturer | Panasonic | Xiaomi | Gionee |
| Announced | May 2013 | August 2014 | August 2014 |
| Status | Available - May 2013 | Available - November 2014 | Available - September 2014 |
| Colors | Black, White | Black/White | Black, White, Blue, Pink |
| Form Factor | Candybar | Candybar | Candybar |
| Dimension |
144 x 75 x 8.5 mm (5.67 x 2.95 x 0.33 in) |
154 x 78.7 x 9.5 mm (6.06 x 3.1 x 0.37 in) |
139.8 x 67.4 x 5.15 mm (5.5 x 2.65 x 0.2 in) |
| Weight | 135 g (4.76 oz) | 199 g (7.02 oz) | 140 g (4.94 oz) |
| 2G Network | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 | GSM 900 / 1800 / 1900 | GSM 850 / 900 / 1800 / 1900 |
| 3G Network | HSDPA 900 / 2100 | TD-SCDMA 1900 / 2000 | HSDPA 850 / 900 / 2100 - D2403 HSDPA 850 / 1700 / 1900 / 2100 |
| 4G Network | - | TD-LTE 1900 / 2300 / 2600 | LTE 800 / 850 / 900 / 1800 / 1900 / 2100 / 2600 |
| Messaging | SMS, MMS, Push Mail, EMail, IM | SMS, MMS, EMail, IM | SMS, MMS, Push Mail, EMail, IM |
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| OS | Android OS, v4.2 (Jelly Bean) | Android OS, v4.2 (Jelly Bean) | Android OS, v4.3 (Jelly Bean) |
| Processor | Quad-core 1.2 GHz Cortex-A7, MTK MT6589 | Quad-core 1.6 GHz Cortex-A7, Qualcomm MSM8928 Snapdragon 400 | Quad-core 1.2 GHz Cortex-A7, Qualcomm MSM8926 Snapdragon 400 |
| GPU | PowerVR SGX544 | Adreno 305 | Adreno 305 |
| RAM | 1 GB | 2 GB | 1 GB |
| Internal Memory | 4 GB storage | 8 GB | 16 GB |
| External Memory | microSD, up to 32 GB | microSD, up to 64 GB | No |
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| Type | IPS LCD capacitive touchscreen | IPS LCD capacitive touchscreen | Super AMOLED Capacitive Touchscreen |
| Colors | 16M colors | 16M colors | 16M colors |
| Size | 5.0 inches | 5.5 inches | 4.8 inches |
| Resolution | 720 x 1280 pixels (294 ppi) | 720 x 1280 pixels (267 ppi) | 720 x 1280 pixels (306 ppi) |
| Screen-to-Body Ratio | 63.69% | 68.82% | 67.39% |
| Multi-Touch |  |
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| 3.5mm Jack | |
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| Radio | FM radio | FM radio | FM radio with RDS |
| Games | Yes + Downloadable | Yes + Downloadable | Yes + Downloadable |
| Loud Speaker | |
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| Rear Camera | 8 MP, 3264 x 2448 pixels | 13 MP, 4128 x 3096 pixels | 8 MP, 3264 x 2448 pixels |
| Flash | LED flash | LED flash | LED flash |
| Features | Auto focus, Geo-tagging, Touch Focus, Face Detection | Auto focus, Geo-tagging, Touch Focus, Face And Smile Detection, HDR | Auto focus, Geo-tagging, Touch Focus, Face And Smile Detection, HDR, Panorama |
| Video | Yes, 1080p | 1080p@30fps | 720p@30fps |
| Front Camera | Yes, 1.3 MP, 720p [Similar] | 5 MP [Similar] | Yes, 5 MP [Similar] |
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| GPRS | Yes | Yes | Up to 107 kbps |
| Edge | Yes | Yes | Up to 296 kbps |
| 3G | HSDPA, 21 Mbps; HSUPA, 11 Mbps | TD-SCDMA; LTE | HSDPA, 42 Mbps; HSUPA, 5.76 Mbps; LTE, Cat4, 50 Mbps UL, 150 Mbps DL, 50 Mbps UL, 150 Mbps DL |
| Bluetooth | Yes, v4.0 with A2DP, EDR | v4.0, A2DP, LE | v4.0, A2DP, apt-X, 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, dual-band, Wi-Fi Direct, DLNA, Wi-Fi hotspot |
| USB | Yes, microUSB v2.0, USB On-the-go | microUSB v2.0, USB On-the-go | microUSB v2.0, USB On-the-go, USB Host |
| GPS | Yes, with A-GPS support | Yes, with A-GPS, GLONASS | Yes, with A-GPS, GLONASS |
| Browser | HTML5 | HTML5 | HTML5 |
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| Internal | 4 GB storage, 1 GB RAM | 8 GB, 2 GB RAM | 16 GB, 1 GB RAM |
| Expandable Storage | microSD, up to 32 GB | microSD, up to 64 GB | No |
| USB OTG | Supported | 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-Po Battery | Non-removable Li-Ion Battery |
| Capacity | 2500 mAh | 3200 mAh | 2100 mAh |
| Stand by | - | Up to 775 h (3G) | - |
| Talk Time | - | Up to 38 h (2G) Up to 14 h (3G) |
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