Phone Comparison - Panasonic P51 vs HTC One Mini vs Karbonn Titanium S7
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| Manufacturer | Panasonic | HTC | Karbonn |
| Announced | May 2013 | July 2013 | November 2013 |
| Status | Available - May 2013 | Available - August 2013 | Available - December 2013 |
| Colors | Black, White | Black, Silver | Black |
| Form Factor | Candybar | Candybar | Candybar |
| Dimension |
144 x 75 x 8.5 mm (5.67 x 2.95 x 0.33 in) |
132 x 63.2 x 9.3 mm (5.2 x 2.49 x 0.37 in) |
143.5 x 72 x 9.3 mm (5.65 x 2.83 x 0.37 in) |
| Weight | 135 g (4.76 oz) | 122 g (4.3 oz) | - |
| 2G Network | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 | GSM 850 / 900 / 1800 / 1900 | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 |
| 3G Network | HSDPA 900 / 2100 | HSDPA 900 / 1900 / 2100 - EMEA version HSDPA 850 / 900 / 1900 / 2100 - Asia version HSDPA 850 / 1900 / 2100 - AT&T version |
HSDPA 2100 |
| 4G Network | - | LTE 800 / 1800 / 2600 - EMEA version LTE 900 / 1800 / 2100 / 2600 - Asia version LTE 700 / 850 / 1700 / 1900 / 2100 - AT&T version |
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| Messaging | SMS, MMS, Push Mail, EMail, IM | SMS, MMS, Push Mail, EMail | SMS, MMS, Push Mail, EMail, IM |
| Build Features | - | - | Smart Gestures, Blow to Unlock, ifloat |
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| OS | Android OS, v4.2 (Jelly Bean) | Android OS, v4.2.2 (Jelly Bean) | Android OS, v4.2 (Jelly Bean) |
| Processor | Quad-core 1.2 GHz Cortex-A7, MTK MT6589 | Dual-core 1.4 GHz Krait 300, Qualcomm Snapdragon 400 | Quad-core 1.5 GHz, MTK 6589T |
| GPU | PowerVR SGX544 | Adreno 305 | PowerVR SGX544 |
| RAM | 1 GB | 1 GB | N/A |
| Internal Memory | 4 GB storage | 16 GB | 16 GB ROM |
| External Memory | microSD, up to 32 GB | No | microSD, up to 32 GB |
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| Type | IPS LCD capacitive touchscreen | Super LCD2 Capacitive Touchscreen, Corning Gorilla Glass 3 | TFT Capacitive Touchscreen, OGS Display |
| Colors | 16M colors | 16M colors | 16.7M colors |
| Size | 5.0 inches | 4.3 inches | 5.0 inches |
| Resolution | 720 x 1280 pixels (294 ppi) | 720 x 1280 pixels (342 ppi) | 1080 x 1920 pixels (441 ppi) |
| Screen-to-Body Ratio | 63.69% | 60.93% | 66.58% |
| Multi-Touch |  |
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| 3.5mm Jack | |
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| Radio | FM radio | Yes | FM Radio with Recording |
| Games | Yes + Downloadable | Yes + Downloadable | Yes + Downloadable |
| Loud Speaker | |
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| Rear Camera | 8 MP, 3264 x 2448 pixels | 4 MP, 2688 x 1520 pixels | 13 MP, 4128 x 3096 pixels |
| Flash | LED flash | LED flash | LED flash |
| Features | Auto focus, Geo-tagging, Touch Focus, Face Detection | 1/3'' sensor size, 2µm pixel size, geo-tagging, face and smile detection | Auto focus, Geo-tagging, Touch Focus, Face Detection, 360 degree Panorama, HDR, Image Stabilization |
| Video | Yes, 1080p | Yes, 1080p@30fps, HDR | Yes, 1080p@30fps |
| Front Camera | Yes, 1.3 MP, 720p [Similar] | Yes, 1.6 MP, 720p [Similar] | Yes, 2 MP, 1080p [Similar] |
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| GPRS | Yes | Yes | Yes |
| Edge | Yes | Yes | Yes |
| 3G | HSDPA, 21 Mbps; HSUPA, 11 Mbps | HSDPA, HSUPA, LTE | HSDPA, 42.2 Mbps, HSUPA, 11.5 Mbps |
| Bluetooth | Yes, v4.0 with A2DP, EDR | Yes, v4.0 with A2DP | Yes, v4.0 |
| Wi-Fi | Wi-Fi 802.11 b/g/n, Wi-Fi hotspot | Wi-Fi 802.11 a/b/g/n, dual band, DLNA | Wi-Fi 802.11 b/g/n, Wi-Fi hotspot |
| USB | Yes, microUSB v2.0, USB On-the-go | Yes, microUSB v2.0 | Yes, microUSB v2.0 |
| GPS | Yes, with A-GPS support | Yes, with A-GPS support and GLONASS | Yes, with A-GPS support |
| Browser | HTML5 | HTML5 | HTML5 |
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| Internal | 4 GB storage, 1 GB RAM | 16 GB, 1 GB RAM | 16 GB ROM |
| Expandable Storage | microSD, up to 32 GB | No | microSD, up to 32 GB |
| 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 | Non-removable, Li-Po Battery | Li-Ion Battery |
| Capacity | 2500 mAh | 1800 mAh | 2000 mAh |
| Stand by | - | Up to 500 h (2G) Up to 692 h (3G) |
Up to 200 h |
| Talk Time | - | Up to 20 h 40 min (2G) Up to 13 h 20 min (3G) |
Up to 4 h |
