Phone Comparison - Karbonn A99 vs Nokia Lumia 630 Dual SIM vs Huawei Ascend Mate7
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| Manufacturer | Karbonn | Nokia | Huawei |
| Announced | October 2013 | April 2014 | September 2014 |
| Status | Available - October 2013 | Available - May 2014 | Coming Soon - Q3 2014 |
| Colors | White, Black | Green, yellow, white, black | Obsidian black, Moonlight silver, Amber gold |
| Form Factor | Candybar | Candybar | Candybar |
| Dimension | - |
129.5 x 66.7 x 9.2 mm (5.1 x 2.63 x 0.36 in) |
157 x 81 x 7.9 mm (6.18 x 3.19 x 0.31 in) |
| Weight | - | 134 g (4.73 oz) | 185 g (6.53 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 900 / 2100 | HSDPA |
| 4G Network | - | - | LTE |
| Messaging | SMS, MMS, EMail, IM | SMS, MMS, Push Mail, EMail, IM | SMS, MMS, Push Mail, EMail |
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| OS | Android OS, v4.2.2 (Jelly Bean) | Microsoft Windows Phone 8.1 | Android OS, v4.4 (KitKat) |
| Processor | Dual-core 1.3 GHz, MTK 6572 | Quad-core 1.2 GHz Cortex-A7, Qualcomm Snapdragon 400 | Quad-core 1.8 GHz Cortex-A15 & quad-core 1.3 GHz Cortex-A7, HiSilicon Kirin 925 |
| GPU | Mali-400MP | - | Mali-T628 |
| RAM | 512 MB | 512 MB | 2 GB |
| Internal Memory | 4 GB | 8 GB ROM | 16/32 GB |
| External Memory | microSD, up to 32 GB | microSD, up to 128 GB | Yes, up to 32 GB |
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| Type | IPS LCD Capacitive Touchscreen, Wide Viewing Angle | IPS LCD Capacitive Touchscreen | IPS LCD Capacitive Touchscreen, Corning Gorilla Glass 3 |
| Colors | 16M colors | 16M colors | 16M colors |
| Size | 3.97 inches | 4.5 inches | 6.0 inches |
| Resolution | 480 x 800 pixels (235 ppi) | 480 x 854 pixels (218 ppi) | 1080 x 1920 pixels (368 ppi) |
| Screen-to-Body Ratio | - | 64.43% | 77.68% |
| Multi-Touch |  |
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| 3.5mm Jack | |
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| Radio | FM radio | FM radio | - |
| Games | Yes + Downloadable | Yes + Downloadable | Yes + Downloadable |
| Loud Speaker | |
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| Rear Camera | 5 MP, 2592х1944 pixels | 5 MP, 2592 х 1944 pixels | 13 MP, 4128 x 3096 pixels |
| Flash | LED Flash | No | LED flash |
| Features | - | Auto focus, 1/4' Sensor Size, Geo-tagging, Panorama | Auto focus, Geo-tagging, Face Detection, HDR, Panorama |
| Video | Yes, 720p | Yes, 720p@30fps | 1080p@30fps |
| Front Camera | Yes [Similar] | No [Similar] | 5 MP, 720p [Similar] |
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| GPRS | Yes | Yes | Yes |
| Edge | Yes | Yes | Yes |
| 3G | HSDPA, 21 Mbps; HSUPA, 5.76 Mbps | HSDPA, 21 Mbps; HSUPA, 5.76 Mbps | HSDPA, 42 Mbps, HSUPA, 5.8 Mbps; LTE, Cat6, 50 Mbps UL, 150 Mbps DL |
| Bluetooth | Yes, v2.0 A2DP, EDR | Yes, v4.0 with A2DP | v4.0, A2DP, EDR, LE |
| Wi-Fi | Wi-Fi 802.11 b/g/n, Wi-Fi hotspot | Wi-Fi 802.11 b/g/n, DLNA, Wi-Fi hotspot | Wi-Fi 802.11 a/b/g/n, dual-band, DLNA, Wi-Fi Direct, Wi-Fi hotspot |
| USB | Yes, microUSB v2.0 | Yes, microUSB v2.0 | microUSB v2.0, USB Host, USB On-the-go |
| GPS | Yes | Yes, with A-GPS support and GLONASS | Yes, with A-GPS, GLONASS |
| Browser | HTML | HTML5 | HTML5 |
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| Internal | 4 GB ROM, 512 MB RAM | 8 GB ROM, 512 MB RAM | 16/32 GB, 2 GB RAM (3GB on 32GB model) |
| Expandable Storage | microSD, up to 32 GB | microSD, up to 128 GB | Yes, 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 | Li-Ion Battery (BL-5H) | Non-removable Li-Ion Battery |
| Capacity | 1400 mAh | 1830 mAh | 4100 mAh |
| Stand by | - | Up to 648 h | Up to 648 h (3G) |
| Talk Time | - | Up to 16 h 24 min (2G) Up to 13 h 6 min (3G) |
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