Phone Comparison - Lenovo K900 vs Karbonn K9 Jumbo vs Lenovo Vibe Z K910
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| Manufacturer | Lenovo | Karbonn | Lenovo |
| Announced | January 2013 | 2012 | November 2013 |
| Status | Available - April 2013 | Available | Available - January 2014 |
| Colors | Black | Black, Red | Black |
| Form Factor | Candybar | Candybar | Candybar |
| Dimension |
157 x 78 x 6.9 mm (6.18 x 3.07 x 0.27 in) |
115 x 50 x 15.5 mm (4.53 x 1.97 x 0.61 in) |
7.9 mm thickness (0.31 in thickness) |
| Weight | 162 g (5.71 oz) | 112 g (3.95 oz) | 147 g (5.19 oz) |
| 2G Network | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 | GSM 900 / 1800 - SIM 1 & SIM 2 | GSM 850 / 900 / 1800 / 1900 |
| 3G Network | HSDPA 2100 | N/A | HSDPA 2100 |
| 4G Network | - | - | LTE |
| Messaging | SMS, MMS, EMail, IM | SMS, MMS | SMS, MMS, EMail, IM |
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| OS | Android OS, v4.2 (Jelly Bean) | - | Android OS, v4.3 (Jelly Bean) |
| Processor | Dual-core 2.0 GHz, Intel Atom Z2580 | - | Quad-core 2.2 GHz Krait 400, Qualcomm Snapdragon 800 |
| GPU | PowerVR SGX544 | - | Adreno 330 |
| RAM | 2 GB | N/A | 2 GB |
| Internal Memory | 16 GB | - | 16 GB ROM |
| External Memory | microSD, up to 32 GB | microSD, up to 16 GB | microSD, up to 32 GB |
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| Type | IPS LCD capacitive touchscreen | TFT | IPS LCD Capacitive Touchscreen |
| Colors | 16M colors | 256K colors | 16M colors |
| Size | 5.5 inches | 2.4 inches | 5.5 inches |
| Resolution | 1080 x 1920 pixels (401 ppi) | 240 x 320 pixels (167 ppi) | 1080 x 1920 pixels (401 ppi) |
| Screen-to-Body Ratio | 67.94% | 30.90% | - |
| Multi-Touch |  |
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| 3.5mm Jack | |
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| Radio | Stereo FM radio | FM radio, FM recording | - |
| Games | Yes + Downloadable | Yes + Downloadable | Yes + Downloadable |
| Loud Speaker | |
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| Rear Camera | 13 MP, autofocus | 1.3 MP, 1280 x 1024 pixels | 13 MP, 4128 x 3096 pixels |
| Flash | dual-LED flash | No | Dual-LED flash |
| Features | Geo-tagging, Touch Focus, Face Detection | - | Auto focus, Geo-tagging, Touch Focus, Face Detection |
| Video | Yes, 1080p@30fps | Yes, VGA | Yes, 1080p@30fps |
| Front Camera | Yes, 2 MP [Similar] | No [Similar] | Yes, 5 MP [Similar] |
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| GPRS | Yes | Yes | Yes |
| Edge | Yes | Yes | Yes |
| 3G | HSPA+ | N/A | DC-HSDPA, 42 Mbps; HSDPA, 21 Mbps; HSUPA, 5.76 Mbps; LTE, Cat3, 50 Mbps UL, 150 Mbps DL |
| Bluetooth | Yes, with A2DP | Yes, with A2DP | Yes, v4.0 with A2DP |
| Wi-Fi | Wi-Fi 802.11 a/b/g/n, dual band, Wi-Fi hotspot | No | Wi-Fi 802.11 a/b/g/n, dual band, Wi-Fi hotspot |
| USB | Yes, microUSB v2.0 | Yes | Yes, microUSB v2.0 |
| GPS | Yes, with A-GPS support | No | Yes, with A-GPS support |
| Browser | HTML5 | WAP | HTML5 |
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| Phonebook | Practically unlimited entries and fields, Photocall | 1000 entries | Practically unlimited entries and fields, Photocall |
| Call Records | Practically unlimited | Yes | Practically unlimited |
| Internal | 16 GB, 2 GB RAM | - | 16 GB ROM, 2 GB RAM |
| Expandable Storage | microSD, up to 32 GB | microSD, up to 16 GB | microSD, up to 32 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 | Li-Ion battery | Li-Ion Battery | - |
| Capacity | 2500 mAh | 1800 mAh | - |
| Stand by | - | Up to 300 h | - |
| Talk Time | - | Up to 6 h | - |
