Phone Comparison - Lenovo K900 vs Lenovo Vibe Z2 Pro vs Samsung Galaxy Note 4 Duos
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| Manufacturer | Lenovo | Lenovo | Samsung |
| Announced | January 2013 | August 2014 | October 2014 |
| Status | Available - April 2013 | Available - September 2014 | Available - October 2014 |
| Colors | Black | Black, Gold, White | Frosted white, Charcoal black, Bronze Gold, Blossom Pink |
| Form Factor | Candybar | Candybar | Candybar |
| Dimension |
157 x 78 x 6.9 mm (6.18 x 3.07 x 0.27 in) |
156 x 81.3 x 7.7 mm (6.14 x 3.2 x 0.3 in) |
153.5 x 78.6 x 8.5 mm (6.04 x 3.09 x 0.33 in) |
| Weight | 162 g (5.71 oz) | 179 g (6.31 oz) | 175 g (6.17 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 TD-SCDMA 1880 / 2010 - SIM 1 |
| 3G Network | HSDPA 2100 | HSDPA 850 / 900 / 1700 / 1900 / 2100 | HSDPA 850 / 900 / 1900 / 2100 - SIM 1 |
| 4G Network | - | LTE 800 / 850 / 900 / 1800 / 2100 / 2600 | LTE 1800 / 2100 / 2600 (Bands 1, 3, 7) - SIM 1 |
| Messaging | SMS, MMS, EMail, IM | SMS, MMS, EMail, IM | SMS, MMS, EMail, IM |
| Build Features | - | - | - Fingerprint sensor (PayPal certified) - S Pen stylus |
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| OS | Android OS, v4.2 (Jelly Bean) | Android OS, v4.4.2 (KitKat) | Android OS, v4.4.4 (KitKat) |
| Processor | Dual-core 2.0 GHz, Intel Atom Z2580 | Quad-core 2.5 GHz Krait 400, Qualcomm MSM8974AC Snapdragon 801 | Quad-core 2.7 GHz Krait 450, Qualcomm Snapdragon 805 |
| GPU | PowerVR SGX544 | Adreno 330 | Adreno 420 |
| RAM | 2 GB | 3 GB | 3 GB |
| Internal Memory | 16 GB | 32 GB | 16 GB |
| External Memory | microSD, up to 32 GB | No | microSD, up to 128 GB |
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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 | 5.5 inches | 6.0 inches | 5.7 inches |
| Resolution | 1080 x 1920 pixels (401 ppi) | 1440 x 2560 pixels (490 ppi) | 1440 x 2560 pixels (515 ppi) |
| Screen-to-Body Ratio | 67.94% | 78.10% | 74.32% |
| Multi-Touch |  |
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| 3.5mm Jack | |
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| Radio | Stereo FM radio | - | No |
| Games | Yes + Downloadable | Yes + Downloadable | Yes + Downloadable |
| Loud Speaker | |
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| Rear Camera | 13 MP, autofocus | 16 MP, 3456 x 4608 pixels | 16 MP, 5312 x 2988 pixels |
| Flash | dual-LED flash | optical image stabil | optical image stabil |
| Features | Geo-tagging, Touch Focus, Face Detection | Geo-tagging, Touch Focus, Face Detection, Panorama, HDR | Dual Shot, Simultaneous HD Video And Image Recording, Geo-tagging, Touch Focus, Face/smile Detection, Panorama, HDR |
| Video | Yes, 1080p@30fps | 2160p@30fps, 1080p@30fps, optical stabilization | 2160p@30fps, 1080p@60fps, optical stabilization, dual-video rec. |
| Front Camera | Yes, 2 MP [Similar] | Yes [Similar] | 3.7 MP, 1440p [Similar] |
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| GPRS | Yes | Yes | Yes |
| Edge | Yes | Yes | Yes |
| 3G | HSPA+ | HSDPA, 42 Mbps; HSUPA; LTE, Cat4, 50 Mbps UL, 150 Mbps DL | HSDPA, HSUPA, LTE |
| Bluetooth | Yes, with A2DP | v4.0, A2DP | v4.1, A2DP, EDR, LE |
| Wi-Fi | Wi-Fi 802.11 a/b/g/n, dual band, Wi-Fi hotspot | Wi-Fi 802.11 a/b/g/n, dual band, Wi-Fi hotspot | Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, Wi-Fi hotspot |
| USB | Yes, microUSB v2.0 | microUSB v2.0 | microUSB v2.0 (MHL 3), USB Host, USB On-the-go |
| GPS | Yes, with A-GPS support | Yes, with A-GPS, GLONASS | Yes, with A-GPS, GLONASS, Beidou |
| Browser | HTML5 | HTML5 | HTML5 |
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| Internal | 16 GB, 2 GB RAM | 32 GB, 3 GB RAM | 16 GB, 3 GB RAM |
| Expandable Storage | microSD, up to 32 GB | No | microSD, up to 128 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 | 4000 mAh | 3000 mAh |
| Stand by | - | - | Up to 381 h (3G) |
| Talk Time | - | - | - |
