Phone Comparison - Lenovo Vibe Z K910 vs Alcatel One Touch Idol X+ vs ZTE Grand S II S291
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| Manufacturer | Lenovo | Alcatel | ZTE |
| Announced | November 2013 | January 2014 | January 2014 |
| Status | Available - January 2014 | Coming Soon - Q2 2014 | Available - March 2014 |
| Colors | Black | Black, White | Silver |
| Form Factor | Candybar | Candybar | Candybar |
| Dimension |
7.9 mm thickness (0.31 in thickness) |
140.4 x 69.1 x 7.9 mm (5.53 x 2.72 x 0.31 in) |
157 x 77 x 9.1 mm (6.18 x 3.03 x 0.36 in) |
| Weight | 147 g (5.19 oz) | 125 g (4.41 oz) | 150 g (5.29 oz) |
| 2G Network | GSM 850 / 900 / 1800 / 1900 | GSM 850 / 900 / 1800 / 1900 | GSM 850 / 900 / 1800 / 1900 |
| 3G Network | HSDPA 2100 | HSDPA 900 / 2100 | HSDPA 900 / 2100 |
| 4G Network | LTE | - | LTE 1800 / 2100 / 2600 (Bands 1, 3, 7) |
| Messaging | SMS, MMS, EMail, IM | SMS, MMS, Push Mail, EMail, IM | SMS, MMS, Push Mail, EMail, IM |
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| OS | Android OS, v4.3 (Jelly Bean) | Android OS, v4.2 (Jelly Bean) | Android OS, v4.3 (Jelly Bean) |
| Processor | Quad-core 2.2 GHz Krait 400, Qualcomm Snapdragon 800 | Octa-core 2 GHz Cortex-A7, Mediatek MT6592 | Quad-core 2.3 GHz Krait 400, Qualcomm Snapdragon 800 |
| GPU | Adreno 330 | PowerVR SGX544 | Adreno 330 |
| RAM | 2 GB | 2 GB | 2 GB |
| Internal Memory | 16 GB ROM | 16 GB | 16 GB storage |
| External Memory | microSD, up to 32 GB | microSD, up to 32 GB | microSD, up to 32 GB |
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| Type | IPS LCD Capacitive Touchscreen | IPS LCD capacitive touchscreen | Capacitive touchscreen |
| Colors | 16M colors | 16M colors | 16M colors |
| Size | 5.5 inches | 5.0 inches | 5.5 inches |
| Resolution | 1080 x 1920 pixels (401 ppi) | 1080 x 1920 pixels (441 ppi) | 1080 x 1920 pixels (401 ppi) |
| Screen-to-Body Ratio | - | 70.90% | 68.82% |
| Multi-Touch |  |
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| 3.5mm Jack | |
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| Radio | - | FM Radio with RDS, FM Recording | - |
| Games | Yes + Downloadable | Yes + Downloadable | Yes + Downloadable |
| Loud Speaker | |
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| Rear Camera | 13 MP, 4128 x 3096 pixels | 13.1 MP, 4208 x 3120 pixels | 13 MP, 4128 x 3096 pixels |
| Flash | Dual-LED flash | LED flash | LED flash |
| Features | Auto focus, Geo-tagging, Touch Focus, Face Detection | Auto focus, Geo-tagging, Touch Focus, Face Detection | Auto focus, Geo-tagging, Touch Focus, Face Detection |
| Video | Yes, 1080p@30fps | Yes, 1080p@30fps | Yes, 1080p@30fps |
| Front Camera | Yes, 5 MP [Similar] | Yes, 2.1 MP [Similar] | Yes, 2 MP, 1080p@30fps [Similar] |
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| GPRS | Yes | Yes | Yes |
| Edge | Yes | Yes | Yes |
| 3G | DC-HSDPA, 42 Mbps; HSDPA, 21 Mbps; HSUPA, 5.76 Mbps; LTE, Cat3, 50 Mbps UL, 150 Mbps DL | HSDPA, 21 Mbps; HSUPA, 5.76 Mbps | HSPA+, LTE |
| Bluetooth | Yes, v4.0 with A2DP | Yes, v4.0 with A2DP | Yes, v4.0 with A2DP |
| 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 Direct, Wi-Fi hotspot | Wi-Fi 802.11 a/b/g/n, dual-band, DLNA, Wi-Fi hotspot |
| USB | Yes, microUSB v2.0 | Yes, microUSB v2.0 | Yes, microUSB v2.0 |
| GPS | Yes, with A-GPS support | Yes, with A-GPS support | Yes, with A-GPS support |
| Browser | HTML5 | HTML5 | HTML5 |
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| Internal | 16 GB ROM, 2 GB RAM | 16 GB, 2 GB RAM | 16 GB storage, 2 GB RAM |
| Expandable Storage | microSD, up to 32 GB | microSD, up to 32 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 | - | Non-removable Li-Ion Battery | Non-removable Li-Ion Battery |
| Capacity | - | 2500 mAh | 3000 mAh |
| Stand by | - | Up to 320 h (2G) Up to 240 h (3G) |
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| Talk Time | - | Up to 20 h (2G) Up to 12 h (3G) |
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