Phone Comparison - Lenovo K80 vs Lenovo ZUK Z2 vs Xiaomi Redmi Note 4 (MediaTek)
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| Manufacturer | Lenovo | Lenovo | Xiaomi |
| Announced | April 2015 | May 2016 | August 2016 |
| Status | Available - April 2015 | Available - June 2016 | Available - August 2016 |
| Price | Rs. 18,300 ($269.12) [Similarly Priced] | Rs. 18,000 ($275.00) [Similarly Priced] | Rs. 9,060 ($135.00) [Similarly Priced] |
| Colors | Black, Silver, Red | Titanium Black, Ceramic White | Gold, Silver, Gray |
| Form Factor | Candybar | Candybar | Candybar |
| Dimension |
8.5 mm thickness (0.33 in thickness) |
141.7 x 68.9 x 8.5 mm (5.58 x 2.71 x 0.33 in) |
151 x 76 x 8.35 mm (5.94 x 2.99 x 0.33 in) |
| Weight | - | 149 g (5.26 oz) | 175 g (6.17 oz) |
| SIM Type | - | - | Dual SIM Hybrid (Nano SIM + Micro SIM, or Micro SIM + microSD Card) |
| 2G Network | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 TD-SCDMA |
GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 |
| 3G Network | HSDPA 2100 | HSDPA 850 / 900 / 1900 / 2100 | HSDPA 2100 |
| 4G Network | LTE | LTE band 1(2100), 2(1900), 3(1800), 4(1700/2100), 5(850), 7(2600), 8(900), 38(2600), 39(1900), 40(2300), 41(2500) | LTE |
| Messaging | SMS, MMS, EMail, IM | SMS, MMS, EMail, IM | SMS, MMS, Push Mail, EMail |
| Build Features | - | - Fingerprint Sensor -Metal Frame |
- Fingerprint Sensor - Infrared Sensor |
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| OS | Android OS, v5.0 (Lollipop) | Android OS, v6.0.1 (Marshmallow) | Android OS, v6.0.1 (Marshmallow) |
| Processor | Quad-core 1.8 GHz | Dual-core 2.15 GHz Kryo & dual-core 1.6 GHz Kryo, Qualcomm MSM8996 Snapdragon 820 | 2.3 GHz dual-core Cortex-A72 & 2 GHz quad-core Cortex-A53 & 1.4 GHz quad-core Cortex-A53, Mediatek MT6797 Helio X20 |
| GPU | - | Adreno 530 | Mali-T880 MP4 |
| RAM | 4 GB | 4 GB | 2/3 GB |
| Internal Memory | 64 GB | 64 GB | 32/64 GB |
| External Memory | microSD, up to 32 GB | No | microSD, up to 128 GB |
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| Type | IPS capacitive touchscreen | LTPS IPS LCD capacitive touchscreen | IPS LCD 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 | - | 70.46% | 72.50% |
| Multi-Touch |  |
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| 3.5mm Jack | |
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| Radio | FM radio | No | - |
| Games | Yes + Downloadable | Yes + Downloadable | Yes + Downloadable |
| Loud Speaker | |
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| Rear Camera | 13 MP, 4128 x 3096 pixels | 13 MP, f/2.2 | 13 MP |
| Flash | optical image stabil | Yes | Dual-LED (Dual Tone) |
| Features | Geo-tagging, Touch Focus, Face Detection, HDR, Panorama | Phase Detection Auto-Focus, Geo-tagging, Touch Focus, Face Detection, Panorama, HDR | Phase Detection Autofocus, f/2.0, Geo-tagging, Touch Focus, Face Detection, Panorama, HDR |
| Video | 1080p@30fps | 2160p@30fps | 2160p@30fps, 1080p@30fps, 720p@120fps |
| Front Camera | Yes [Similar] | 8 MP, 1080p@30fps [Similar] | 5 MP, 1080p, f/2.0 [Similar] |
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| GPRS | Yes | Yes | Yes |
| Edge | Yes | Yes | Yes |
| 3G | HSPA, LTE Cat4 150/50 Mbps | HSPA 42.2/5.76 Mbps, LTE Cat6 300/50 Mbps | HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps, VoLTE |
| Bluetooth | v4.0, A2DP | v4.1, A2DP, LE | v4.2, A2DP, LE |
| Wi-Fi | Wi-Fi 802.11 a/b/g/n, dual-band, hotspot | Wi-Fi 802.11 a/b/g/n/ac, dual-band, WiFi Direct, hotspot | Wi-Fi 802.11 a/b/g/n/ac, dual-band, WiFi Direct, hotspot |
| USB | microUSB v2.0 | v2.0, Type-C reversible connector | microUSB v2.0, USB On-The-Go |
| GPS | Yes, with A-GPS | Yes, with A-GPS, GLONASS, BDS | Yes, with A-GPS |
| Browser | HTML5 | HTML5 | HTML5 |
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| Internal | 64 GB, 4 GB RAM 32 GB, 2 GB RAM |
64 GB, 4 GB RAM | 32/64 GB, 2/3 GB RAM |
| Expandable Storage | microSD, up to 32 GB | No | microSD, up to 128 GB |
| USB OTG | - | - | Yes |
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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 | Non-removable Li-Ion Battery |
| Capacity | 4000 mAh | 3500 mAh | 4100 mAh |
| Stand by | - | - | - |
| Talk Time | - | - | - |
