Phone Comparison - Xiaomi Redmi Note 4G vs Xiaomi Mi Note 2015 vs Lenovo K4 Note
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| Manufacturer | Xiaomi | Xiaomi | Lenovo |
| Announced | August 2014 | January 2015 | January 2016 |
| Status | Available - November 2014 | Available - January 2015 | Available - January 2016 |
| Price | - | - | Rs. 10,999 ($161.75) [Similarly Priced] |
| Colors | Black/White | Black, White | Black |
| Form Factor | Candybar | Candybar | Candybar |
| Dimension |
154 x 78.7 x 9.5 mm (6.06 x 3.1 x 0.37 in) |
155.1 x 77.6 x 7 mm (6.11 x 3.06 x 0.28 in) |
153.6 x 76.5 x 9.15 mm (6.05 x 3.01 x 0.36 in) |
| Weight | 199 g (7.02 oz) | 161 g (5.68 oz) | 158 g (5.57 oz) |
| 2G Network | GSM 900 / 1800 / 1900 | GSM 900 / 1800 / 1900 - SIM 1 & SIM 2 | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 |
| 3G Network | TD-SCDMA 1900 / 2000 | HSDPA | HSDPA 900 / 1900 / 2100 |
| 4G Network | TD-LTE 1900 / 2300 / 2600 | LTE - SIM 1 & SIM 2 | LTE |
| Messaging | SMS, MMS, EMail, IM | SMS, MMS, EMail, IM | SMS, MMS, EMail, IM |
| Build Features | - | Corning Gorilla Glass 3 Back Panel | - Fingerprint Sensor - Dual Front Speakers - Fast Charging |
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| OS | Android OS, v4.2 (Jelly Bean) | Android OS, v4.4.x (KitKat) | Android OS, v5.1 (Lollipop) |
| Processor | Quad-core 1.6 GHz Cortex-A7, Qualcomm MSM8928 Snapdragon 400 | Quad-core 2.5 GHz Krait 400, Qualcomm Snapdragon 801 | Octa-core 1.3 GHz Cortex-A53, Mediatek MT6753 |
| GPU | Adreno 305 | Adreno 330 | Mali-T720MP3 |
| RAM | 2 GB | 3 GB | 3 GB |
| Internal Memory | 8 GB | 16/64 GB | 16 GB |
| External Memory | microSD, up to 64 GB | - | microSD, up to 128 GB |
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| Type | IPS LCD capacitive touchscreen | IPS LCD Capacitive Touchscreen, Corning Gorilla Glass 3 | Capacitive Touchscreen, Corning Gorilla Glass 3 |
| Colors | 16M colors | 16M colors | 16M colors |
| Size | 5.5 inches | 5.7 inches | 5.5 inches |
| Resolution | 720 x 1280 pixels (267 ppi) | 1080 x 1920 pixels (386 ppi) | 1080 x 1920 pixels (401 ppi) |
| Screen-to-Body Ratio | 68.82% | 74.60% | 70.80% |
| 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 | 13 MP, 4128 x 3096 pixels | 13 MP, 4128 x 3096 pixels | 13 MP, 4208 x 3120 pixels |
| Flash | LED flash | dual-LED (dual tone) | Dual-LED (Dual Tone) |
| Features | Auto focus, Geo-tagging, Touch Focus, Face And Smile Detection, HDR | Auto focus, Geo-tagging, Touch Focus, Face/smile Detection, HDR, Panorama | Phase Detection Auto focus, 1/3.06' Sensor Size, Geo-tagging, Touch Focus, Face Detection, HDR, Panorama |
| Video | 1080p@30fps | 1080p@30fps | 1080p@30fps |
| Front Camera | 5 MP [Similar] | 4 MP, 1080p, 1/3 [Similar] | 5 MP, 1080p [Similar] |
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| GPRS | Yes | Yes | Yes |
| Edge | Yes | Yes | Yes |
| 3G | TD-SCDMA; LTE | HSPA, LTE Cat4 150/50 Mbps | HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps |
| Bluetooth | v4.0, A2DP, LE | v4.0, A2DP, LE | v4.0, A2DP, LE |
| Wi-Fi | Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, Wi-Fi hotspot | Wi-Fi 802.11 b/g/n, Wi-Fi Direct, hotspot | Wi-Fi 802.11 a/b/g/n, dual-band, Wi-Fi Direct, hotspot |
| USB | microUSB v2.0, USB On-the-go | microUSB v2.0, USB Host | microUSB v2.0, USB Host, Fast Charge 2.0 |
| GPS | Yes, with A-GPS, GLONASS | Yes, with A-GPS, GLONASS, Beidou | Yes, with A-GPS, GLONASS |
| Browser | HTML5 | HTML5 | HTML5 |
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| Internal | 8 GB, 2 GB RAM | 16/64 GB, 3 GB RAM | 16 GB, 3 GB RAM |
| Expandable Storage | microSD, up to 64 GB | - | microSD, up to 128 GB |
| USB OTG | Supported | Supported | 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-Po Battery | Li-Ion Battery | Non-removable Li-Po Battery |
| Capacity | 3200 mAh | 3000 mAh | 3300 mAh |
| Stand by | Up to 775 h (3G) | - | Up to 265 h |
| Talk Time | Up to 38 h (2G) Up to 14 h (3G) |
- | Up to 22 h |
