Phone Comparison - Asus Zenfone 6 vs Xiaomi Redmi Note vs Samsung Galaxy Note 4
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| Manufacturer | Asus | Xiaomi | Samsung |
| Announced | January 2014 | March 2014 | September 2014 |
| Status | Available - June 2014 | Available - March 2014 | Available - October 2014 |
| Colors | Black, White, Red, Gold | Various | Frosted white, Charcoal black, Bronze Gold, Blossom Pink |
| Form Factor | Candybar | Candybar | Candybar |
| Dimension |
166.9 x 84.3 x 5.5-9.9 mm (6.57 x 3.32 x 0.22-0.39 in) |
154 x 78.7 x 9.45 mm (6.06 x 3.1 x 0.37 in) |
153.5 x 78.6 x 8.5 mm (6.04 x 3.09 x 0.33 in) |
| Weight | 196 g (6.91 oz) | 199 g (7.02 oz) | 176 g (6.21 oz) |
| 2G Network | GSM 850 / 900 / 1800 / 1900 | GSM 900 / 1800 / 1900 - SIM 1 & SIM 2 | GSM 850 / 900 / 1800 / 1900 |
| 3G Network | HSDPA 850 / 900 / 1900 / 2100 | HSDPA 1900 / 2100 | HSDPA 850 / 900 / 1900 / 2100 |
| 4G Network | - | - | LTE 800 / 850 / 900 / 1800 / 2100 / 2600 |
| Messaging | SMS, MMS, Push Mail, EMail, IM | SMS, MMS, EMail, IM | SMS, MMS, EMail, IM |
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| OS | Android OS, v4.3 (Jelly Bean), upgradable to v4.4.2 (KitKat) | Android OS, v4.2 (Jelly Bean) | Android OS, v4.4.4 (KitKat) |
| Processor | Dual-core 2 GHz, Intel Atom Z2580 | Octa-core 1.4 GHz Cortex-A7 / Octa-core 1.7 GHz Cortex-A7, Mediatek MT6592 | Quad-core 2.7 GHz Krait 450 (SM-N910S) Quad-core 1.3 GHz Cortex-A53 & 1.9GHz quad-core Cortex-A57 (SM-N910C), Qualcomm Snapdragon 805 (SM-N910S) Exynos 5433 (SM-N910C) |
| GPU | PowerVR SGX544MP2 | Mali-450MP4 | Adreno 420 (SM-N910S) Mali-T760 (SM-N910C) |
| RAM | 1/2 GB | 1/2 GB | 3 GB |
| Internal Memory | 8/16/32 GB | 8 GB | 32 GB |
| External Memory | microSD, up to 64 GB | microSD, up to 32 GB | microSD, up to 64 GB |
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| Type | IPS LCD Capacitive Touchscreen, Corning Gorilla Glass 3 | IPS LCD capacitive touchscreen | Super AMOLED Capacitive Touchscreen, Corning Gorilla Glass 3 |
| Colors | 16M colors | 16M colors | 16M colors |
| Size | 6.0 inches | 5.5 inches | 5.7 inches |
| Resolution | 720 x 1280 pixels (245 ppi) | 720 x 1280 pixels (267 ppi) | 1440 x 2560 pixels (515 ppi) |
| Screen-to-Body Ratio | 70.40% | 68.82% | 74.32% |
| Multi-Touch |  |
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| 3.5mm Jack | |
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| Radio | No | 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 | 16 MP, 3456 x 4608 pixels |
| Flash | LED flash | LED flash | LED Flash |
| Features | Auto focus, Geo-tagging, Touch Focus, Face Detection | Auto focus, Geo-tagging, Touch Focus, Face And Smile Detection, HDR | Auto focus, Smart OIS, Dual Shot, Simultaneous HD Video And Image Recording, Geo-tagging, Touch Focus, Face And Smile Detection, Image Stabilization, Panorama, HDR |
| Video | Yes | 1080p@30fps | 2160p@30fps, 1080p@60fps, optical stabilization |
| Front Camera | Yes, 2 MP [Similar] | 5 MP [Similar] | 3.7 MP, 1080p@30fps [Similar] |
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| GPRS | Yes | Yes | Yes |
| Edge | Yes | Yes | Yes |
| 3G | HSDPA, 42.2 Mbps; HSUPA, 5.76 Mbps | HSPA+ | HSDPA, 42 Mbps; HSUPA; LTE, Cat4 (N910C), Cat6 (N910S), 50 Mbps UL, 300 Mbps (N910S), 150 Mbps (N910C) DL |
| Bluetooth | Yes, v4.0 with A2DP, EDR | v4.0, A2DP, LE | v4.1, A2DP, EDR, LE |
| Wi-Fi | Wi-Fi 802.11 b/g/n, Wi-Fi Direct, Wi-Fi hotspot | Wi-Fi 802.11 b/g/n, Wi-Fi Direct, Wi-Fi hotspot | Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, DLNA, Wi-Fi hotspot |
| USB | Yes, microUSB v2.0 | microUSB v2.0, USB On-the-go | microUSB v2.0 (MHL 2), USB Host |
| GPS | Yes, with A-GPS support | Yes, with A-GPS | Yes, with A-GPS, GLONASS, Baidu |
| Browser | HTML | HTML5 | HTML5 |
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| Internal | 8/16/32 GB, 1/2 GB RAM | 8 GB, 1/2 GB RAM | 32 GB, 3 GB RAM |
| Expandable Storage | microSD, up to 64 GB | microSD, up to 32 GB | microSD, up to 64 GB |
| USB OTG | - | 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 | Non-removable Li-Po Battery | Li-Po Battery | Li-Ion Battery |
| Capacity | 3300 mAh | 3100 mAh | 3220 mAh |
| Stand by | Up to 398 h (3G) | - | - |
| Talk Time | Up to 28 h (3G) | - | - |
