Phone Comparison - Samsung Galaxy Note Pro 12.2 vs Xiaomi Redmi 4A vs Vivo Y66
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| Manufacturer | Samsung | Xiaomi | vivo |
| Announced | January 2014 | November 2016 | December 2016 |
| Status | Available - February 2014 | Available - November 2016 | Available - December 2016 |
| Price | Rs. 37,000 ($550.00) [Similarly Priced] | Rs. 5,999 ($92.00) [Similarly Priced] | Rs. 14,990 ($216.00) [Similarly Priced] |
| Colors | Black, White | Gold, Rose Gold, Dark Gray | Gold |
| Form Factor | Candybar | Candybar | Candybar |
| Dimension |
295.6 x 203.9 x 8 mm (11.64 x 8.03 x 0.31 in) |
139.5 x 70.4 x 8.5 mm (5.49 x 2.77 x 0.33 in) |
153.56 x 75.79 x 7.49 mm (6.05 x 2.98 x 0.29 in) |
| Weight | 750 g (26.46 oz) | 131.5 g (4.62.0.18 oz) | 157 g (5.54 oz) |
| SIM Type | - | Dual SIM Hybrid (Nano SIM + Micro SIM, or Micro SIM + microSD Card) | Dual SIM Hybrid (Nano SIM + Micro SIM, or Micro SIM + microSD Card) |
| 2G Network | N/A | GSM 900 / 1800 / 1900 - SIM 1 & SIM 2 CDMA2000 1xEV-DO |
GSM 900 / 1800 / 1900 - SIM 1 & SIM 2 CDMA2000 1xEV-DO |
| 3G Network | N/A | HSDPA 850 / 1900 / 2100 | HSDPA 850 / 1900 / 2100 |
| 4G Network | - | LTE band 1(2100), 3(1800), 7(2600), 38(2600), 39(1900), 40(2300), 41(2500) | LTE band 1(2100), 3(1800), 7(2600), 38(2600), 39(1900), 40(2300), 41(2500) |
| Messaging | , EMail, IM | SMS, MMS, EMail, IM | SMS, MMS, EMail, IM |
| Build Features | - | - Metal Body - Infrared Sensor |
- Metal Body - 2.5D Curved Glass |
| Notification LED | - | - | Yes |
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| OS | Android OS, v4.4 (KitKat) | Android OS, v6.0.1 (Marshmallow) | Android OS, v6.0.1 (Marshmallow) |
| User Interface | - | MIUI 8 | FunTouch OS 3.0 |
| Processor | Quad-core 1.9 GHz Cortex-A15 & quad-core 1.3 GHz Cortex-A7, Exynos 5420 Octa | Quad-core 1.4 GHz Cortex-A53, Qualcomm MSM8917 Snapdragon 425 | Octa-core 1.4 GHz Cortex-A53, Qualcomm MSM8937 Snapdragon 430 |
| GPU | Mali-T628 MP6 | Adreno 308 | Adreno 505 |
| RAM | 3 GB | 2 GB | 3 GB |
| Internal Memory | 32/64 GB | 16 GB | 32 GB |
| External Memory | microSD, up to 64 GB (dedicated slot) | microSD, up to 128 GB (uses SIM 2 slot) | microSD, up to 128 GB |
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| Type | Super clear LCD capacitive touchscreen | IPS LCD capacitive touchscreen | IPS LCD capacitive touchscreen |
| Colors | 16M colors | 16M colors | 16M colors |
| Size | 12.2 inches | 5.0 inches | 5.5 inches |
| Resolution | 2560 x 1600 pixels (247 ppi) | 720 x 1280 pixels (294 ppi) | 720 x 1280 pixels (267 ppi) |
| Screen-to-Body Ratio | 71.86% | 70.04% | 71.66% |
| Multi-Touch |  |
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| 3.5mm Jack | |
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| Radio | No | FM radio | FM radio |
| Games | Yes + Downloadable | Yes + Downloadable | Yes + Downloadable |
| Loud Speaker | |
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| Rear Camera | 8 MP, autofocus | 13 MP, 4160 x 3120 pixels | 13 MP, 4160 x 3120 pixels |
| Flash | LED flash | LED Flash | LED Flash |
| Features | Geo-tagging, Face/smile Detection | Phase Detection Autofocus, f/2.2, Geo-tagging, Touch Focus, Face/smile Detection, HDR, Panorama | AutoFocus, Geo-tagging, Touch Focus, Face/smile Detection, HDR, Panorama |
| Video | 1080p@30fps | 1080p@30fps | 1080p@30fps |
| Front Camera | 2 MP, 1080p@30fps [Similar] | 5 MP, f/2.2, 1080p@30fps [Similar] | 5 MP [Similar] |
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| GPRS | No | Yes | Yes |
| Edge | No | Yes | Yes |
| 3G | N/A | HSPA, LTE, EV-DO Rev.A 3.1 Mbps, VoLTE | HSPA, LTE, EV-DO Rev.A 3.1 Mbps, VoLTE |
| Bluetooth | v4.0, A2DP | v4.1, A2DP | v4.1, A2DP |
| Wi-Fi | Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, hotspot | Wi-Fi 802.11 b/g/n, Wi-Fi Direct, hotspot | Wi-Fi 802.11 b/g/n, Wi-Fi Direct, hotspot |
| USB | microUSB v3.0 (MHL TV-out), USB Host | microUSB v2.0 | microUSB v2.0 |
| GPS | Yes, with GLONASS | Yes, with A-GPS, GLONASS, BDS | Yes, with A-GPS, GLONASS, BDS |
| Browser | HTML5 | HTML5 | HTML5 |
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| Internal | 32/64 GB, 3 GB RAM | 16 GB, 2 GB RAM | 32 GB, 3 GB RAM |
| Expandable Storage | microSD, up to 64 GB (dedicated slot) | microSD, up to 128 GB (uses SIM 2 slot) | 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 | Non-removable Li-Ion Battery | Non-removable Li-Ion Battery | Non-removable Li-Ion Battery |
| Capacity | 9500 mAh | 3120 mAh | 3000 mAh |
| Stand by | - | - | - |
| Talk Time | Up to 12 h (multimedia) | - | - |
