Phone Comparison - Samsung Galaxy Note 4 Duos vs Samsung Galaxy A9 Pro (2016) vs Xiaomi Redmi Note 4X
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| Price Comparison (India) | - | - | |
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| Manufacturer | Samsung | Samsung | Xiaomi |
| Announced | October 2014 | April 2016 | February 2017 |
| Status | Available - October 2014 | Available - April 2016 | Available - February 2017 |
| Price | - | Rs. 32,490 ($477.79) [Similarly Priced] | Rs. 12,750 ($180.00) [Similarly Priced] |
| Colors | Frosted white, Charcoal black, Bronze Gold, Blossom Pink | Pearl White, Midnight Black, Champagne Gold, Pink | Gold, Silver, Gray |
| Form Factor | Candybar | Candybar | Candybar |
| Dimension |
153.5 x 78.6 x 8.5 mm (6.04 x 3.09 x 0.33 in) |
161.7 x 80.9 x 7.9 mm (6.37 x 3.19 x 0.31 in) |
151 x 76 x 8.35 mm (5.94 x 2.99 x 0.33 in) |
| Weight | 175 g (6.17 oz) | 210 g (7.41 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 TD-SCDMA 1880 / 2010 - SIM 1 |
GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (optional) | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 |
| 3G Network | HSDPA 850 / 900 / 1900 / 2100 - SIM 1 | HSDPA 850 / 900 / 1900 / 2100 | HSDPA 2100 |
| 4G Network | LTE 1800 / 2100 / 2600 (Bands 1, 3, 7) - SIM 1 | LTE | LTE |
| Messaging | SMS, MMS, EMail, IM | SMS, MMS, EMail, IM | SMS, MMS, Push Mail, EMail |
| Build Features | - Fingerprint sensor (PayPal certified) - S Pen stylus |
- Fingerprint Sensor | - Fingerprint Sensor - Infrared Sensor |
| Notification LED | - | No | Yes |
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| OS | Android OS, v4.4.4 (KitKat) | Android OS, v6.0.1 (Marshmallow) | Android OS, v6.0.1 (Marshmallow) |
| Processor | Quad-core 2.7 GHz Krait 450, Qualcomm Snapdragon 805 | Quad-core 1.8 GHz Cortex-A72 & quad-core 1.2 GHz Cortex-A53, Qualcomm MSM8976 Snapdragon 652 | Octa-core 2.0 GHz Cortex-A53, Qualcomm MSM8953 Snapdragon 625 |
| GPU | Adreno 420 | Adreno 510 | Adreno 506 |
| RAM | 3 GB | 4 GB | 4 GB |
| Internal Memory | 16 GB | 32 GB | 64 GB |
| External Memory | microSD, up to 128 GB | microSD, up to 128 GB | microSD, up to 256 GB |
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| Type | Super AMOLED capacitive touchscreen | Super AMOLED Capacitive Touchscreen, Corning Gorilla Glass 4 | IPS LCD Capacitive Touchscreen, Gorilla Glass Protection |
| Colors | 16M colors | 16M colors | 16M colors |
| Size | 5.7 inches | 6.0 inches | 5.5 inches |
| Resolution | 1440 x 2560 pixels (515 ppi) | 1080 x 1920 pixels (367 ppi) | 1080 x 1920 pixels (401 ppi) |
| Screen-to-Body Ratio | 74.32% | 75.93% | 72.50% |
| Multi-Touch |  |
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| 3.5mm Jack | |
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| Radio | No | FM radio with RDS; recording | FM Radio |
| Games | Yes + Downloadable | Yes + Downloadable | Yes + Downloadable |
| Loud Speaker | |
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| Rear Camera | 16 MP, 5312 x 2988 pixels | 16 MP | 13 MP |
| Flash | optical image stabil | LED Flash | Dual-LED (Dual Tone) |
| Features | Dual Shot, Simultaneous HD Video And Image Recording, Geo-tagging, Touch Focus, Face/smile Detection, Panorama, HDR | Auto focus, OIS, f/1.9, 1/2.8" Sensor Size, Geo-tagging, Touch Focus, Face Detection, Panorama, HDR | Phase Detection Autofocus, f/2.0, Geo-tagging, Touch Focus, Face Detection, Panorama, HDR |
| Video | 2160p@30fps, 1080p@60fps, optical stabilization, dual-video rec. | 1080p@30fps | 2160p@30fps, 1080p@30fps, 720p@120fps |
| Front Camera | 3.7 MP, 1440p [Similar] | 8 MP, f/1.9, 1080p [Similar] | 5 MP, 1080p, f/2.0 [Similar] |
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| GPRS | Yes | Yes | Yes |
| Edge | Yes | Yes | Yes |
| 3G | HSDPA, HSUPA, LTE | HSPA 42.2/5.76 Mbps, LTE Cat7 350/50 Mbps | HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps, VoLTE |
| Bluetooth | v4.1, A2DP, EDR, LE | v4.1, A2DP, EDR, LE | Yes, v4.2 |
| Wi-Fi | Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, Wi-Fi 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 (MHL 3), USB Host, USB On-the-go | microUSB v2.0 | microUSB v2.0, USB On-The-Go |
| GPS | Yes, with A-GPS, GLONASS, Beidou | Yes, with A-GPS, GLONASS/ BDS (market dependant) | Yes, with A-GPS |
| Browser | HTML5 | HTML5 | HTML5 |
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| Internal | 16 GB, 3 GB RAM | 32 GB, 4 GB RAM | 64 GB, 4 GB RAM |
| Expandable Storage | microSD, up to 128 GB | microSD, up to 128 GB | microSD, up to 256 GB |
| USB OTG | Supported | - | Yes |
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| Fingerprint | |
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| Proximity Sensor | |
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| Accelerometer Sensor | |
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| Light Sensor | |
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| Magnetic-Field Sensor (Compass) | |
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| Gyroscope Sensor | |
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| NFC | |
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| Type | Li-Ion Battery | Non-removable Li-Ion battery | Non-removable Li-Ion Battery |
| Capacity | 3000 mAh | 5000 mAh | 4100 mAh |
| Stand by | Up to 381 h (3G) | - | - |
| Talk Time | - | - | - |
Rs. 33,480 
Rs. 32,490 
