Phone Comparison - Samsung Galaxy Note II N7100 vs Samsung Galaxy A7 (2017) vs Xiaomi Redmi Note 4X
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| Manufacturer | Samsung | Samsung | Xiaomi |
| Announced | August 2012 | January 2017 | February 2017 |
| Status | Available - September 2012 | Coming Soon - January 2017 | Available - February 2017 |
| Price | - | Rs. 33,490 ($425.00) [Similarly Priced] | Rs. 12,750 ($180.00) [Similarly Priced] |
| Colors | Titanium Gray, Marble White | Black, White, Gold, Pink | Gold, Silver, Gray |
| Form Factor | Candybar | Candybar | Candybar |
| Dimension |
151.1 x 80.5 x 9.4 mm (5.95 x 3.17 x 0.37 in) |
156.8 x 77.6 x 7.9 mm (6.17 x 3.06 x 0.31 in) |
151 x 76 x 8.35 mm (5.94 x 2.99 x 0.33 in) |
| Weight | 180 g (6.35 oz) | - | 175 g (6.17 oz) |
| SIM Type | - | Dual-SIM | Dual SIM Hybrid (Nano SIM + Micro SIM, or Micro SIM + microSD Card) |
| 2G Network | GSM 850 / 900 / 1800 / 1900 | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (dual-SIM model only) | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 |
| 3G Network | HSDPA 850 / 900 / 1900 / 2100 | HSDPA 850 / 900 / 1900 / 2100 | HSDPA 2100 |
| 4G Network | LTE 700 MHz Class 17 / 2100 | LTE band 1(2100), 3(1800), 5(850), 7(2600), 8(900), 20(800) | LTE |
| Messaging | SMS, MMS, EMail, IM | SMS, MMS, EMail, IM | SMS, MMS, Push Mail, EMail |
| Build Features | - | - Fingerprint Sensor |
- Fingerprint Sensor - Infrared Sensor |
| Notification LED | - | Yes | Yes |
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| OS | Android OS, v4.1 (Jelly Bean) | Android OS, v6.0.1 (Marshmallow) | Android OS, v6.0.1 (Marshmallow) |
| Processor | Quad-core 1.6 GHz Cortex-A9, Exynos 4412 Quad | 1.9 GHz Quad-core Cortex-A72 & 1.3 GHz Quad-core Cortex-A53, Exynos 7880 | Octa-core 2.0 GHz Cortex-A53, Qualcomm MSM8953 Snapdragon 625 |
| GPU | Mali-400MP | Mali-T860 MP4 | Adreno 506 |
| RAM | 2 GB | 3 GB | 4 GB |
| Internal Memory | 16/32/64 GB storage | 32 GB | 64 GB |
| External Memory | microSD, up to 32 GB | microSD, up to 256 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 | 5.55 inches | 5.7 inches | 5.5 inches |
| Resolution | 720 x 1280 pixels (265 ppi) | 1080 x 1920 pixels (386 ppi) | 1080 x 1920 pixels (401 ppi) |
| Screen-to-Body Ratio | 69.61% | 73.79% | 72.50% |
| Multi-Touch |  |
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| 3.5mm Jack | |
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| Radio | Stereo FM radio with RDS | FM radio | FM Radio |
| Games | Yes + Downloadable | Yes + Downloadable | Yes + Downloadable |
| Loud Speaker | |
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| Rear Camera | 8 MP, 3264x2448 pixels | 16 MP | 13 MP |
| Flash | LED flash | LED Flash | Dual-LED (Dual Tone) |
| Features | Auto focus, Geo-tagging, Touch Focus, Face And Smile Detection, Image Stabilization | Phase Detection Autofocus, f/1.9, Geo-tagging, Touch Focus, Face Detection, Panorama, HDR | Phase Detection Autofocus, f/2.0, Geo-tagging, Touch Focus, Face Detection, Panorama, HDR |
| Video | Yes, 1080p@30fps | 1080p@30fps | 2160p@30fps, 1080p@30fps, 720p@120fps |
| Front Camera | Yes, 1.9 MP [Similar] | 16 MP [Similar] | 5 MP, 1080p, f/2.0 [Similar] |
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| GPRS | Yes | Yes | Yes |
| Edge | Yes | Yes | Yes |
| 3G | HSDPA, 21 Mbps; HSUPA, 5.76 Mbps; LTE, Cat3, 50 Mbps UL, 100 Mbps DL | HSPA 42.2/5.76 Mbps, LTE Cat6 300/50 Mbps, VoLTE | HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps, VoLTE |
| Bluetooth | Yes, v4.0 with A2DP, LE, EDR | v4.2, A2DP, EDR, LE, ANT+ | Yes, v4.2 |
| Wi-Fi | Wi-Fi 802.11 a/b/g/n, dual-band, DLNA, Wi-Fi Direct, Wi-Fi hotspot | Wi-Fi 802.11 a/b/g/n, dual-band, WiFi Direct, hotspot | Wi-Fi 802.11 a/b/g/n/ac, dual-band, WiFi Direct, hotspot |
| USB | Yes, microUSB (MHL) v2.0, USB Host support | Type-C 1.0 reversible connector | microUSB v2.0, USB On-The-Go |
| GPS | Yes, with A-GPS support and GLONASS | Yes, with A-GPS, GLONASS/ BDS (market dependant) | Yes, with A-GPS |
| Browser | HTML5 | HTML5 | HTML5 |
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| Internal | 16/32/64 GB storage, 2 GB RAM | 32 GB, 3 GB RAM | 64 GB, 4 GB RAM |
| Expandable Storage | microSD, up to 32 GB | microSD, up to 256 GB | microSD, up to 256 GB |
| USB OTG | Supported | Supported | 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 | Standard battery, Li-Ion | Non-removable Li-Ion battery | Non-removable Li-Ion Battery |
| Capacity | 3100 mAh | 3600 mAh | 4100 mAh |
| Stand by | Up to 980 h (2G) Up to 890 h (3G) |
- | - |
| Talk Time | Up to 35 h (2G) Up to 16 h (3G) |
- | - |
