Phone Comparison - Xiaomi Redmi Note 4X vs Samsung Galaxy J2 (2017) vs vivo V7
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| Manufacturer | Xiaomi | Samsung | vivo |
| Announced | February 2017 | October 2017 | November 2017 |
| Status | Available - February 2017 | Available - October 2017 | Available - November 2017 |
| Price | Rs. 12,750 ($180.00) [Similarly Priced] | Rs. 7,390 ($120.00) [Similarly Priced] | Rs. 18,990 ($299.00) [Similarly Priced] |
| Colors | Gold, Silver, Gray | Metallic Gold, Absolute Black | Champagne Gold, Matte Black |
| Form Factor | Candybar | Candybar | Candybar |
| Dimension |
151 x 76 x 8.35 mm (5.94 x 2.99 x 0.33 in) |
136.5 x 69 x 8.4mm (5.37 x 2.72 x 0.33in) |
149.3 x 72.8 x 7.9 mm (5.88 x 2.87 x 0.31 in) |
| Weight | 175 g (6.17 oz) | 130 g (4.59 oz) | 139 g (4.9 oz) |
| SIM Type | Dual SIM Hybrid (Nano SIM + Micro SIM, or Micro SIM + microSD Card) | Dual-SIM | Dual SIM (Nano-SIM, dual stand-by) |
| 2G Network | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (dual-SIM model only) | GSM 900 / 1800 - SIM 1 & SIM 2 |
| 3G Network | HSDPA 2100 | HSDPA 850 / 900 / 1900 / 2100 - J320F, J3109 | HSDPA 850 / 900 / 2100 |
| 4G Network | LTE | LTE band 1(2100), 3(1800), 5(850), 7(2600), 8(900), 20(800) - J320F | LTE band 1(2100), 3(1800), 5(850), 7(2600), 8(900), 40(2300), 41(2500) |
| Messaging | SMS, MMS, Push Mail, EMail | SMS, MMS, EMail, IM | SMS, MMS, Push Mail, EMail |
| Build Features | - Fingerprint Sensor - Infrared Sensor |
- Smart Manager | - Fingerprint Sensor |
| Notification LED | Yes | No | No |
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| OS | Android OS, v6.0.1 (Marshmallow) | Android OS, v7.1 (Nougat) | Android 7.1.2 (Nougat) |
| User Interface | MIUI 8 | - | FunTouch OS 3.2 |
| Processor | Octa-core 2.0 GHz Cortex-A53, Qualcomm MSM8953 Snapdragon 625 | Quad-core 1.3 GHz Cortex-A7, Exynos | Octa-core 1.8 GHz Cortex-A53, Qualcomm Snapdragon 450 |
| GPU | Adreno 506 | Mali-400MP2 | Adreno 506 |
| RAM | 4 GB | 1 GB | 4 GB |
| Internal Memory | 64 GB | 8 GB | 32 GB |
| External Memory | microSD, up to 256 GB | microSD, up to 128 GB (dedicated slot) | microSD, up to 256 GB (dedicated slot) |
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| Type | IPS LCD Capacitive Touchscreen, Gorilla Glass Protection | Super AMOLED capacitive touchscreen | IPS LCD Capacitive Touchscreen |
| Colors | 16M colors | 16M colors | 16M colors |
| Size | 5.5 inches | 4.7 inches | 5.7 inches |
| Resolution | 1080 x 1920 pixels (401 ppi) | 540 x 960 pixels (234 ppi) | 720 x 1440 pixels (282 ppi) |
| Screen-to-Body Ratio | 72.50% | 64.85% | 77.39% |
| Multi-Touch |  |
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| 3.5mm Jack | |
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| Radio | FM Radio | FM radio, RDS, recording | FM radio, recording |
| Games | Yes + Downloadable | Yes + Downloadable | Yes + Downloadable |
| Loud Speaker | |
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| Rear Camera | 13 MP | 5 MP, 2592 х 1944 pixels | 16 MP |
| Flash | Dual-LED (Dual Tone) | LED Flash | LED Flash |
| Features | Phase Detection Autofocus, f/2.0, Geo-tagging, Touch Focus, Face Detection, Panorama, HDR | Autofocus, Geo-tagging, Touch Focus, Face Detection | Phase Detection Autofocus, f/2.0, 1/3" Sensor Size, 1.0 µm Pixel Size, Geo-tagging, Touch Focus, Face Detection, HDR |
| Video | 2160p@30fps, 1080p@30fps, 720p@120fps | 720p@30fps | 1080p@30fps |
| Front Camera | 5 MP, 1080p, f/2.0 [Similar] | 2 MP [Similar] | 24 MP, f/2.0 [Similar] |
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| GPRS | Yes | Yes | Yes |
| Edge | Yes | Yes | Yes |
| 3G | HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps, VoLTE | HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps, VoLTE | HSPA, LTE, VoLTE |
| Bluetooth | Yes, v4.2 | v4.1, A2DP | 4.2, A2DP, LE |
| Wi-Fi | Wi-Fi 802.11 a/b/g/n/ac, dual-band, WiFi Direct, hotspot | Wi-Fi 802.11 b/g/n, Wi-Fi Direct, hotspot | Wi-Fi 802.11 b/g/n, WiFi Direct, DLNA, hotspot |
| USB | microUSB v2.0, USB On-The-Go | microUSB v2.0, USB On-The-Go | microUSB 2.0, USB On-The-Go |
| GPS | Yes, with A-GPS | Yes, with A-GPS, GLONASS/ BDS (region dependent) | Yes, with A-GPS, GLONASS, BDS |
| Browser | HTML5 | HTML5 | HTML5 |
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| Internal | 64 GB, 4 GB RAM | 8 GB, 1 GB RAM | 32 GB, 4 GB RAM |
| Expandable Storage | microSD, up to 256 GB | microSD, up to 128 GB (dedicated slot) | microSD, up to 256 GB (dedicated slot) |
| USB OTG | Yes | 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 | Removable Li-Ion Battery | Non-removable Li-Ion Battery |
| Capacity | 4100 mAh | 2000 mAh battery | 3000 mAh |
| Stand by | - | - | - |
| Talk Time | - | Up to 14 h (3G) | - |
