Phone Comparison - Microsoft Lumia 640 XL LTE Dual SIM vs Xiaomi Redmi Note 4X
Microsoft Lumia 640 XL LTE Dual SIM.jpg)
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Xiaomi Redmi Note 4X.jpg)
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| Manufacturer | Microsoft | Xiaomi |
| Announced | March 2015 | February 2017 |
| Status | Available - April 2015 | Available - February 2017 |
| Price | Rs. 14,999 ($220.57) [Similarly Priced] | Rs. 12,750 ($180.00) [Similarly Priced] |
| Colors | Matte cyan, Orange, Black, Matte white, Glossy white | Gold, Silver, Gray |
| Form Factor | Candybar | Candybar |
| Dimension |
157.9 x 81.5 x 9 mm (6.22 x 3.21 x 0.35 in) |
151 x 76 x 8.35 mm (5.94 x 2.99 x 0.33 in) |
| Weight | 171 g (6.03 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 & SIM 2 | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 |
| 3G Network | HSDPA 850 / 900 / 1900 / 2100 | HSDPA 2100 |
| 4G Network | LTE | LTE |
| Messaging | SMS, MMS, Push Mail, EMail, IM | SMS, MMS, Push Mail, EMail |
| Build Features | - | - Fingerprint Sensor - Infrared Sensor |
| Notification LED | - | Yes |
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| OS | Microsoft Windows Phone 8.1 with Lumia Denim | Android OS, v6.0.1 (Marshmallow) |
| User Interface | - | MIUI 8 |
| Processor | Quad-core 1.2 GHz Cortex-A7, Qualcomm Snapdragon 400 [Similar] | Octa-core 2.0 GHz Cortex-A53, Qualcomm MSM8953 Snapdragon 625 [Similar] |
| GPU | Adreno 305 [Similar] | Adreno 506 [Similar] |
| RAM | 1 GB [Browse Similar] | 4 GB [Browse Similar] |
| Internal Memory | 8 GB | 64 GB |
| External Memory | microSD, up to 128 GB | microSD, up to 256 GB |
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| Type | IPS LCD Capacitive Touchscreen, Corning Gorilla Glass 3, ClearBlack Display | IPS LCD Capacitive Touchscreen, Gorilla Glass Protection |
| Colors | 16M colors | 16M colors |
| Size | 5.7 inches [Similar] | 5.5 inches [Similar] |
| Resolution | 720 x 1280 pixels (259 ppi) [Similar] | 1080 x 1920 pixels (401 ppi) [Similar] |
| Screen-to-Body Ratio | 68.88% | 72.50% |
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| Radio | FM radio | FM Radio |
| Games | Yes + Downloadable | Yes + Downloadable |
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| Rear Camera | 13 MP, 4128 x 3096 pixels [Similar] | 13 MP [Similar] |
| Flash | LED Flash | Dual-LED (Dual Tone) |
| Features | Carl Zeiss Optics, 1/3'' sensor size | Phase Detection Autofocus, f/2.0, Geo-tagging, Touch Focus, Face Detection, Panorama, HDR |
| Video | 1080p@30fps | 2160p@30fps, 1080p@30fps, 720p@120fps |
| Front Camera | 5 MP, 1080p [Similar] | 5 MP, 1080p, f/2.0 [Similar] |
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| GPRS | Yes | Yes |
| Edge | Yes | Yes |
| 3G | HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps | HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps, VoLTE |
| Bluetooth | v4.0, A2DP | Yes, v4.2 |
| Wi-Fi | Wi-Fi 802.11 b/g/n, DLNA, hotspot | Wi-Fi 802.11 a/b/g/n/ac, dual-band, WiFi Direct, hotspot |
| USB | microUSB v2.0 | microUSB v2.0, USB On-The-Go |
| GPS | Yes, with A-GPS, GLONASS, Beidou | Yes, with A-GPS |
| Browser | HTML5 | HTML5 |
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| Internal | 8 GB, 1 GB RAM | 64 GB, 4 GB RAM |
| Expandable Storage | microSD, up to 128 GB | microSD, up to 256 GB |
| USB OTG | - | Yes |
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| Type | Li-Ion Battery | Non-removable Li-Ion Battery |
| Capacity | 3000 mAh | 4100 mAh |
| Stand by | Up to 936 h (2G) Up to 936 h (3G) |
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| Talk Time | Up to 31 h 20 min (2G) Up to 23 h 40 min (3G) |
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