Phone Comparison - Microsoft Lumia 640 XL vs Xiaomi Mi A1 vs Xiaomi Redmi 5 Plus
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| Price Comparison (India) | - | - | |
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| Manufacturer | Microsoft | Xiaomi | Xiaomi |
| Announced | March 2015 | September 2017 | February 2018 |
| Status | Available - April 2015 | Coming Soon - September 2017 | Available - February 2018 |
| Price | Rs. 12,999 ($191.16) [Similarly Priced] | Rs. 14,999 ($245.00) [Similarly Priced] | Rs. 9,999 ($150.00) [Similarly Priced] |
| Colors | Matte cyan, Orange, Black, Matte white, Glossy white | Gold, Pink, Black | Black, Gold, Rose Gold |
| Form Factor | Candybar | Candybar | Candybar |
| Dimension |
157.9 x 81.5 x 9 mm (6.22 x 3.21 x 0.35 in) |
155.4 x 75.8 x 7.3 mm (6.12 x 2.98 x 0.29 in) |
158.5 x 75.5 x 8.1 mm (6.24 x 2.97 x 0.32 in) |
| Weight | 171 g (6.03 oz) | 165 g (5.82 oz) | 180 g (6.35 oz ) |
| SIM Type | - | Dual SIM Hybrid (Nano SIM + Micro SIM, or Micro SIM + microSD Card) | Hybrid Dual SIM (Nano-SIM, dual stand-by) |
| 2G Network | GSM 850 / 900 / 1800 / 1900 | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 CDMA 800 & TD-SCDMA |
| 3G Network | HSDPA 850 / 900 / 1900 / 2100 | HSDPA 2100 | HSDPA 850 / 900 / 1900 / 2100 |
| 4G Network | - | LTE | LTE band 1(2100), 3(1800), 5(850), 7(2600), 8(900), 38(2600), 39(1900), 40(2300), 41(2500) |
| Messaging | SMS, MMS, Push Mail, EMail, IM | SMS, MMS, Push Mail, EMail | SMS, MMS, EMail, IM |
| Build Features | - | - Fingerprint Sensor | - Fingerprint Sensor |
| Notification LED | - | Yes | Yes |
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| OS | Microsoft Windows Phone 8.1 with Lumia Denim | Android OS, v7.1.1 Nougat | Android 7.1.2 (Nougat) |
| User Interface | - | Android One (Stock Android) | MIUI 9 |
| Processor | Quad-core 1.2 GHz Cortex-A7, Qualcomm Snapdragon 400 | Octa-core 2.0 GHz Cortex-A53, Qualcomm MSM8953 Snapdragon 625 | Octa-core 1.8 GHz Cortex-A53, Qualcomm MSM8953 Snapdragon 625 |
| GPU | Adreno 305 | Adreno 506 | Adreno 506 |
| RAM | 1 GB | 4 GB | 3/4 GB |
| Internal Memory | 8 GB | 64 GB | 32/64 GB |
| External Memory | microSD, up to 128 GB | microSD, up to 128 GB | microSD, up to 128 GB (uses SIM 2 slot) |
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| Type | IPS LCD Capacitive Touchscreen, Corning Gorilla Glass 3, ClearBlack Display | IPS LCD Capacitive Touchscreen | IPS LCD Capacitive Touchscreen, Corning Gorilla Glass (unspecified Version) |
| Colors | 16M colors | 16M colors | 16M colors |
| Size | 5.7 inches | 5.5 inches | 5.99 inches |
| Resolution | 720 x 1280 pixels (259 ppi) | 1080 x 1920 pixels (401 ppi) | 1080 x 2160 pixels (403 ppi) |
| Screen-to-Body Ratio | 68.88% | 70.63% | 77.44% |
| Multi-Touch |  |
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| 3.5mm Jack | |
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| Radio | FM radio | N/A | FM radio |
| Games | Yes + Downloadable | Yes + Downloadable | Yes + Downloadable |
| Loud Speaker | |
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| Rear Camera | 13 MP, 4128 x 3096 pixels | Dual 12 MP | 12 MP |
| Flash | LED flash | Dual-LED (Dual Tone) | LED Flash |
| Features | Auto focus, Carl Zeiss Optics, 1/3'' Sensor Size | Phase Detection Autofocus, Geo-tagging, Touch Focus, Face Detection, Panorama, HDR, Wide-angle lens - 12MP, 1.25μm, f/2.2 aperture; Telephoto lens - 12MP, 1.0μm, f/2.6 aperture | Phase Detection Autofocus, f/2.0, Geo-tagging, Touch Focus, Face/smile Detection, HDR, Panorama |
| Video | 1080p@30fps | 2160p@30fps, 1080p@30fps, 720p@120fps | 1080p@30fps |
| Front Camera | 5 MP, 1080p [Similar] | 16 MP [Similar] | 5 MP, f/2.0, 1080p [Similar] |
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| GPRS | Yes | Yes | Yes |
| Edge | Yes | Yes | Yes |
| 3G | HSPA 42.2/5.76 Mbps | HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps, VoLTE | HSPA, LTE, VoLTE |
| Bluetooth | v4.0, A2DP | v4.2, A2DP, LE | 4.2, A2DP, LE |
| 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 | Wi-Fi 802.11 b/g/n, Wi-Fi Direct, hotspot |
| USB | microUSB v2.0 | Type-C 1.0 reversible connector, USB On-The-Go | microUSB 2.0 |
| GPS | Yes, with A-GPS, GLONASS, Beidou | Yes, with A-GPS, GLONASS | Yes, with A-GPS, GLONASS, BDS |
| Browser | HTML5 | HTML5 | HTML5 |
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| Internal | 8 GB, 1 GB RAM | 64 GB, 4 GB RAM | 32/64 GB, 3/4 GB RAM |
| Expandable Storage | microSD, up to 128 GB | microSD, up to 128 GB | microSD, up to 128 GB (uses SIM 2 slot) |
| USB OTG | - | Yes | 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 | Li-Ion Battery | Non-removable Li-Ion Battery | Non-removable Li-Po battery |
| Capacity | 3000 mAh | 3080 mAh | 3300 mAh |
| Stand by | Up to 936 h (2G) Up to 936 h (3G) |
- | - |
| Talk Time | Up to 31 h 20 min (2G) Up to 23 h 40 min (3G) |
- | - |
Rs. 14,999 
