Phone Comparison - Microsoft Lumia 640 LTE vs Alcatel Idol 4 vs ZTE Blade Force
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| Price Comparison (India) | - | - | |
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| Manufacturer | Microsoft | Alcatel | ZTE |
| Announced | March 2015 | February 2016 | October 2017 |
| Status | Available - April 2015 | Available - June 2016 | Available - October 2017 |
| Price | Rs. 7,999 ($117.63) [Similarly Priced] | Rs. 16,999 ($199.99) [Similarly Priced] | Rs. 8,500 ($130.00) [Similarly Priced] |
| Colors | Yes | Gold, Dark Gray, Rose Gold, Metal Silver | Blue |
| Form Factor | Candybar | Candybar | Candybar |
| Dimension |
141.3 x 72.2 x 8.8 mm (5.56 x 2.84 x 0.35 in) |
147 x 72.5 x 7.1 mm (5.79 x 2.85 x 0.28 in) |
156 x 78 x 9.1 mm (6.14 x 3.07 x 0.36 in) |
| Weight | 145 g (5.11 oz) | 135 g (4.76 oz) | 170.1 g (6.0.04 oz) |
| SIM Type | - | - | Single-SIM |
| 2G Network | GSM 850 / 900 / 1800 / 1900 | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (optional) | GSM 850 / 900 / 1800 / 1900 CDMA 800 / 1900 |
| 3G Network | HSDPA 850 / 900 / 2100 | HSDPA 850 / 900 / 1900 / 2100 - 6055Y, 6055K, 6055B, 6055I HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 - 6055H |
HSDPA 850 / 1700(AWS) / 1900 |
| 4G Network | LTE | LTE band 1(2100), 3(1800), 7(2600), 8(900), 20(800), 28(700) - 6055K | LTE |
| Messaging | SMS, MMS, Push Mail, EMail, IM | SMS, MMS, Push Mail, EMail, IM | SMS, MMS, Push Mail, EMail, IM |
| Notification LED | - | - | No |
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| OS | Microsoft Windows Phone 8.1 with Lumia Denim | Android OS, v6.0.1 (Marshmallow) | Android 7.1.1 (Nougat) |
| Processor | Quad-core 1.2 GHz Cortex-A7, Qualcomm Snapdragon 400 | Quad-core 1.7 GHz Cortex-A53 & quad-core 1.2 GHz Cortex-A53, Qualcomm MSM8952 Snapdragon 617 | Quad-core 1.4 GHz Cortex-A53, Qualcomm MSM8920 Snapdragon 427 |
| GPU | Adreno 305 | Adreno 405 | Adreno 308 |
| RAM | 1 GB | 2 GB | 2 GB |
| Internal Memory | 8 GB | 16 GB | 16 GB |
| External Memory | microSD, up to 128 GB | microSD, up to 512 GB (uses SIM 2 slot) | microSD, up to 128 GB |
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| Type | IPS LCD Capacitive Touchscreen, Corning Gorilla Glass 3, ClearBlack Display | LTPS IPS LCD capacitive touchscreen | IPS LCD Capacitive Touchscreen |
| Colors | 16M colors | 16M colors | 16M colors |
| Size | 5.0 inches | 5.2 inches | 5.5 inches |
| Resolution | 720 x 1280 pixels (294 ppi) | 1080 x 1920 pixels (424 ppi) | 720 x 1280 pixels (267 ppi) |
| Screen-to-Body Ratio | 67.43% | 69.82% | 68.54% |
| Multi-Touch |  |
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| 3.5mm Jack | |
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| Radio | FM radio | FM Radio | No |
| Games | Yes + Downloadable | Yes + Downloadable | Yes + Downloadable |
| Loud Speaker | |
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| Rear Camera | 8 MP, 3264 x 2448 pixels | 13 MP, 4128 x 3096 pixels | 8 MP |
| Flash | LED flash | Dual-LED (Dual Tone) | LED Flash |
| Features | Auto focus, 1/4'' Sensor Size | Phase Detection Autofocus, f/2.0, Geo-tagging, Touch Focus, Face Detection, Panorama, HDR | Autofocus, Geo-tagging, Panorama, HDR |
| Video | 1080p@30fps | 1080p@30fps | 1080p@30fps |
| Front Camera | 1 MP, 720p [Similar] | 8 MP, 1080p, LED flash [Similar] | 5 MP [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 | HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps or LTE Cat6 300/50 Mbps | HSPA, LTE Cat4 150/50 Mbps, VoLTE |
| Bluetooth | v4.0, A2DP | v4.2, A2DP, LE | 4.2, A2DP |
| 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 | microUSB v2.0, USB Host | microUSB 2.0 |
| GPS | Yes, with A-GPS, GLONASS, Beidou | Yes, with A-GPS | Yes, with A-GPS |
| Browser | HTML5 | HTML5 | HTML5 |
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| Internal | 8 GB, 1 GB RAM | 16 GB, 2 GB RAM - 6055Y, 6055K 16 GB, 3 GB RAM - 6055B, 6055H |
16 GB, 2 GB RAM |
| Expandable Storage | microSD, up to 128 GB | microSD, up to 512 GB (uses SIM 2 slot) | microSD, up to 128 GB |
| USB OTG | - | Supported | Not 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-Ion Battery |
| Capacity | 2500 mAh | 2610 mAh | 3000 mAh |
| Stand by | Up to 864 h (2G) Up to 864 h (3G) |
Up to 520 h (2G) Up to 520 h (3G) |
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| Talk Time | Up to 26 h 30 min (2G) Up to 17 h 30 min (3G) |
Up to 15 h (2G) Up to 15 h (3G) |
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Rs. 16,999 
