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- Microsoft Lumia 640 Dual SIM vs Nokia Lumia 730 Dual SIM vs Nokia Lumia 638
Microsoft Lumia 640 Dual SIM vs Nokia Lumia 730 Dual SIM vs Nokia Lumia 638 comparison
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| key specs | ||||
| Display | 5.00-inch | 4.70-inch | 4.50-inch | |
| Processor | Qualcomm Snapdragon 400 | Qualcomm Snapdragon 400 | Qualcomm Snapdragon 400 | |
| Front Camera | 0.9-megapixel | 5-megapixel | No | |
| Rear Camera | 8-megapixel | 6.7-megapixel | 5-megapixel | |
| RAM | 1GB | 1GB | 1GB | |
| Storage | 8GB | 8GB | 8GB | |
| Battery Capacity | 2500mAh | 2220mAh | 1830mAh | |
| OS | Windows Phone 8.1 | Windows Phone 8.1 | Windows Phone 8.1 | |
| Resolution | 720x1280 pixels | 720x1280 pixels | 480x854 pixels | |
| general | ||||
| Brand | Microsoft | Nokia | Nokia | |
| Model | Lumia 640 Dual SIM | Lumia 730 Dual SIM | Lumia 638 | |
| Release date | February 1, 2015 | September 1, 2014 | June 1, 2014 | |
| Form factor | Touchscreen | Touchscreen | Touchscreen | |
| Dimensions (mm) | 141.30 x 72.20 x 8.80 | 134.70 x 68.50 x 8.70 | 129.50 x 66.70 x 9.20 | |
| Weight (g) | 145.00 | 130.40 | - | |
| Battery capacity (mAh) | 2500 | 2220 | 1830 | |
| Removable battery | Yes | Yes | No | |
| Colours | - | green, orange, white and black | Orange, Black, Yellow, White | |
| SAR value | - | 0.50 | - | |
| display | ||||
| Screen size (inches) | 5.00 | 4.70 | 4.50 | |
| Touchscreen | Yes | Yes | Yes | |
| Resolution | 720x1280 pixels | 720x1280 pixels | 480x854 pixels | |
| Pixels per inch (PPI) | 294 | 316 | - | |
| hardware | ||||
| Processor | 1.2GHz quad-core | 1.2GHz quad-core | 1.2GHz quad-core | |
| Processor make | Qualcomm Snapdragon 400 | Qualcomm Snapdragon 400 | Qualcomm Snapdragon 400 | |
| RAM | 1GB | 1GB | 1GB | |
| Internal storage | 8GB | 8GB | 8GB | |
| Expandable storage | Yes | Yes | Yes | |
| Expandable storage type | microSD | microSD | - | |
| Expandable storage up to (GB) | 128 | 128 | 128 | |
| camera | ||||
| Rear camera | 8-megapixel | 6.7-megapixel | 5-megapixel | |
| Rear flash | LED | LED | No | |
| Front camera | 0.9-megapixel | 5-megapixel | No | |
| software | ||||
| Operating system | Windows Phone 8.1 | Windows Phone 8.1 | Windows Phone 8.1 | |
| connectivity | ||||
| Wi-Fi | Yes | Yes | Yes | |
| Wi-Fi standards supported | 802.11 b/g/n | 802.11 b/g/n | 802.11 b/g/n | |
| GPS | Yes | Yes | Yes | |
| Bluetooth | Yes | Yes, v 4.00 | Yes | |
| NFC | No | Yes | No | |
| Infrared | No | No | No | |
| USB OTG | No | No | No | |
| Headphones | 3.5mm | 3.5mm | 3.5mm | |
| FM | Yes | Yes | No | |
| Number of SIMs | 2 | 2 | 1 | |
| Wi-Fi Direct | No | No | No | |
| Mobile High-Definition Link (MHL) | No | No | No | |
| sim 1 | ||||
| SIM Type | Micro-SIM | Micro-SIM | - | |
| GSM/CDMA | GSM | GSM | GSM | |
| 3G | Yes | Yes | Yes | |
| 4G/ LTE | No | No | Yes | |
| sim 2 | ||||
| SIM Type | Micro-SIM | Micro-SIM | - | |
| GSM/CDMA | GSM | GSM | - | |
| 3G | Yes | Yes | - | |
| 4G/ LTE | No | No | - | |
| sensors | ||||
| Compass/ Magnetometer | Yes | Yes | No | |
| Proximity sensor | Yes | Yes | No | |
| Accelerometer | Yes | Yes | No | |
| Ambient light sensor | Yes | Yes | No | |
| Gyroscope | No | No | No | |
| Barometer | No | No | No | |
| Temperature sensor | No | No | No | |
| ratings | ||||
| Overall NDTV Rating | - | Read Review | - | |
| Design Rating | - | - | ||
| Display Rating | - | - | ||
| Software Rating | - | - | ||
| Performance Rating | - | - | ||
| Battery Life Rating | - | - | ||
| Camera Rating | - | - | ||
| Value for Money Rating | - | - | ||
-
Windows 10 Mobile Update Starts Rolling Out for Microsoft Lumia 640 -
Moto G (Gen 2), Microsoft Lumia 640 Available With Limited Period Discounts
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Microsoft India to Launch More 4G Phones Once 'Infrastructure Is Ready'
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Microsoft Lumia 640 and Lumia 640 XL Dual-SIM Phones Launched in India
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Microsoft Lumia 640, Lumia 640 XL Launched Alongside Dual SIM, LTE Variants
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