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| key specs | ||||
| Display | 5.00-inch | 5.00-inch | 5.00-inch | 5.70-inch |
| Processor | Qualcomm Snapdragon 410 | 1.2GHz octa-core | Qualcomm Snapdragon 200 | Qualcomm Snapdragon 400 |
| Front Camera | 5-megapixel | 2-megapixel | 5-megapixel | 5-megapixel |
| Rear Camera | 13-megapixel | 5-megapixel | 8-megapixel | 13-megapixel |
| RAM | 2GB | 512MB | 1GB | 1GB |
| Storage | 8GB | 4GB | 8GB | 8GB |
| Battery Capacity | 2150mAh | 2300mAh | 2200mAh | 3000mAh |
| OS | Android 4.4 | Android 4.4 | Windows Phone 8.1 | Windows Phone 8.1 |
| Resolution | 720x1280 pixels | 480x854 pixels | 720x1280 pixels | 720x1280 pixels |
| general | ||||
| Brand | Lenovo | Lenovo | Microsoft | Microsoft |
| Model | S60 | A3900 | Lumia 540 Dual SIM | Lumia 640 XL |
| Release date | May 1, 2015 | May 1, 2015 | - | March 1, 2015 |
| Form factor | Touchscreen | Touchscreen | Touchscreen | Touchscreen |
| Dimensions (mm) | 143.30 x 72.00 x 7.70 | - | 144.00 x 73.69 x 9.37 | 157.90 x 81.50 x 9.00 |
| Weight (g) | 128.00 | - | 152.00 | 171.00 |
| Battery capacity (mAh) | 2150 | 2300 | 2200 | 3000 |
| Removable battery | No | Yes | Yes | Yes |
| Colours | Graphite Grey | - | Cyan, Orange, White, Black | - |
| display | ||||
| Screen size (inches) | 5.00 | 5.00 | 5.00 | 5.70 |
| Touchscreen | Yes | Yes | Yes | Yes |
| Resolution | 720x1280 pixels | 480x854 pixels | 720x1280 pixels | 720x1280 pixels |
| Pixels per inch (PPI) | - | - | 294 | 259 |
| hardware | ||||
| Processor | 1.2GHz quad-core | 1.2GHz octa-core | 1.2GHz quad-core | 1.2GHz quad-core |
| Processor make | Qualcomm Snapdragon 410 | - | Qualcomm Snapdragon 200 | Qualcomm Snapdragon 400 |
| RAM | 2GB | 512MB | 1GB | 1GB |
| Internal storage | 8GB | 4GB | 8GB | 8GB |
| Expandable storage | Yes | Yes | Yes | Yes |
| Expandable storage type | microSD | microSD | microSD | microSD |
| Expandable storage up to (GB) | 32 | - | 128 | 128 |
| camera | ||||
| Rear camera | 13-megapixel | 5-megapixel | 8-megapixel | 13-megapixel |
| Rear flash | LED | LED | LED | LED |
| Front camera | 5-megapixel | 2-megapixel | 5-megapixel | 5-megapixel |
| software | ||||
| Operating system | Android 4.4 | Android 4.4 | Windows Phone 8.1 | Windows Phone 8.1 |
| Skin | Vibe UI 2.0 | - | - | - |
| connectivity | ||||
| Wi-Fi | Yes | Yes | Yes | Yes |
| GPS | Yes | Yes | Yes | Yes |
| Bluetooth | Yes | Yes | Yes, v 4.00 | Yes, v 4.00 |
| NFC | No | No | No | Yes |
| Infrared | No | No | No | No |
| USB OTG | No | No | No | No |
| Headphones | 3.5mm | 3.5mm | 3.5mm | 3.5mm |
| FM | Yes | Yes | Yes | Yes |
| Number of SIMs | 2 | 2 | 2 | 1 |
| Wi-Fi Direct | No | No | No | No |
| Mobile High-Definition Link (MHL) | No | No | No | No |
| Wi-Fi standards supported | - | - | 802.11 b/g/n | 802.11 b/g/n |
| sim 1 | ||||
| SIM Type | Regular | Micro-SIM | Micro-SIM | Micro-SIM |
| GSM/CDMA | GSM | GSM | GSM | GSM |
| 3G | Yes | Yes | Yes | Yes |
| 4G/ LTE | No | Yes | No | No |
| sim 2 | ||||
| SIM Type | Micro-SIM | Micro-SIM | Micro-SIM | - |
| GSM/CDMA | GSM | GSM | GSM | - |
| 3G | No | Yes | Yes | - |
| 4G/ LTE | No | No | No | - |
| sensors | ||||
| Compass/ Magnetometer | No | No | Yes | Yes |
| Proximity sensor | Yes | Yes | Yes | Yes |
| Accelerometer | Yes | Yes | Yes | Yes |
| Ambient light sensor | Yes | Yes | Yes | Yes |
| Gyroscope | No | Yes | No | No |
| Barometer | No | No | No | No |
| Temperature sensor | No | 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 | - | - | - | |
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