Karbonn A40 Indian vs ZTE Blade A1 comparison
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| ratings |
| Overall NDTV Rating | Read Review | - |
| Design Rating | | - |
| Display Rating | | - |
| Software Rating | | - |
| Performance Rating | | - |
| Battery Life Rating | | - |
| Camera Rating | | - |
| Value for Money Rating | | - |
| key specs |
| Display | 4.00-inch | 5.00-inch |
| Processor | Spreadtrum SC9832A | MediaTek MT6735 |
| Front Camera | 0.3-megapixel | 8-megapixel |
| Rear Camera | 2-megapixel | 13-megapixel |
| RAM | 1GB | 2GB |
| Storage | 8GB | 16GB |
| Battery Capacity | 1400mAh | 2800mAh |
| OS | Android 7.0 | Android 5.1 |
| Resolution | 480x800 pixels | 720x1280 pixels |
| general |
| Brand | Karbonn | ZTE |
| Model | A40 Indian | Blade A1 |
| Release date | July 1, 2017 | December 1, 2015 |
| Form factor | Touchscreen | Touchscreen |
| Dimensions (mm) | 122.95 x 64.30 x 10.50 | 142.00 x 70.20 x 8.90 |
| Weight (g) | 118.00 | - |
| Battery capacity (mAh) | 1400 | 2800 |
| Removable battery | Yes | No |
| Colours | Blue, Coffee Brown, Black, Champagne | Smart White, Vibrant Yellow, Dream Green, Cool Blue, Space Grey |
| SAR value | 1.39 | - |
| display |
| Screen size (inches) | 4.00 | 5.00 |
| Touchscreen | Yes | Yes |
| Resolution | 480x800 pixels | 720x1280 pixels |
| hardware |
| Processor | 1.3GHz quad-core | 1.3GHz octa-core |
| Processor make | Spreadtrum SC9832A | MediaTek MT6735 |
| RAM | 1GB | 2GB |
| Internal storage | 8GB | 16GB |
| Expandable storage | Yes | Yes |
| Expandable storage type | microSD | microSD |
| Expandable storage up to (GB) | 32 | 128 |
| camera |
| Rear camera | 2-megapixel | 13-megapixel |
| Rear flash | Yes | LED |
| Front camera | 0.3-megapixel | 8-megapixel |
| software |
| Operating system | Android 7.0 | Android 5.1 |
| Skin | - | MiFavour 3.2 |
| connectivity |
| Wi-Fi | Yes | Yes |
| Wi-Fi standards supported | 802.11 b/g/n | - |
| GPS | No | No |
| Bluetooth | Yes, v 4.00 | Yes |
| NFC | No | No |
| Infrared | No | No |
| USB OTG | No | No |
| Headphones | 3.5mm | 3.5mm |
| FM | Yes | No |
| Number of SIMs | 2 | 2 |
| Wi-Fi Direct | No | No |
| Mobile High-Definition Link (MHL) | No | No |
| sim 1 |
| SIM Type | Regular | Nano-SIM |
| GSM/CDMA | GSM | GSM |
| 3G | Yes | Yes |
| 4G/ LTE | Yes | No |
| sim 2 |
| SIM Type | Regular | Nano-SIM |
| GSM/CDMA | GSM | GSM |
| 3G | Yes | Yes |
| 4G/ LTE | Yes | No |
| sensors |
| Compass/ Magnetometer | No | No |
| Proximity sensor | Yes | Yes |
| Accelerometer | Yes | Yes |
| Ambient light sensor | No | No |
| Gyroscope | No | No |
| Barometer | No | No |
| Temperature sensor | No | No |