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| ratings | ||||
| Overall NDTV Rating | Read Review | - | ||
| Performance Rating | - | |||
| Value for Money Rating | - | |||
| key specs | ||||
| Display | 2.60-inch | 2.46-inch | ||
| Processor | 832 MHz one-core | 512 MHz one-core | ||
| Front Camera | 0.3-megapixel | No | ||
| Rear Camera | 3.2-megapixel | 2-megapixel | ||
| RAM | 384MB | - | ||
| Storage | 160MB | 256MB | ||
| Battery Capacity | 1350mAh | 1150mAh | ||
| OS | Android 2.3 | BlackBerry OS 5 | ||
| Resolution | 240x320 pixels | 240x320 pixels | ||
| general | ||||
| Alternate names | GT-B5512 | - | ||
| Brand | Samsung | BlackBerry | ||
| Model | Galaxy Y Pro Duos | Curve 8520 | ||
| Release date | December 1, 2011 | August 1, 2009 | ||
| Form factor | Bar | Bar | ||
| Dimensions (mm) | 110.80 x 63.50 x 11.90 | 109.00 x 60.00 x 13.90 | ||
| Weight (g) | 112.30 | 105.00 | ||
| Battery capacity (mAh) | 1350 | 1150 | ||
| Removable battery | No | Yes | ||
| Colours | - | Black | ||
| display | ||||
| Screen size (inches) | 2.60 | 2.46 | ||
| Touchscreen | Yes | No | ||
| Resolution | 240x320 pixels | 240x320 pixels | ||
| Pixels per inch (PPI) | 154 | - | ||
| hardware | ||||
| Processor | 832 MHz one-core | 512 MHz one-core | ||
| RAM | 384MB | - | ||
| Internal storage | 160MB | 256MB | ||
| Expandable storage | Yes | Yes | ||
| Expandable storage type | microSD | microSD | ||
| Expandable storage up to (GB) | 32 | 32 | ||
| camera | ||||
| Rear camera | 3.2-megapixel | 2-megapixel | ||
| Rear flash | No | No | ||
| Front camera | 0.3-megapixel | No | ||
| software | ||||
| Operating system | Android 2.3 | BlackBerry OS 5 | ||
| connectivity | ||||
| Wi-Fi | Yes | Yes | ||
| GPS | Yes | No | ||
| Bluetooth | Yes, v 3.00 | Yes, v 2.00 | ||
| NFC | No | No | ||
| Infrared | No | No | ||
| USB OTG | No | No | ||
| Headphones | 3.5mm | 3.5mm | ||
| FM | Yes | No | ||
| Number of SIMs | 2 | 1 | ||
| Wi-Fi Direct | No | No | ||
| Mobile High-Definition Link (MHL) | No | No | ||
| sim 1 | ||||
| SIM Type | Regular | Regular | ||
| GSM/CDMA | GSM | GSM | ||
| 3G | Yes | No | ||
| 4G/ LTE | No | No | ||
| sim 2 | ||||
| SIM Type | Regular | - | ||
| GSM/CDMA | GSM | - | ||
| 3G | No | - | ||
| 4G/ LTE | No | - | ||
| sensors | ||||
| Compass/ Magnetometer | Yes | No | ||
| Proximity sensor | Yes | No | ||
| Accelerometer | Yes | No | ||
| Ambient light sensor | No | Yes | ||
| Gyroscope | No | No | ||
| Barometer | No | No | ||
| Temperature sensor | No | No | ||
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