Apple reinvented the Tablet computing landscape with its Tablet iPad, competition soon followed with Dell launching Streak, Samsung joined the fray with Galaxy Tab, Blackberry became the latest entrant with its PlayBook tablet launched earlier this week.
We bring you a feature comparison of these four models
 BlackBerry PlayBook |
 Apple iPad |
 Samsung Galaxy Tab |
 Dell Streak |
|
| Screen size | 7 inches | 9.7 inches | 7 inches | 5 inches |
| Resolution | 1024 x 600 | 1024 x 768 | 1024 x 600 | 800 x 480 |
| Pixel density (approx.) | 170 | 133 | 170 | 187 |
| Platform | BB Tablet OS | iOS 3.2.2 (4.2 in November) | Android 2.2 | Android 1.6 (2.1 / 2.2 in future) |
| Adobe Flash support | 10.1 | Not Supported | 10.1 | Not supported |
| Processor | 1GHz dual-core Cortex A9 | 1GHz Apple A4 (ARMv7) | 1GHz Cortex A8 | 1GHz Snapdragon |
| Graphics | Unknown | PowerVR SGX 535 | PowerVR SGX 540 | Adreno 200 |
| RAM | 1GB | 256MB | 512MB | 512MB |
| Internal Storage | 16GB / 32GB (unconfirmed) | 16GB / 32GB / 64GB | 16GB / 32GB | 512MB |
| Expansion | Unknown | None | microSD | microSD |
| Connectivity | 802.11 a/b/g/n, Bluetooth 2.1 + EDR | 802.11 a/b/g/n, Bluetooth 2.1 + EDR | 802.11 b/g/n, Bluetooth 3.0 | 802.11 b/g, Bluetooth 2.1 + EDR |
| Cellular data | 3G and 4G promised for future | 3G optional (AT&T) | 3G (all carriers) | 3G (AT&T) |
| GPS | None | 3G models only | Yes | Yes |
| Camera | 3MP front, 5MP rear |
None | 1.3MP front, 3MP rear |
VGA front, 5MP rear |
| Weight | 0.9 lbs | 1.5 – 1.6 lbs | 0.84 lbs | 0.49 lbs |
data source : Engadget
