Tablets compared: Nook vs iPad2 vs Kindle Fire vs Galaxy Tab [specs sheet ]

Tablets Nook Tablet iPad 2 Kindle Fire Samsung Galaxy Tab 8.9
Dimensions 8.1″ (H) x 5″ (W) x .48″ (D)7″ multi-touch display 9.5″ (H) x 7.31″ (W) x .34″ (D)9.7″ multi-touch display 7.5″ (H) x 4.7″ (W) x .45″ (D)7″ multi-touch display 9.09″ (H) x 6.21″ (W) x .33″ (D)8.9″ multi-touch display(Also comes in 10.1″ and 7″ display models, with varyingdimensions)
Data Storage 16GB (expandable to 32GB via MicroSD) 16GB, 32GB & 64GB models. Non-expandable 8GB (approx 6GB user content). Non-expandable. 16 GB
Battery Life 11.5 hours (reading)9 hours (video) 10 hours on Wi-Fi 8 hours (reading), 7.5 hours (video) 13 hours (variable)
RAM 1 GB RAM 512 MB 512 MB 1 GB
Processor 1GHz dual-core 1GHz dual-core Apple A5 1GHz dual-core 1GHz dual-core
File Formats ePub, PDF, DOC, MP4, MP3, JPG, and more. PDF, DOC, JPG, MP4, MP3, MOV, and more. Kindle (AZW), PDF, unprotected MOBI, DOC, JPG, MP4,MP3, and more. PDF, DOC, MP3, MP4, and more
Operating System Android 2.3 (Gingerbread) iOS 5 Amazon-flavored Android UI Android 3.1 (Honeycomb)
Price $249 $499, $599, $699 (depending on storage size) $199 $449