Samsung Galaxy Tab 7.7.
At 7-inches, the Galaxy Tab 7.7 is smaller than the Galaxy Tab 10.1 (which is mired in litigation due to IP issues with Apple). It's thinner (only 7.89mm), lighter (at 335 grams) and features the same Super AMOLED Plus screen technology used in the Galaxy S 2. It runs on a 1.4GHz dual-core processor (faster than the iPad 2, which has a 1GHz processor). Reuters

The recent brigade of 10.1-inch tablets had rendered the 7-inch form factor redundant until Samsung released a new 7.7-inch Galaxy Tab at the ongoing trade show IFA in Germany.

Samsung's first Android tablet offering was a 7-inch Galaxy Tab which was released at the same event a year earlier. A lot has changed since then and multiple 7-inch tablets which held promise have come and are struggling to leave a mark. Key 7-inch tablets include the Dell Streak 7, RIM Playbook and HTC Flyer.

However, all that is due to change as Samsung unveiled a new form-factor with the Galaxy Tab 7.7. The new 7.7-inch Android tablet takes a leaf from its kin Galaxy Tab 10.1 and 8.9, flaunting a lean figure measuring 0.31-inch in thickness and weighs a mere 0.73 pounds. In comparison the Galaxy Tab 10.1 is 0.33-inch thick and weighs 1.31 pounds.

Galaxy Tab 7.7 is powered by a 1.4GHz dual-core processor and sports a 7.7-inch Super AMOLED display with 1280x800 screen resolution. It offers up to 10 hours in battery life and comes in 16GB/32GB and 64GB configurations.

Galaxy Tab 7.7 with such specifications makes the whole breed of 7-inch tablets look obsolete.

Here are the specifications of other 7-inch tablets:

RIM which also adopted the 7-inch form factor for its QNX powered tablet PlayBook. The tablet features a 7-inch display with 1024x600 screen resolution. It runs on TI OMAP 1GHz dual-core processor and comes in 8/16/32/64 GB internal memory configuration. PlayBook is 0.4-inch thick and weighs about 0.9 pounds. It returns 6 hours in battery life.

HTC also adopted the 7-inch form factor for its flagship Android tablet Flyer. Flyer runs on Android Gingerbread juice and is powered by a Snapdragon 1GHz single-core processor. Its 7-inch display has a screen resolution of 1024x600. It offers 32GB internal memory. It weighs 0.9 pounds and is 0.52-inch thick. Flyer returns a battery life of 8 hours. HTC Flyer offers a strong differentiator as it offers a stylus which helps with note-taking. The technology is called HTC Scribe Technology which also uses a feature called Timemark which enables a user to capture the audio of a meeting in line with the written notes. Thus tapping on a word in the notes instantly takes a user to that exact place in time in the audio recording of the meeting.

The 7-inch tablet from Dell runs on Android 2.2 or Froyo. It sports 800x480 screen resolution and is powered by NVIDIA Tegra 2 dual-core processor. It comes with 16GB internal memory, weighs about 1 pound and is 0.49-inch thick.

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