Hungry for extreme device tweaking on your Samsung Galaxy Tab 8.9? The development community has worked quick to bring great new features and tweaks to the tablet and one of these tweaks is an overclock. It was achieved by _motley at XDA where he provides full instructions. You can step up to 1.2GHz and 1.4GHz, each giving substantial increases in benchmark scores. Head to the source link to get started (but remember that your device is your device and no one is forcing you to apply this, thus no one is responsible if it causes thermonuclear war).