Note 9 with Quad HD+ Super AMOLED display houses 4000mAh battery - 21 per cent bigger that Note 8 - that is paired with fast-charging technology compatible with both wired and wireless charging.
While the S9+ came with a maximum storage capacity of 256GB, the Note 9 takes it a step further and doubles it up to 512GB with up to 8GB of RAM as opposed to 6 on the S9+.
Recent market share figures show Samsung still has the largest market share globally but a handful of rivals, including Apple, are due to launch new phones soon as they look to close the gap.
The new phone will get some automatic photo editing and a stylus that can serve as a remote control.
According to the company, Galaxy Note 9 is "the most powerful smartphone of all that she has ever released". Most of Samsung's phone sales are on the low end.
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Mr McGregor said the Galaxy Watch would also be the first smartwatch to work with payment technology from all of Australia's "Big Four" banks, allowing users to pay for goods by tapping the wristwatch on contactless payment terminals at the counter.
Preordering the Samsung Galaxy Note 9 gets you some special Fortnite bonuses to celebrate: you can get an astonishing 15,000 V-Bucks, or you can opt for a pair of AKG noise-cancelling headphones, for free with your preorder. A dual-lens camera, with better zooming, came to the Note 8 months before the S9 Plus got it, for instance. Samsung announced several improvements to Bixby during its Thursday event, but it feels as if the company is playing catch-up with Google, Amazon, and even Apple's Siri. In recent years, numerous new features from Samsung and Apple have been incremental rather than revolutionary. For instance, the Note got curved edges before that became standard on Samsung's flagship phones.
The camera will also offer a warning if someone blinked in a shot, or if the image is blurry.
While Samsung has introduced its long awaited phablet Galaxy Note 9, on which the drafting has been able to put the hand, the firm took the opportunity to lift the veil on a second product. But it also had a couple of surprises in store with the Galaxy Watch and Galaxy Home.
Samsung also announced a new smartwatch and a partnership with Spotify meant to make it easier to switch music playback between phones, TVs and the company's new speaker.