Amazon has announced the UK release dates and prices for its new tablet devices and is now accepting pre-orders.

The Kindle Fire HDX comes in two sizes, 7- and 8.9-inches, with the smaller of the two starting at £199, the larger £329. The 7-inch HDX will ship from 13 November, the 8.9-inch from 19 November.

Additionally, the new version of the Kindle Fire is available on too and will ship from 24 October. It starts at £119 for the 8GB model with "Special Offers".

Amazon's Kindle Fire HDX tablets both sport 2.2GHz quad-core Qualcomm Snapdragon 800 processors, 2GB of RAM, Adreno 330 graphics and up to 11 hours of mixed-use battery life. They differ in screen resolutions - 2560 x 1600 for the 8.9-inch version (339ppi) and 1920 x 1200 for the 7-inch (323ppi) - and effectively replace the Kindle Fire HD models at the top of the range.

Read: Kindle Fire HDX vs Kindle Fire HD: What's the difference?

The 7-inch Kindle Fire HD has been refreshed a tad and given a new price point, with the previous Kindle Fire being removed from market entirely. The new Kindle Fire HD has a 1280 x 800 display (216ppi), dual-core 1.5GHz processor and dual stereo speakers.

Various options are available, with or without special offers - personalised offers and sponsored screen savers - with ad-free models coming with £10 price premiums. And the HDX devices are available with 16GB, 32GB or 64GB storage capacities. In addition, the HDX tablets come in either Wi-Fi-only or Wi-Fi plus 4G LTE connectivity through Vodafone.

Read: Amazon Kindle Fire OS 3.0 Mojito: What is it and is it coming to my tablet?

As well as the new tablets, Amazon has brought its Mayday button to the UK too. The Kindle Fire HDX tablets come with a one-tap way to access live support 24/7 365 days a year.

All of the new devices come with Amazon Fire OS 3.0 "Mojito".

The original Amazon Kindle Fire HD 8.9 is still also on sale, starting at £229.