Tesco has announced its own tablet, the Tesco Hudl, a 7-inch Android device priced at £119, looking to steal some of the action from other slates in this portable yet practical size.

The Tesco tablet is one of the most affordable out there, for which you get a 7-inch display with a 1440 x 900 pixel resolution - that's 242ppi - along with a quad-core 1.5GHz processor, 16GB of storage and all the normal connectivity. 

It's an Android tablet, which Tesco hopes will encourage you to shop online, or dive into some of its other services, like the Blinkbox movie store - noteable for its early access to Game of Thrones. It's going to be appearing in-store and online from the end of September.

READ: Tesco Hudl pictures and hands-on

But what is this new supermarket slate up against? Here are some rivals to the Tesco tablet that you might want to consider.

Nexus 7 (2013)

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Pocket-lint

Google's Asus-built tablet is the darling of Android, offering the native experience as Google intended. It offers a 7-inch display, but knocks the resolution ball out of the park with a 1920 x 1200 pixel resolution. That's 323 pixels per inch, meaning everything is sharp and clear. It also means it can play your full HD movies at full resolution, as well as squeeze all the detail out of the latest games.

There's plenty of power on offer with a 1.5GHz Qualcomm Snapdragon S4 Pro chipset and 2GB of RAM, but instant access to the latest Android updates will be one of the big appeals of this tablet.

It starts at £199 for the 16GB model and it's slim at 8.65mm thick and one of the lightest around at 290g.

MORE: Nexus 7 (2013) review

Amazon Kindle Fire HD

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Coming in cheaper than the Nexus 7, is the Kindle Fire HD model. It also has a 7-inch display, with a resolution of 1280 x 800 pixels, 215ppi, meaning things look pretty good, it's a little on the heavy side at 395g.

The Kindle Fire HD comes with excellent Dolby speakers, perfect for pairing with Amazon MP3 music, or Lovefilm Instant movies, which Amazon will let you stream to the tablet, if you have an account. The dual-core 1.2GHz OMAP 4460 chipset and 1GB of RAM keeps things running along nicely.

The tablet runs on Amazon's own customised version of Android, but unlike some of the devices on this list, it's not open to Google Play. Instead it offers a curated selection of apps through the Kindle Appstore.

MORE: Amazon Kindle Fire HD review

Amazon Kindle Fire

The Amazon Kindle Fire - note the lack of HD in the name - is currently selling at £99, down from its £129 launch price, making this one of the cheaper models out there. The rumours suggest that Amazon is about to replace this model, hence the discount.

For your money you get a 7-inch 1024 x 600 pixel IPS display, but that 169ppi means that it's a noticeable step down from Kindle Fire HD. There's a 1.2GHz dual-core OMAP 4430 chipset with 1GB of RAM powering it.

The experience is similar, however, offering a curated Kindle Appstore experience and a skewed Android version, completely tailored to Amazon's content.

MORE: Amazon Kindle Fire review

Barnes & Nobile Nook HD

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Lesser known than Amazon's Kindle line in the UK is the Nook. The Nook HD offers a similar offering to Amazon, but the parent bookstore Barnes & Noble hasn't seen such success with it's devices, with swirling rumours of B&N calling a halt to thing. That might account for the £79 asking price for the 8GB model.

However, the Nook HD is a good tablet, offering a 1440 x 900 pixel resolution, 243ppi. It's pretty light at 315g and nicely built. There's a 1.3GHz dual-core OMAP 4470 chipset and 1GB of RAM to keep things running.

Also like Amazon, the Nook HD runs on a customised version of Android, but since launch, it's added support for Google Play, so you have a wide range of access to apps. Barnes & Noble pushes its content for books, movies and magazines.

MORE: Barnes & Noble Nook HD review

Apple iPad mini

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It's not all about Android in the small format tablets: there's the iPad mini to consider too. Of all the devices, the iPad mini offers one of the slickest designs, at 7.2mm thick and weighing in at 312g. 

The display doesn't have the detail that you'll find elsewhere, however, with Apple offering 1024 x 768 pixels - 163ppi - on this model. It might not be as sharp or as detailed, but it is fractionally larger at 7.9-inches.

The biggest sell for the Apple iPad mini, however, is access to the excellent range of apps available through the App Store, giving you the iPad experience in a smaller package. It's powered by Apple's A5 processor, which is now getting old, suggesting that we'll see an update to the iPad mini fairly soon.

It comes at a premium price, however, with the 16GB model costing £269.

MORE: Apple iPad mini review

Samsung Tab 3 7

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Samsung has a tablet for just about every occasion, and in the 7-inch stakes you're looking at the Samsung Tab 3 7-inch. As is typical of Samsung's mobile line-up, it offers nice slick design in a package that's 9.9mm thick and weighs 300g.

The resolution isn't too high in comparison to some of the other devices on offer at 1024 x 600 (169ppi), and paired with the £199 price tag, makes this Samsung tablet look a little on the expensive side. It has a dual-core 1.2GHz processor and 1GB of RAM.

However, you get lot of Samsung tweaks sitting in the mix with Android and full access to Google Play's apps.

MORE: Samsung Galaxy Tab 3 7-inch