Although some tablets consist of nothing more than the drug and an
inactive filler substance compacted together, many are far more
complex. Manufacturers frequently also include ingredients to hold the
tablet together (binders), ingredients to aid disintegration when the
tablet reaches the stomach (disintegrants), colourings to make the
tablet identifiable and in very small amounts materials to help the
powders move around the tablet machine during manufacture e.g.
lubricants, glidants and anti-adherents. The figure below provides a
diagrammatic representation of a tablet.
Figure 1 Diagrammatic representation of a cross section of a tablet’s contents.
Manufactures
spend a lot of time deciding on the level of compaction a tablet
requires and in selecting inactive ingredients which don't affect the
active drug and the way it is absorbed. Because active and inactive
ingredients in one tablet may be incompatible with active and inactive
ingredients in another it is never appropriate to crush more than one
different tablet at a time.
Let us help you choose the best Android tablet for youOur list of the best Android tablets in the world - regularly updated If you're looking for a tablet and don't fancy an iPad, then Android is currently the way to go. (Don't know what an Android tablet is?
1. Google Nexus 7
Manufactured by Asus to Google's specifications, the Nexus 7 ushers in a new era of affordable, quality Android tablets. Packing
a Tegra 3 quad-core processor, 12 core GPU, 8GB and 16GB internal
storage and 7-inch 1280 x 800 screen, the Nexus 7 certainly has the
skills to pay the bills, but at a highly attractive price point.
2. Google Nexus 10
The
10.1 display is one of the biggest talking points on the Google Nexus
10. At 300 pixels per inch it's the highest resolution tablet display on
the planet - take that, Apple and your Retina displays. It's a
great performer too. Other than taking a while to process panoramic
photos we never felt like it was struggling to keep up. It's fast and
smooth whatever you throw at it. Sure it may not be as stunning to
look at, or as well built as an iPad, and the lack of expandable memory
will irk some, but overall the Nexus 10 gives you a quality, big-screen
Android experience which is not to be sniffed at. On top of that,
the tablet has already been updated to Android 4.2.1, which brings back
the month of December in some calendar apps (well done, Google) and
adds support for some security issues too, showing this is the tablet to
buy if you want a larger screen that Google won't give up on.
3. Asus Transformer Pad Infinity
If
it wasn't for the higher price, the Infinity would be a real contender
for the top spot. It's got everything you could want in a tablet - and a
keyboard dock as standard too. With the latest version of Android
on the way, a simple interface and more ports than you can poke with a
stick, the Infinity is the tablet that can handle anything you can throw
at it. Add in the Super IPS panel with a tremendous resolution,
and you can see why this is a tablet to rate very highly - especially if
you're fond of typing on the go but crave the simplicity of a slate
too. New firmware updates in some territories have brought features like
Wi-Fi Direct to the Infinity, and Android 4.2 will be landing soon too.
4. Amazon Kindle Fire HD
What's
better than a modern tablet with a quad core processor? One that costs
just £159. That's right: the power of the Kindle brand has mated with an
HD screen and won't charge you the earth to own it. Coming in at
16GB and 32GB flavours, the Kindle Fire HD is sure to be a big hit,
bringing the simplicity of the e-book range to the tablet arena, with
dedicated space to access your movies, games, apps and music too. A
recent update has added a camera app for the front-facing camera and
Swype support, so there are even more (admittedly tiny) reasons to shell
out. It's a little simplistic for some, but for others it's the
perfect mix of curated content and easy to use interface - and despite
the price, it's got a decent build quality too.
5. Samsung Galaxy Note 10.1
What's
better than a tablet with a big screen? A tablet with a big screen, a
quad core processor and the might of the S Pen... known as a stylus to
me and you. Well, not just a stylus - with many levels of pressure
sensitivity and the ability easily sketch and annotate on a wide range
of items, the Galaxy Note 10.1 offers so much more than your average
tablet. We're huge fans of the alternative choice here, and it
even comes with a microSD slot to boot. Android 4.1 is landing at the
moment, and comes with a Premium Suite update, designed to make
multi-tasking and general use that much easier.
6. Samsung Galaxy Tab 8.9
In
at number four is the Samsung Galaxy Tab 8.9 - and it's a funny little
thing. It's essentially the same as its older brother, the Samsung Galaxy Tab 10.1,
but with an 8.9-inch screen. It's slightly thinner and lighter, and
consequently more convenient for anyone wanting to stuff it in a bag. Apart
from these physical attributes, the internal components are basically
the same. So you get the same slick performance and overall tablet
experience. We've put this above the 10.1 because of the increased
convenience owed to its slightly smaller size, but that shouldn't put
you off going for the 10.1 if you're after a bigger screen.
7. Asus Transformer Pad 300
The
Transformer Pad 300 offers up the power of a quad-core Tegra 3
processor, a 10.1-inch display and 12 hour battery life in a device
that's cheaper than the Transformer Prime. A big plus point for
the 300 is the fact that it comes running Android Ice Cream Sandwich out
of the box – keeping it bang up to date with the Android OS – and it's
even better news as Asus is keeping up with its reputation of being one
of the bset to support its older devices, with Jelly Bean landing soon. However,
the price difference is noticeable when it comes to the materials used
to build the 300, with its plastic body not feeling as premium or
solid as the more expensive Prime – that said, the Transformer Pad 300
is still a great tablet.
8. Asus Transformer Prime
Some alternatives...
The
Transformer Prime packs a mighty 1.3GHz quad-core processor into a
super-slim 8.6mm chassis and although it shipped with Android 3.2, the
Prime was the first Android tab to receive the upgrade to Ice Cream Sandwich, and it's now been confirmed to be getting an update to Android 4.2 in the near future. That
huge processor means using the Transformer Prime is a breeze, with it
able to process Full HD movies and multiple apps with ease. You
also get a super-crisp 10.1-inch IPS display (1280 x 800), a
surprisingly good 8MP camera capable of recording 1080p video, and 32GB
of internal storage, with a microSD card slot available if you need more
space.
9. Samsung Galaxy Tab 10.1
Back in the day the Galaxy Tab 10.1 offered a direct alternative to Apple's iPad 2 - however times have moved on since then and this Samsung slate can longer compete at the top. Sporting
the Tegra 2 dual-core CPU, it's both marginally thinner and lighter
than the iPad. This was some achievement, especially when you consider
the fuss Apple made about how thin and light the iPad 2 was on launch. It's
also had a tasty price drop to less than £300 in some stores, which
means that while it might not have the specs of the top-table lot, it's
still got a decent amount of grunt and a quality screen, making a strong
proposition as a present for someone that 'just wants a tablet'.
10. Asus Eee Pad Slider
The
Apple iPad is the daddy. It doesn't matter what the arguments for
Android are, the fact is that the iPad is still just about the best
out-and-out tablet out there. And that's why the Slider is such a
compelling option - it's not a straight iPad competitor, it offers
something different. The slide-out keyboard offers flexibility and
functionality not on offer elsewhere. It's a different prospect
to the Transformer Prime above, in that it cannot be disconnected from
its keyboard, nor does it pack the Tegra 3 innards. But what it
does do is make it easier to work on the train, type emails and
documents with the convenience of not needing a dock or peripheral.
What's more, the screen is the best we've seen on a 10-inch Android
tablet, and it's also the most responsive.
11. Sony Tablet S
As
a veritable mega-giant in the consumer tech universe, Sony's landing on
Planet Tablet was always going to be interesting. Blasting off
alongside the fold-in-half Sony Tablet P, the Sony Tablet S has a unique wedge-shaped design and top-end specs.
12. Toshiba AT200
The
AT200 is extremely thin, clocking in at a super slender 7.7mm thin,
which means you can slide it into your bag without issue - and at 535g,
you probably won't notice it's in there. You get a 10.1-inch
1280 x 800 TFT display, 1.2GHz dual-core processor, 1GB of RAM, 5MP
rear camera, 2MP front camera and a decent array of ports including
microSD, USB and HDMI. Toshiba has also dropped the price of the
AT200 just a few months after launch to keep it competitive in the
market, but it's exclusively at Carphone Warehouse in the UK for the
time being.
Quick verdict
The Toshiba AT200 is a good,
solid and portable device, delivering everything you'd expect from an
unfussy Android slate. If you're looking for a standard tablet
experience, the AT200 is certainly worth a look.
13. Acer Iconia Tab A510
For
your financial outlay, the Acer Iconia Tab A510 represents a shrewd
investment, especially for people willing to accept a few minor flaws.
14. Huawei MediaPad 7
Seven-inch
tablets are a much better fit for the human hand than bigger ones.
Huawei's new MediaPad 7, unlike the iPad, is so small that you can
comfortably stick it in your inside jacket pocket, making it a fully
portable no-brainer. Huawei made much of this being the first
Android 3.2 Honeycomb tablet, but that's not much of a big deal now that
Android 4.0, aka Ice Cream Sandwich (ICS), has landed.
15. Motorola Xoom
The Motorola Xoom was the first Honeycomb tablet to hit the shelves, and is thus the grandfather of the Android stable.
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