A Brief Overview of iPod Touch

Enter the fifth-generation iPod touch, the 2012 model that has slimmed down to a mere 6.1mm in thickness. It's also about 10 percent lighter -- despite being grafted with a new 4-inch Retina display. Not only is it bigger and thinner, but it's far faster and has hugely improved cameras on both the front and rear.

Hardware
The fifth generation improves on that in every regard. As mentioned above, it now measures 6.1mm thick, while its width and height clock in at 4.86 by 2.31 inches (123.4 x 58.6mm). Compared to the fourth-generation touch, which measured 111 x 58.9 x 7.2mm, the new iPod is considerably thinner, fractionally narrower and massively taller. It's also noticeably lighter, at 3.1 ounces (88 grams) compared to 3.56 ounces (101 grams) for the outgoing model. The crimson hue sets up a nice contrast to the white bezel around the glass on the front, as well as the white plastic that forms the rim of the 3.5mm headphone jack, which still lives on the bottom.

Display
The vertical growth of the iPod touch is for one reason and one reason only: to accommodate the new 4-inch display that debuted in the iPhone 5. Yes, this is the exact same panel as the iPhone, not a cut-rate version like the last iPod touch received. That means a 326dpi, 1,136 x 640 IPS LCD screen.  Brightness and contrast are top-notch and viewing angles are wide enough to ensure that you can enjoy everything from all sides. However, we would point out the lack of a brightness sensor here, so unlike the iPhone (and, indeed, the last iPod touch) this thing won't use an appropriate brightness for all lighting conditions -- at least, not without a little help from you.

Performance
The fifth-generation iPod touch sports a dual-core A5 processor and, while Apple isn't quoting specs, thanks to benchmarking apps we know it's running at 800MHz and is paired with dual-core PowerVR graphics. We've not been able to run the device through a full battery test, but Apple rates the new iPod touch as having the same music listening time as the previous generation (40 hours) and rates its video playback for an hour longer.

Cameras
While the new display is the most noticeable departure from the previous-generation iPod and the new silicon on the inside certainly makes for a markedly improved experience, it's the pair of new shooters that mark the biggest step forward from the previous touch. The 1.2-megapixel FaceTime HD camera up front appears to be the same as we've seen in other devices, meaning it's quite good even in conditions with middling light.

It's the 5-megapixel setup on the back that's the star of the show. Photos are light-years beyond those captured by the previous touch, meaning this does indeed do a reasonably good job as a compact camera.

Software
Well, it's Ios, so you should know more or less what to expect here. Siri is now here, so you can get yourself some spoken-word advice from your slender PMP, and all the iCloud, Safari and other upgrades that were grafted onto the latest version of Apple's mobile OS have all come along for the ride.

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