Barnes and Noble's NOOKcolor

NOOKcolor: E-reader or Internet tablet?

The march of technology never ends. Not long ago (in the December 2010 issue of Linux Journal, actually), I reviewed the Android-powered NOOK e-reader from Barnes & Noble. That product was an E Ink-based product, running Android 1.5. What a difference a few months can bring. Barnes & Noble has just released its second-generation e-reader, the NOOKcolor. As one can gather from the name, the NOOKcolor's immediate distinguishing factor is a 7" color touchscreen, while the original NOOK had a 6" black-and-white E Ink screen.

Figure 1. The NOOKcolor

NOOKcolor—an Overview

Although the original NOOK was a decent enough e-reader and could be hacked to add additional functionality, the NOOKcolor borders on being an actual Android-powered tablet. Table 1 compares the specifications for the two units.

Table 1. NOOK vs. NOOKcolor

CPUSamsung S3C6410 (533MHz)TI OMAP 3621 (800MHz)
Storage2GB int., ext. MicroSD8GB int (5GB usable), ext. MicroSD
NetworkWi-Fi (Wi-Fi + 3G on 3G NOOK)Wi-Fi only
Screen600x800 E Ink 6", 480x144 color600x1024 7" color IPS
OSAndroid 1.5Android 2.1
KernelLinux 2.6.27Linux 2.6.29
Size7.7" x 4.9" x 0.5"8.1" x 5.0" x 0.48"
Weight12.1 oz15.8 oz
AudioMono speaker and headphonesMono speaker and headphones

Looking at the specs, you can see that the NOOKcolor is a much more capable device. Unlike the original NOOK, the NOOKcolor is much hungrier for battery life—that excellent color IPS screen gobbles a lot of power. The NOOKcolor can run for 8–10 hours on a charge, while the original NOOK was good for a couple days if I kept the wireless radios off. The NOOKcolor charges via the Micro USB connector on the bottom edge of the unit, much like the original NOOK did. However, unlike the original NOOK, the NOOKcolor must be plugged in to its wall charger to charge fully. A computer's USB port will supply only 500ma, which isn't enough to charge the NOOKcolor under operating conditions and will only slightly trickle-charge the unit when it's asleep. The NOOKcolor's wall charger puts out 2000ma, which is enough to charge the unit fully in about three hours. There is a little “n” logo embossed in the Micro USB cord end that glows with the charging status of the NOOKcolor (yellow for charging, green for fully charged), which is a nice touch.

As with the original NOOK, the NOOKcolor can read several media types:

  • EPUB e-books (with and without DRM).

  • Mobi/eReader e-books (with and without DRM).

  • PDF, XLS, DOC, PPT and other office-related formats.

  • MP3 and AAC audio files (can be played in the background while reading).

  • JPEG, GIF, PNG and BMP image types.

  • MP4 video playback (new to NOOKcolor).

The NOOKcolor also includes a fairly capable, much improved Web browser over the original NOOK, and it ships with Pandora Internet Radio, a chess game, a sudoku game and a crossword puzzle game.

Using the NOOKcolor

I've never covered an “unboxing” ritual before, but I feel compelled to mention it with the NOOKcolor. Your first impression of the NOOKcolor is when you open the box, and Barnes & Noble really did a great job on the packaging. It's a cardboard box that utilizes a magnetic closure to hold the lower one-third of the box closed. You pivot the lower one-third back, and it'll bend back and is held against the back of the box by another magnet, where you can reach inside the box and pull the NOOKcolor out of its recycled cardboard sarcophagus. It's wholly unnecessary, but absolutely awesome in its execution, and it gives you a clue as to what Barnes & Noble is thinking: the NOOKcolor is no device to be trifled with.

Figure 2. Unboxing the NOOKcolor

The initial boot of the NOOKcolor drops you into a wizard that walks you through your Barnes & Noble store account and initial Wi-Fi access point setup. The unit also displays a short video that shows you the NOOKcolor's features. The NOOKcolor doesn't have much in the way of hardware buttons—only a power button on the left edge, volume rocker on the right edge and an n button at the bottom center of the screen. If you push the n button, you'll be taken back to the home screen, where you can select any books on the NOOKcolor's desktop.

There's also a little arrow on the screen, right above the n button. Its normal mode is up, but when pressed, it rotates down, and a pop-up menu is exposed. This is the NOOKcolor's main menu. From here, you can select Library where you can choose your reading material. The Shop button connects you to the Barnes & Noble on-line store. The Search button is, well, a search. Extras is where the other NOOK programs are, such as Pandora, sudoku and chess. Web launches the Web browser, and Settings is where you can adjust system settings like Wi-Fi, screen brightness and so on.

Figure 3. NOOKcolor's Main Menu

As good as a reading experience as I found the original NOOK, the NOOKcolor is better in almost every way. The instantaneous response of the IPS color touchscreen is a treat after the perceptible wait of the E Ink screen of the original NOOK. Although I found the original NOOK acceptable, not having the flash of the screen and the page flipping delay is quite nice. I'm fortunate in that I'm not prone to eye strain, so looking at the NOOKcolor's screen wasn't an issue for me, but if you're prone to that, you might want to test-drive a NOOKcolor at your local Barnes & Noble for a bit. The one place the color screen is a liability is in bright light or sunlight. It just can't compete with the E Ink screen of the original NOOK under those conditions. Personally, I prefer the vivid, backlit screen of the NOOKcolor. You can see it in Figure 4, with John Scalzi's excellent book The Android's Dream displayed (get it if you haven't already!). All the original NOOK features for highlighting, bookmarking and instant dictionary lookup are present and accounted for.

Figure 4. Reading The Android's Dream

Page flipping on the NOOKcolor is a completely different experience from the original NOOK too, as the unit has no hardware page forward/reverse buttons. Instead, you use the touchscreen to swipe across the screen, like you are turning the pages of a book. Alternatively, tapping the right side of the screen advances the page, and tapping the left side of the screen flips a page back. Unfortunately, there is no “page-flipping” animation—the screen simply displays the next page. I'd like to see a page-flipping animation while using the swipe gesture and have the current behavior on screen taps, as the shorter gesture implies a faster page turn.

The NOOKcolor's on-line store experience is similar to the original NOOK, however, the vivid color screen really helps make the act of shopping a breeze. Again, Barnes & Noble built on its earlier technology and polished the edges of the on-line store, while keeping all of the good things about it, like automatic downloading of content in the event you replace your NOOK.

The Web browser is one area in which the old NOOK needed lots of work, and Barnes & Noble delivered. In fairness, it's the stock browser from Android 2.1, but the old NOOK's browser was so bad, the new browser beats it hands down. The new browser also scores 93/100 on the Acid3 test—not fully compliant, but it works a lot better than the browser in the original NOOK. It's this browser that makes you think the NOOKcolor may have more to it than meets the eye.

Figure 5. Linux Journal on the NOOKcolor


Bill Childers is the Virtual Editor for Linux Journal. No one really knows what that means.


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Looks like I have been living

chaz john's picture

Looks like I have been living under a rock. i spent the past weekend with my sister and her family. My brother-in-law and I got into a talk about, of all things, libraries. Somehow the conversation turned to the use of radio frequency id in his local library. While, I was familiar with the term at a baseline level, I had no idea how wide this technology spread.

He mentioned how the local library used them on everything they checked out. He also mentioned, how publishers are using RFID as a connection between print and online platforms.

This propelled me to think about my own ereading experience, and that I needed to educate myself on the nuance and capabilities of RFID.
Currently, I'm looking to learn about RFID readers(is a good place to start?) and really understand the process.

Man, my inner nerd came out in this post! I'm just really excited when I have a chance to learn about something new, especially an emerging technology.

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