Kindle 2 Vs Sony PRS-505

Here’s a comparison between Kindle 2 and PRS-505…




Kindle 2



6”diagonal E Ink®

600×800 pixel

8-level gray scale

6”diagonal E Ink®

600×800 pixel

16-level gray scale


4.9” x 6.9” x 0.3” 5.3 “ x 8.0” x 0.36”


8.8 oz 10.2 oz


160 books 1500 books


5 sizes 6 sizes


PDF (unencrypted)
















PDF (experimental)



Unprotected Mobipocket (.prc, .mobi)





Over 160, 000 books available from the CONNECT™ StoreLatest bestsellers

Fiction, non-fiction, business, self-help and more.

Free first chapters available, plus author bios and reviews.

Most titles cost less than their print versions, and CONNECT™ offers additional specials.

More than 300,000 books at Amazon store.- U.S. newspapers including The New York Times, Wall Street Journal, and Washington Post; top magazines including TIME, Atlantic Monthly, and Forbes

Top international newspapers from France, Germany, and Ireland.

Over 250 top blogs.

Email your Word documents and pictures (.JPG, .GIF, .BMP, .PNG) to Kindle for easy on-the-go viewing.

Free book samples. Download and read first chapters for free before you decide to buy.


SD slotMemory stick Duo slot No slots

Computer requirement

Require computer to browse for, buy, and download books. For purchase and content download in non- wireless coverage area

For USB charging.


No wireless connectivity.Download books from CONNECT store, to your computer,

Use the CONNECT Reader software to access books on your computer

Use USB cable to transfer content from your computer device.

Use EVDO/CDMA Wireless connectivity to shop the Kindle store and download content

USB cable for content transfer when necessary.

Content delivery time

As fast as internet connection and USB cable will allow. Less than a minute when done wirelessly.USB- as fast as internet connection and USB cable will allow.


No Yes

Power supply

Rechargeable Lithium-ion BatteryAC Power : Optional AC Charger requires 120 Volts 60Hz

Battery Recharge

– AC adapter: Approx. 2 hours.
– USB-cable: Approx. 4 hours

  • Read 7,500 page with a single charge
Rechargeable Lithium Polymer Battery.AC Power adapter

Turn wireless off and read for a week or more before recharging.

Fully recharges in 4 hours with USB 2.0 cable


PC Management SoftwareSoft cover

USB cable

AC Power

Power adapterUSB 2.0 cable

Special Features

Screen RotationJump forward numerous pages

You can lock the device by putting on a four digit password that will need to be entered anytime the Reader is turned on

You can download and listen to MP3 files on the Sony reader as you would on the player itself or as background music while reading.

Text-to-Speech feature allows device to read to you.New York Times Best Sellers and New Releases $9.99

New 5-way controller

Images and can be zoomed to the full size of the screen

50,000 audio titles from

New Whispersync technology allows you to switch back and forth between your Kindle devices and iPhone.

Basic Web browser reads simple, text-centric Web sites

Transfer MP3 files to Kindle as background music while you read

Free book samples

Built in dictionary

Search within books


Screen: 8 level gray scale as opposed to Kindle’s 16.

Size: Sony is smaller in every dimension.

Computer Requirement: Required at all times for sony content download. Need sometimes for Kindle (only in non-wireless coverage areas).

Sony – AA, PRC, MOBI, AZW, HTML not covered
Kindle – BBeB, AAC  not covered
everything else equal

Expansion:Sony holds 160 books in memory and offers  capacity to expand and hold additional content – up to 10 GB.

Kindle holds 1500 books in memory offers no expansion capacity, but offers content removal from memory for back-up at

Connectivity: Both utilizes computer as a connectivity source. Kindle bypasses this requirement when in a wireless coverage area.

Content: Much more content availability with Kindle.

Weight: Sony reader a little lighter.

Capacity: Kindle holds more titles in internal memory.

Battery Power: Both devices give good content mileage.

Fees: Neither device charges a fee for download.

Accessories: Just about the same (Sony includes connection software).

Update I
Can you Rotate the screen?
YES for the PRS-505, NO for the kindle . To rotate the Screen on your PRS-505, simple hold down the “Size” button for about 5 seconds and the screen will rotates from portrait to landscape and back.

Can you jump forward more than one page at a time in either device?
YES for both devices.
For the PRS-505, hold the “Page Forward” or “Back” button for five seconds and the page will jump 10 pages in the direction of the button. For the Kindle, hold down the “Alt + Prev Page” or “Alt + Next Page” buttons and the page will jump in the direction of the button by quite a few pages. I am not sure how much, but it seems to be a little more than the PRS-505

* For the PRS-500:”1″ brings you to the start of the book. “2″ brings you to 20% of the book. “3″ to 30% and so on. So if you want to open to about half way in the book simply hit “5″.

How Can I Make PDF Look Better on the Device?
For the Kindle , you cannot do much right now – PDF display is still in the experimental phase. As for the PRS-505, its just a simple matter of reformatting your PDF document to fit the device. Most PDF documents are formatted to fit an 8 ½” x 11″ piece of paper and not a screen the size of the Reader. In this case the Reader will have to resize your files to display on its screen. Your files may look better if you reformat them with the Reader’s screen size in mind. You can go here to download directions on how to optimize PDFs for the Reader.

Why does the page sometimes change when I place the device in my bag?
You can control this for both Kindle and the PRS-505:
For the Kindle, simple press “Alt+A” to put the device to sleep before you put it away.
For the PRS-505, you will need to turn the device off using the power switch on the left hand side of the reader which will in-turn lock the buttons. When you are ready to read again, just turn the unit on and you will pick up right where left off.

Can You Lock the Device?
For the PRS -505, you can lock the device by putting on a four digit password that will need to be entered anytime the Reader is turned on. If you use this feature you will have to remember your password or call 1-866-962-7669.
No such password access for Kindle.

Update IIListening to Audio files

You can download (via USB cable) and listen to MP3 files only as background music. This means that you cannot create a play list or organize the files the way you would on a MP3 player. Once the music starts it will play until you stop it or switch to audio books. You can adjust the volume using the built-in volume control at the bottom of the device.

You can download and listen to MP3 files on the Sony reader as you would on the player itself or as background music while reading. Tracks are listed in alphabetical order. You simply need to select the music of choice, press “ENT,” and you are on your way. In the play mode, you can see “everything:” track name, artist name, album name, elapsed time, track number, total number of track, etc. You can fast forward, rewind, stop, play, adjust volume the normal way with the built-in volume control on the device.

You have the option of listening to audio file on kindle via the external built-in speakers or privately using a headphone. PRS-505 gives you no choice but to listen with a headphone as It is not equipped with external speakers.

Both devices use up a significant amount of battery power when audio is played…so use conservatively.

If you prefer to listen to your books as opposed to reading them, Kindle gives you the option of downloading and listening to audio books from PRS-505 does not offer you this option. For more information on how to access audio books for the Kindle go here.

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2 Responses

  1. I have the PRS-505 and there’s no way that it is half an inch thick. Perhaps the source of those specs should be verified. Unless 0.5″ really means half a centimeter.

    • Darek thanks for your input, just revisited the source and confirmed the thickness: PRS -505/LC – 0.3″ , PRS-505/RC- 0.3″, PRS-505/SC – 0.3″ which is actually 0.8 cm…even smaller.

      thanks for you input, it is much valued.

      Source: click here

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