Reader Rocket Review Our evaluation of 7HD vs Fire HD 8.9"


How do the screens stack up?

Resolution, pixel density and Screen size


How good is the supporting ecosystem?

e-bookstore size, average NYT best sellers price, NYT's top selling titles and 4 more


How responsive and how long does the e-reader last?

Battery life


How do our trusted review sites rank these products?

Reviews from multiple trusted sites

Reader Rocket Score

Display, Bookstore, Performance and Reviews

Amazon Kindle Fire HD 8.9" 

Reader Rocket recommends the Amazon Kindle Fire HD 8.9"  based on its bookstore and performance.

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Differences What are the advantages of each

Front view of Kobo Arc 7HD

Reasons to consider the
Kobo Arc 7HD

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Significantly lighter weight 341 g vs 567 g Around 40% lighter weight
Faster processor 1,700 MHz vs 1,500 MHz Around 15% faster processor; a faster processor improves responsiveness
Front view of Amazon Kindle Fire HD 8.9"

Reasons to consider the
Amazon Kindle Fire HD 8.9"

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Customer loyalty program Yes (Kindle Store) vs No (Kobo Books) About half of E-Readers support customer loyalty program
Has reader-to-reader lending Yes (Kindle Store) vs No (Kobo Books) Somewhat common; e-books can be loaned to a friend for a 14 day period; each e-book can only be loaned once
Can take notes Yes vs No About half of E-Readers support take notes
Bigger screen 8.9" vs 7" More than 25% bigger screen
Thinner 8.8 mm vs 9.6 mm Around 10% thinner ; easily slides into bags
Supports text to speech Yes vs No About half of E-Readers support text to speech
Bigger bookstore 4 M book (Kindle Store) vs 3.5 M book Around 15% larger e-bookstore size; totalling paid & free books, this reader's bookstore offers a larger selection of reading material

Specifications Full list of technical specs


Arc 7HD  vs
Kindle Fire HD 8.9" 
Screen resolution 1920 x 1200 1920 x 1200
Screen size 7" 8.9"
Pixel density 323 ppi 254 ppi
Screen type LCD LCD
Touchscreen Capacitive Capacitive
Flashes screen black during page turns No No


Sync across multiple devices Yes Yes
Note taking No Yes
Text to speech No Yes
Web browser Yes Yes
Stereo speakers No Yes
Evernote integration Yes Yes
Accelerometer Yes Yes


Expansion slot None None
Memory 16 GB 64 GB

form factor

Size 122 x 194 x 9.6 mm 240 x 164 x 8.8 mm
Weight 341 g 567 g
Interface touchscreen touchscreen
Headphone jack Yes Yes


Arc 7HD  vs
Kindle Fire HD 8.9" 
Input/Output port micro-USB micro-USB
Wi-Fi 802.11b/g/n 802.11b/g/n
Bluetooth connectivity Yes Yes

technical specs

RAM 1 MB 1,024 MB
Processor 1,700 MHz 1,500 MHz


Bookstore Kobo Books Kindle Store
EBookstore size 3.5 M book 4 M book
Free content free content 1.89 M books 2.5 M books
Customer loyalty program No Yes
Average NYT best sellers price $9.95 $9.24
Number of NYT top-selling titles offered+ 38 38
Reader-to-reader lending No Yes
Cloud storage Yes Yes
Reading apps iOS, Android, BlackBerry, PC and Mac iOS, Android, BlackBerry, Windows Phone, PC and Mac
Additional electronic offerings newspapers, magazines and comics/graphic novels newspapers, magazines, comics/graphic novels, textbooks, audio-books and blogs
Has retail store locations No No
Kobo Arc 7HD
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Amazon Kindle Fire HD 8.9"
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