Reader Rocket Review Our evaluation of Aura HD vs Fire


How do the screens stack up?

Resolution, pixel density and Screen size


How good is the supporting ecosystem?

Aura HD
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?

Aura HD
Reviews from

Reader Rocket Score

Display, Bookstore, Performance and Reviews

Kobo Aura HD 

Reader Rocket recommends the Kobo Aura HD  based on its display and performance.

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Differences What are the advantages of each

Front view of Kobo Aura HD

Reasons to consider the
Kobo Aura HD

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Expandable memory microSD (up to 32GB) vs None About half of E-Readers have an expansion slot ; store more content with a removable microSD card
Much longer battery life 28 hour vs 7.5 hour Around 3.8x longer battery life; read more between charges
Lighter weight 240 g vs 413 g More than 40% lighter weight
Is readable in direct sunlight Yes (E-Ink) vs No (LCD) Somewhat common; text doesn't look washed out in direct daylight
Uses an open platform Yes vs No Somewhat common; can download ebooks from any source offering formats supported by device
Higher resolution screen 1440 x 1080 vs 1024 x 600 More than 2.5x higher resolution screen
Front view of Amazon Kindle Fire

Reasons to consider the
Amazon Kindle Fire

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Has an app store Kindle Store vs None Most E-Readers have an app store
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 display full color Yes (LCD) vs No (E-Ink) Somewhat common; view images, read comics, and web-browse in full color
Can run Android apps Yes vs No About half of E-Readers support
No black flash when turning pages No (LCD) vs Yes (E-Ink) Somewhat common; provides less obtrusive page turns
Bigger bookstore 4 M book (Kindle Store) vs 3.2 M book (Kobo Books) Around 25% larger e-bookstore size; totalling paid & free books, this reader's bookstore offers a larger selection of reading material
Faster processor 1,200 MHz vs 1,000 MHz 20% faster processor; a faster processor improves responsiveness

Specifications Full list of technical specs


Aura HD  vs
Kindle Fire 
Screen resolution 1440 x 1080 1024 x 600
Screen size 6.8" 7"
Pixel density 264 ppi 169 ppi
Built-in light ComfortLight LED backlight
Screen type E-Ink LCD
Touchscreen Infrared Capacitive
Flashes screen black during page turns Yes No


Sync across multiple devices Yes Yes
Note taking Yes Yes
Web browser Yes Yes


Expansion slot microSD (up to 32GB) None
Memory 4 GB 8 GB

form factor

Size 128 x 175 x 11.7 mm 190 x 120 x 11.4 mm
Weight 240 g 413 g
Interface touchscreen touchscreen
Headphone jack No Yes


Aura HD  vs
Kindle Fire 
Input/Output port micro-USB micro-USB
Cellular data None None
Bluetooth connectivity No No

technical specs

RAM 1,024 MB 1,024 MB
Processor 1,000 MHz 1,200 MHz
Document support
Image support


Uses an open platform Yes No
Bookstore Kobo Books Kindle Store
EBookstore size 3.2 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 Aura HD
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Amazon Kindle Fire
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