Reader Rocket Review Our evaluation of Aura HD vs HD Plus

Display

How do the screens stack up?

Resolution, pixel density and Screen size

Bookstore

How good is the supporting ecosystem?

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

Performance

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

Battery life

Reviews

How do our trusted review sites rank these products?

Reviews from techradar.com

Reader Rocket Score

Display, Bookstore, Performance and Reviews

Winner
Kobo Aura HD 

Reader Rocket recommends the Kobo Aura HD  based on its 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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Doesn't use a proprietary power connector No (micro-USB) vs Yes (30-pin port) Somewhat common; Standardized connectors are cheap, compatible and easy to find
Significantly lighter weight 240 g vs 515 g 2.1x lighter weight
Significantly longer battery life 28 hour vs 10 hour More than 2.8x longer battery life; read more between charges
Much better Input/Output port micro-USB vs 30-pin port 100% better Input/Output port
Is readable in direct sunlight Yes (E-Ink) vs No (LCD) Somewhat common; text doesn't look washed out in direct daylight
Supports the Mobi e-book format Yes vs No About half of E-Readers support the Mobi e-book format
Front view of Barnes & Noble NOOK HD Plus

Reasons to consider the
Barnes & Noble NOOK HD Plus

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Has an app store NOOK Apps vs None Most E-Readers have an app store
Has reader-to-reader lending Yes (NOOK Book 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
Noticeably bigger screen 9" vs 6.8" More than 30% bigger screen
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
Significantly faster processor 1,500 MHz vs 1,000 MHz 50% faster processor; a faster processor improves responsiveness
Higher resolution screen 1920 x 1280 vs 1440 x 1080 Around 60% higher resolution screen

Specifications Full list of technical specs

screen

Aura HD  vs
NOOK HD Plus 
Screen resolution 1440 x 1080 1920 x 1280
Screen size 6.8" 9"
Pixel density 264 ppi 256 ppi
Built-in light ComfortLight LED backlight
Screen type E-Ink LCD
Touchscreen Infrared Capacitive
Flashes screen black during page turns Yes No

features

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

storage

Expansion slot microSD (up to 32GB) microSD (up to 64GB)
Memory 4 GB 32 GB

form factor

Size 128 x 175 x 11.7 mm 240.3 x 162.8 x 11.4 mm
Weight 240 g 515 g
Interface touchscreen touchscreen
Headphone jack No Yes

connectivity

Aura HD  vs
NOOK HD Plus 
Input/Output port micro-USB 30-pin port
Cellular data None None
Wi-Fi 802.11b/g/n 802.11b/g/n
Bluetooth connectivity No Yes

technical specs

RAM 1,024 MB 1,024 MB
Processor 1,000 MHz 1,500 MHz
Document support
XLS
DOC
PDF
XLX
TXT
PPT
RTF
ePUB
CBR
CBZ
HTML
MOBI

bookstore

Uses an open platform Yes Yes
Bookstore Kobo Books NOOK Book Store
EBookstore size 3.2 M book 3.27 M book
Free content free content 1.89 M books 1.84 M books
Customer loyalty program No No
Average NYT best sellers price $9.95 $9.64
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, PC and Mac
Additional electronic offerings newspapers, magazines and comics/graphic novels newspapers, magazines, comics/graphic novels, textbooks, and audio-books
Has retail store locations No Yes
Kobo Aura HD
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Barnes & Noble NOOK HD Plus
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