Reader Rocket Review Our evaluation of 10HD vs Paperwhite


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

Kobo Arc 10HD 

Reader Rocket recommends the Kobo Arc 10HD  based on its display.

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Differences What are the advantages of each

Front view of Kobo Arc 10HD

Reasons to consider the
Kobo Arc 10HD

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Much bigger screen 10.1" vs 6" Around 70% bigger screen
Much higher resolution screen 2560 x 1600 vs 1024 x 768 Around 5.2x higher resolution screen
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
Can display full color Yes (LCD) vs No (E-Ink) Somewhat common; view images, read comics, and web-browse in full color
Much faster processor 1,800 MHz vs 800 MHz 2.2x faster processor; a faster processor improves responsiveness
No black flash when turning pages No (LCD) vs Yes (E-Ink) Somewhat common; provides less obtrusive page turns
Automatically adjusts screen orientation Yes vs No Somewhat common; auto-adjusts between portrait & landscape based on orientation
Front view of Amazon Kindle Paperwhite

Reasons to consider the
Amazon Kindle Paperwhite

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Much lighter weight 221 g vs 627 g 2.8x lighter weight
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
Significantly longer battery life 28 hour vs 9.5 hour Around 3x longer battery life; read more between charges
Can take notes Yes vs No About half of E-Readers support take notes
Is readable in direct sunlight Yes (E-Ink) vs No (LCD) Somewhat common; text doesn't look washed out in direct daylight
Thinner 9 mm vs 9.9 mm Around 10% thinner ; easily slides into bags
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 10HD  vs
Kindle Paperwhite 
Screen resolution 2560 x 1600 1024 x 768
Screen size 10.1" 6"
Pixel density 298 ppi 213 ppi
Screen type LCD E-Ink
Touchscreen Capacitive Capacitive
Flashes screen black during page turns No Yes


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


Expansion slot microSD (up to 32GB) None
Memory 16 GB 2 GB

form factor

Size 253 x 172 x 9.9 mm 116 x 170 x 9 mm
Weight 627 g 221 g
Interface touchscreen touchscreen
Headphone jack Yes No


Arc 10HD  vs
Kindle Paperwhite 
Input/Output port micro-USB micro-USB
Wi-Fi 802.11 a/b/g/n 802.11b/g/n
Bluetooth connectivity Yes No

technical specs

RAM 2 MB 256 MB
Processor 1,800 MHz 800 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 10HD
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Amazon Kindle Paperwhite
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