Kobo Clara BW vs Sony Reader Wi-Fi PRS-T1

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Clara BW compared with Reader Wi-Fi PRS-T1

	KoboClara BW	SonyReader Wi-Fi PRS-T1
Overview
Released
Released	April 2024	October 2011
Screen
Screen size
Screen size	6″	6″
Resolution
Resolution	1448 × 1072	800 × 600
Sharpness
Sharpness	300 pixels per inch (better)	167 pixels per inch (calculated)
Colour
Colour	No	No
Front light
Front light	Yes, adjustable warmth	No
Display detail
Display detail	E Ink Carta 1300 HD touchscreen, glare-free; Dark Mode; 300 ppi (The eBook Reader; Kobo lists only the resolution)	E Ink Pearl V220 electronic paper with 16 greyscale levels and infrared dual-touch sensing
Front light
Front light	ComfortLight PRO, adjustable brightness and colour temperature	No built-in light; optional cover with lighting arm
Page turns and refresh
Page turns and refresh	–	Finger swipe or page-turn buttons; pinch-to-zoom, eight font sizes and six font styles
Reading and writing
Stylus
Stylus	No	Yes
Page-turn buttons
Page-turn buttons	No	Yes
Audiobooks
Audiobooks	Yes	Yes
Storage
Storage	16 GB (better)	2 GB
Software
Software	Kobo	Other
Formats
Formats	15 formats natively (EPUB, EPUB3, FlePub, PDF, MOBI, JPEG, GIF, PNG, BMP, TIFF, TXT, HTML, RTF, CBZ, CBR)	EPUB, PDF and TXT documents; JPEG, PNG, GIF and BMP images
Book store
Book store	Kobo Store; Kobo Plus subscription	Sony Reader Store support and web downloads; UK store was not open when Expert Reviews tested in November 2011
Library loans
Library loans	OverDrive and Libby in select countries	Wireless public-library borrowing offered at launch in the UK, US and Canada with a valid library card
Stylus
Stylus	–	Included stylus for handwritten notes and highlights
Note taking
Note taking	–	Freehand notes, highlights, bookmarks, text annotations and dictionary lookup
Connections and battery
Battery life (maker's claim)
Battery life (maker's claim)	Up to 7.6 weeks	–
Battery life detail
Battery life detail	Up to 53 days at 30 minutes of reading a day, front light at 10% and wireless off; 1500 mAh	UK maker claims over one month with wireless off or 3 weeks with wireless on at 30 minutes reading per day; approximately 14,000 continuous EPUB page turns
Charging
Charging	USB-C	Micro-USB computer charging approximately 2.5 hours; optional mains adaptor approximately 2 hours
Connectivity
Connectivity	Wi-Fi 802.11 ac/b/g/n (2.4 and 5 GHz), Bluetooth, USB-C; 1.0 GHz processor	Wi-Fi IEEE 802.11b/g/n with WEP, WPA-Personal, WPA2-Personal and WPS; micro-USB and microSD up to 32 GB; approximately 1.3 GB user-accessible storage on the UK model, versus 1.4 GB in Japanese specifications
Audio
Audio	Kobo Audiobooks over Bluetooth headphones or speaker (select countries)	Stereo headphone socket for unprotected MP3 and AAC, including compatible spoken-word files; no Audible DRM or dedicated audiobook support
Design
Weight
Weight	174 g	168 g (better)
Water resistance
Water resistance	IPX8	–
Materials
Materials	Exterior of at least 85.5% recycled content, including 10% ocean-bound plastic; repairable	Plastic body
Water resistance detail
Water resistance detail	Waterproof for up to 60 minutes in up to 2 metres of water	–
Size
Size	112 × 160 × 9.2 mm	173 × 110 × 8.9 mm
Colours
Colours	Black	Black, white and red
In the box
In the box	–	USB cable and stylus pen