Sony Reader Touch Edition PRS-650 vs Sony Reader Wi-Fi PRS-T1

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Reader Touch Edition PRS-650 compared with Reader Wi-Fi PRS-T1

	SonyReader Touch Edition PRS-650	SonyReader Wi-Fi PRS-T1
Overview
Released
Released	September 2010	October 2011
Screen
Screen size
Screen size	6″	6″
Resolution
Resolution	800 × 600	800 × 600
Sharpness
Sharpness	167 pixels per inch (calculated)	167 pixels per inch (calculated)
Colour
Colour	No	No
Front light
Front light	No	No
Display detail
Display detail	E Ink Pearl electronic paper with 16 greyscale levels and optical touch sensing	E Ink Pearl V220 electronic paper with 16 greyscale levels and infrared dual-touch sensing
Front light
Front light	No built-in light; optional illuminated cover	No built-in light; optional cover with lighting arm
Page turns and refresh
Page turns and refresh	Finger swipe or physical page-turn buttons; six font sizes and adjustable contrast	Finger swipe or page-turn buttons; pinch-to-zoom, eight font sizes and six font styles
Reading and writing
Stylus
Stylus	Yes	Yes
Page-turn buttons
Page-turn buttons	Yes	Yes
Audiobooks
Audiobooks	Yes	Yes
Storage
Storage	2 GB	2 GB
Software
Software	Other	Other
Formats
Formats	EPUB, PDF and TXT; Japanese version also supports XMDF and .book content; JPEG, GIF, PNG and BMP images	EPUB, PDF and TXT documents; JPEG, PNG, GIF and BMP images
Book store
Book store	Sony Reader Store at launch; books transferred through a computer	Sony Reader Store support and web downloads; UK store was not open when Expert Reviews tested in November 2011
Library loans
Library loans	–	Wireless public-library borrowing offered at launch in the UK, US and Canada with a valid library card
Stylus
Stylus	Included touch pen for annotations and handwritten memos	Included stylus for handwritten notes and highlights
Note taking
Note taking	Handwritten annotations, highlights, bookmarks, text notes and dictionary lookup	Freehand notes, highlights, bookmarks, text annotations and dictionary lookup
Connections and battery
Battery life (maker's claim)
Battery life (maker's claim)	Up to 2.5 weeks	–
Battery life detail
Battery life detail	Built-in lithium-ion battery; up to 2.5 weeks reading 30 minutes per day under the maker's revised test, or approximately 10,000 continuous page turns; older test claimed 14 days at 75 minutes per day	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	Micro-USB computer charging approximately 3 hours; optional PRSA-AC1 adaptor approximately 2 hours	Micro-USB computer charging approximately 2.5 hours; optional mains adaptor approximately 2 hours
Connectivity
Connectivity	Micro-USB, SD up to 2 GB and SDHC up to 32 GB, Memory Stick PRO Duo; no Wi-Fi or 3G; approximately 1.4 GB user-accessible internal storage	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	Stereo headphone socket for unprotected MP3 and AAC, including compatible spoken-word files; no Audible DRM support stated	Stereo headphone socket for unprotected MP3 and AAC, including compatible spoken-word files; no Audible DRM or dedicated audiobook support
Design
Weight
Weight	215 g	168 g (better)
Materials
Materials	–	Plastic body
Size
Size	118.8 × 168 × 9.6 mm excluding projections; maximum 119.1 × 169.6 × 10.3 mm	173 × 110 × 8.9 mm
Colours
Colours	Silver, red and black, depending on region	Black, white and red
In the box
In the box	Touch pen, USB cable, two dummy memory cards and documentation	USB cable and stylus pen