Sony Reader Touch Edition PRS-650 vs Sony Reader PRS-700

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Reader Touch Edition PRS-650 compared with Reader PRS-700

	SonyReader Touch Edition PRS-650	SonyReader PRS-700
Overview
Released
Released	September 2010	November 2008
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	Yes
Display detail
Display detail	E Ink Pearl electronic paper with 16 greyscale levels and optical touch sensing	Electronic paper with touch overlay; 800 × 600 resolution and eight greyscale levels reported by MobileTechReview
Front light
Front light	No built-in light; optional illuminated cover	Built-in LED reading lights; Standard and Bright settings
Page turns and refresh
Page turns and refresh	Finger swipe or physical page-turn buttons; six font sizes and adjustable contrast	Swipe, hold-to-turn continuously or physical page buttons; five text sizes and page zoom
Reading and writing
Stylus
Stylus	Yes	Yes
Page-turn buttons
Page-turn buttons	Yes	Yes
Audiobooks
Audiobooks	Yes	Yes
Storage
Storage	2 GB (better)	420 MB
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 and PDF including Adobe DRM; BBeB, TXT and RTF; Word converted to RTF; JPEG, GIF, PNG and BMP
Book store
Book store	Sony Reader Store at launch; books transferred through a computer	Computer-based Sony eBook Store purchases offered at launch; USB or memory-card transfer
Stylus
Stylus	Included touch pen for annotations and handwritten memos	Included stylus with body storage slot
Note taking
Note taking	Handwritten annotations, highlights, bookmarks, text notes and dictionary lookup	Highlights and annotations entered using the on-screen keyboard; searchable terms
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	Up to 7,500 continuous BBeB page turns at approximately one page per second; light-only claims of 8 hours Standard or 4 hours Bright with no operations
Charging
Charging	Micro-USB computer charging approximately 3 hours; optional PRSA-AC1 adaptor approximately 2 hours	Computer USB; optional AC-S5220E mains adaptor
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	USB; separate Memory Stick Duo/PRO Duo and SD/SDHC slots; maker operation checks up to 16 GB for each card family; approximately 420 MB available for user content
Audio
Audio	Stereo headphone socket for unprotected MP3 and AAC, including compatible spoken-word files; no Audible DRM support stated	3.5 mm headphone socket; unprotected MP3 and AAC only; playback while reading supported
Design
Weight
Weight	215 g (better)	280 g
Size
Size	118.8 × 168 × 9.6 mm excluding projections; maximum 119.1 × 169.6 × 10.3 mm	127.6 × 174.3 × 9.7 mm without soft cover; 280 g also excludes cover
Colours
Colours	Silver, red and black, depending on region	Black
In the box
In the box	Touch pen, USB cable, two dummy memory cards and documentation	Reader, stylus, USB cable, protective soft cover and eBook Library PC software