Sony Reader Touch Edition PRS-650 vs Sony Reader Daily Edition PRS-950

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Reader Touch Edition PRS-650 compared with Reader Daily Edition PRS-950

	SonyReader Touch Edition PRS-650	SonyReader Daily Edition PRS-950
Overview
Released
Released	September 2010	November 2010
Screen
Screen size
Screen size	6″	7.1″
Resolution
Resolution	800 × 600	1024 × 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 with optical touch sensing and 16 greyscale levels; manual specifies 7.1-inch diagonal, marketed as seven-inch
Front light
Front light	No built-in light; optional illuminated cover	No integrated illumination
Page turns and refresh
Page turns and refresh	Finger swipe or physical page-turn buttons; six font sizes and adjustable contrast	–
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, BBeB LRF, TXT and RTF; Word converted to RTF by desktop software; JPEG, GIF, PNG and BMP
Book store
Book store	Sony Reader Store at launch; books transferred through a computer	Wi-Fi and AT&T 3G Reader Store access offered in the US at launch without monthly charges; USB transfer also supported
Library loans
Library loans	–	Adobe DRM EPUB and PDF public-library books supported (MobileTechReview)
Stylus
Stylus	Included touch pen for annotations and handwritten memos	Included pen with body storage slot
Note taking
Note taking	Handwritten annotations, highlights, bookmarks, text notes and dictionary lookup	Handwritten notes, highlights, text memos and drawings; dictionaries and translation dictionaries
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 20,000 continuous EPUB page turns at approximately one second per page in the maker's test
Charging
Charging	Micro-USB computer charging approximately 3 hours; optional PRSA-AC1 adaptor approximately 2 hours	Approximately 2.5 hours with supplied PRSA-AC1 adaptor; approximately 5 hours from computer USB
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; HSPA/WCDMA and GPRS/EDGE; micro-USB; Memory Stick PRO Duo and SD card slots, expansion up to 32 GB; approximately 1.4 GB user space after initial setup
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 files only, with no DRM audio support
Design
Weight
Weight	215 g (better)	273 g
Size
Size	118.8 × 168 × 9.6 mm excluding projections; maximum 119.1 × 169.6 × 10.3 mm	128 × 200 × 9.6 mm
Colours
Colours	Silver, red and black, depending on region	Silver
In the box
In the box	Touch pen, USB cable, two dummy memory cards and documentation	Reader, stylus, USB cable and PRSA-AC1 mains adaptor specified by the maker's manual