Sony Portable Reader System PRS-500 vs Sony Reader Daily Edition PRS-950

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Portable Reader System PRS-500 compared with Reader Daily Edition PRS-950

	SonyPortable Reader System PRS-500	SonyReader Daily Edition PRS-950
Overview
Released
Released	October 2006	November 2010
Screen
Screen size
Screen size	6″	7.1″
Resolution
Resolution	–	1024 × 600
Sharpness
Sharpness	–	167 pixels per inch (calculated)
Colour
Colour	No	No
Front light
Front light	No	No
Display detail
Display detail	E Ink electronic paper; approximately six-inch diagonal and four greyscale levels reported by The Gadgeteer	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 integrated illumination	No integrated illumination
Page turns and refresh
Page turns and refresh	Physical page controls, three text sizes and portrait or landscape orientation; numbered menu selection buttons	–
Reading and writing
Stylus
Stylus	No	Yes
Page-turn buttons
Page-turn buttons	Yes	Yes
Audiobooks
Audiobooks	Yes	Yes
Storage
Storage	64 MB	2 GB (better)
Software
Software	Other	Other
Formats
Formats	BBeB, PDF, TXT and RTF; Word converted to RTF; JPEG, GIF, PNG and BMP; EPUB and Adobe DRM supported with later firmware 2.0.00.09180 and compatible desktop software	EPUB, PDF, BBeB LRF, TXT and RTF; Word converted to RTF by desktop software; JPEG, GIF, PNG and BMP
Book store
Book store	Computer-based CONNECT eBooks purchases offered at launch; memory-card file transfer also supported	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 pen with body storage slot
Note taking
Note taking	Bookmarks; no touchscreen annotations	Handwritten notes, highlights, text memos and drawings; dictionaries and translation dictionaries
Connections and battery
Battery life detail
Battery life detail	Maker claims approximately 7,500 pages with a fully charged battery	Up to 20,000 continuous EPUB page turns at approximately one second per page in the maker's test
Charging
Charging	Supplied 5.2 V mains adaptor or computer USB; fully depleted battery requires mains charging	Approximately 2.5 hours with supplied PRSA-AC1 adaptor; approximately 5 hours from computer USB
Connectivity
Connectivity	USB; shared Memory Stick/SD card slot; approximately 64 MB user-available 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	Headphone output; unprotected MP3 and AAC audio only; playback while reading supported	3.5 mm headphone socket; unprotected MP3 and AAC files only, with no DRM audio support
Design
Weight
Weight	–	273 g
Size
Size	Maker maximum dimensions 6.9 × 4.9 × 0.5 inches without soft cover; approximately 8.8 oz without cover	128 × 200 × 9.6 mm
Colours
Colours	–	Silver
In the box
In the box	Reader, protective cover, mains adaptor and cable, USB cable and Windows CONNECT Reader software	Reader, stylus, USB cable and PRSA-AC1 mains adaptor specified by the maker's manual