Sony Reader Pocket Edition PRS-350 vs Sony Portable Reader System PRS-500

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Reader Pocket Edition PRS-350 compared with Portable Reader System PRS-500

	SonyReader Pocket Edition PRS-350	SonyPortable Reader System PRS-500
Overview
Released
Released	September 2010	October 2006
Screen
Screen size
Screen size	5″	6″
Resolution
Resolution	800 × 600	–
Sharpness
Sharpness	200 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 electronic paper; approximately six-inch diagonal and four greyscale levels reported by The Gadgeteer
Front light
Front light	No built-in light; optional illuminated cover	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	Yes	No
Page-turn buttons
Page-turn buttons	Yes	Yes
Audiobooks
Audiobooks	No	Yes
Storage
Storage	2 GB (better)	64 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	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
Book store
Book store	Sony Reader Store at launch; books transferred through a computer	Computer-based CONNECT eBooks purchases offered at launch; memory-card file transfer also supported
Stylus
Stylus	Included touch pen for handwritten notes and annotations	–
Note taking
Note taking	Handwritten annotations, highlights, bookmarks, text notes and dictionary lookup	Bookmarks; no touchscreen annotations
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 revised test, or approximately 10,000 continuous page turns; older test claimed 14 days at 75 minutes per day	Maker claims approximately 7,500 pages with a fully charged battery
Charging
Charging	Micro-USB computer charging approximately 3 hours; optional PRSA-AC1 adaptor approximately 2 hours	Supplied 5.2 V mains adaptor or computer USB; fully depleted battery requires mains charging
Connectivity
Connectivity	Micro-USB; no Wi-Fi, 3G or memory card slot; approximately 1.4 GB user-accessible internal storage	USB; shared Memory Stick/SD card slot; approximately 64 MB user-available storage
Audio
Audio	No audio playback or headphone socket	Headphone output; unprotected MP3 and AAC audio only; playback while reading supported
Design
Weight
Weight	155 g	–
Materials
Materials	Aluminium body	–
Size
Size	104.3 × 145 × 8.5 mm excluding projections; maximum 104.6 × 145.4 × 9.2 mm	Maker maximum dimensions 6.9 × 4.9 × 0.5 inches without soft cover; approximately 8.8 oz without cover
Colours
Colours	Silver and pink	–
In the box
In the box	Touch pen, USB cable and documentation	Reader, protective cover, mains adaptor and cable, USB cable and Windows CONNECT Reader software