Sony Reader Pocket Edition PRS-350 vs Sony Reader Touch Edition PRS-650

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Reader Pocket Edition PRS-350 compared with Reader Touch Edition PRS-650

	SonyReader Pocket Edition PRS-350	SonyReader Touch Edition PRS-650
Overview
Released
Released	September 2010	September 2010
Screen
Screen size
Screen size	5″	6″
Resolution
Resolution	800 × 600	800 × 600
Sharpness
Sharpness	200 pixels per inch (calculated) (better)	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 electronic paper with 16 greyscale levels and optical touch sensing
Front light
Front light	No built-in light; optional illuminated cover	No built-in light; optional illuminated cover
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	No	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; Japanese version also supports XMDF and .book content; JPEG, GIF, PNG and BMP images
Book store
Book store	Sony Reader Store at launch; books transferred through a computer	Sony Reader Store at launch; books transferred through a computer
Stylus
Stylus	Included touch pen for handwritten notes and annotations	Included touch pen for annotations and handwritten memos
Note taking
Note taking	Handwritten annotations, highlights, bookmarks, text notes and dictionary lookup	Handwritten annotations, highlights, bookmarks, text notes and dictionary lookup
Connections and battery
Battery life (maker's claim)
Battery life (maker's claim)	Up to 2.5 weeks	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	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
Charging
Charging	Micro-USB computer charging approximately 3 hours; optional PRSA-AC1 adaptor approximately 2 hours	Micro-USB computer charging approximately 3 hours; optional PRSA-AC1 adaptor approximately 2 hours
Connectivity
Connectivity	Micro-USB; no Wi-Fi, 3G or memory card slot; approximately 1.4 GB user-accessible internal storage	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
Audio
Audio	No audio playback or headphone socket	Stereo headphone socket for unprotected MP3 and AAC, including compatible spoken-word files; no Audible DRM support stated
Design
Weight
Weight	155 g (better)	215 g
Materials
Materials	Aluminium body	–
Size
Size	104.3 × 145 × 8.5 mm excluding projections; maximum 104.6 × 145.4 × 9.2 mm	118.8 × 168 × 9.6 mm excluding projections; maximum 119.1 × 169.6 × 10.3 mm
Colours
Colours	Silver and pink	Silver, red and black, depending on region
In the box
In the box	Touch pen, USB cable and documentation	Touch pen, USB cable, two dummy memory cards and documentation