Sony Reader Touch Edition PRS-650 vs Sony Reader PRS-T3

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Reader Touch Edition PRS-650 compared with Reader PRS-T3

	SonyReader Touch Edition PRS-650	SonyReader PRS-T3
Overview
Released
Released	September 2010	September 2013
Screen
Screen size
Screen size	6″	6″
Resolution
Resolution	800 × 600	1024 × 758
Sharpness
Sharpness	167 pixels per inch (calculated)	212 pixels per inch (calculated) (better)
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 clear infrared dual-touch sensing
Front light
Front light	No built-in light; optional illuminated cover	No integrated front light; optional clip-on cover with reading lamp
Page turns and refresh
Page turns and refresh	Finger swipe or physical page-turn buttons; six font sizes and adjustable contrast	Swipe or physical page controls; maker claims up to four hours of reading without full-screen inversion
Reading and writing
Stylus
Stylus	Yes	Yes
Page-turn buttons
Page-turn buttons	Yes	Yes
Audiobooks
Audiobooks	Yes	No
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	Unprotected EPUB, PDF and TXT; Adobe DRM EPUB and PDF; JPEG, GIF, PNG and BMP; FB2 support specified for Russia
Book store
Book store	Sony Reader Store at launch; books transferred through a computer	Wi-Fi book purchases from supported stores in applicable countries; manual computer transfer supported
Library loans
Library loans	–	EPUB public-library borrowing offered in supported regions
Stylus
Stylus	Included touch pen for annotations and handwritten memos	Handwriting with optional Sony stylus (Good e-Reader); stylus not supplied
Note taking
Note taking	Handwritten annotations, highlights, bookmarks, text notes and dictionary lookup	Handwritten notes and highlights; dictionary lookup and translation; Facebook quotation sharing and Evernote integration offered at launch
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	Maker claims up to 2 months with wireless off or 1.5 months with wireless on at approximately 30 minutes reading daily; three-minute mains charge claimed sufficient for 600 pages at one minute per page
Charging
Charging	Micro-USB computer charging approximately 3 hours; optional PRSA-AC1 adaptor approximately 2 hours	Approximately 2 hours with optional PRSA-AC10/PRSA-AC1A mains adaptor; approximately 2.5 hours through 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/n and WPS; USB; microSD expansion up to 32 GB
Audio
Audio	Stereo headphone socket for unprotected MP3 and AAC, including compatible spoken-word files; no Audible DRM support stated	No audio playback
Design
Weight
Weight	215 g	200 g (better)
Size
Size	118.8 × 168 × 9.6 mm excluding projections; maximum 119.1 × 169.6 × 10.3 mm	109 × 160 × 11.3 mm including supplied snap-on cover; 200 g also includes this cover
Colours
Colours	Silver, red and black, depending on region	–
In the box
In the box	Touch pen, USB cable, two dummy memory cards and documentation	Snap-on sleep cover, USB cable and quick-start guide