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Sony Walkman NWZ-A728 (8GB, black) comparison

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Product name	Sony Walkman NWZ-A728 (8GB, black)	Sony E-Series Walkman (second generation, 8GB, black)	Sony S-Series Walkman (second generation, 8GB, violet)	Sony NWZ-S738F Walkman (8GB, black)	Sony E-Series Walkman (second generation, 16GB, black)
Price	Check Prices	$69.00 to $75.37	$103.65 to $131.33	Check Prices	$89.00 to $119.37
CNET editors' rating	4.0 stars Overall score: 8.0 (4.0 stars)	3.5 stars Overall score: 7.0 (3.5 stars)	3.5 stars Overall score: 7.0 (3.5 stars)	4.0 stars Overall score: 8.7 (4.0 stars)	3.5 stars Overall score: 7.0 (3.5 stars)
Average user rating	4.0 stars			4.0 stars
Release date	March 28, 2008			September 15, 2008
The Bottom Line	The Sony NWZ-A720 is the best-sounding, best-looking Walkman series yet, and the inclusion of premium earphones adds real value.	The second-generation Sony E-Series Walkman remains an excellent value thanks to its ultralow pricing, pocketable design, handy features, and great sound quality.	The Sony S-Series Walkman is a solid entry-level MP3 player thanks to its ultra-affordable price tag, easy-to-use design, excellent performance, and fair smattering of features--but those who are looking to upgrade from the previous generation will not be impressed.	Thanks to excellent sound quality, integrated noise-canceling functionality, and several smart music sorting options, the Sony S-Series Walkman is a superb choice for music aficionados.	The second-generation Sony E-Series Walkman remains an excellent value thanks to its ultralow pricing, pocketable design, handy features, and great sound quality.
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Dimensions (WxDxH)	2 in x 0.4 in x 3.7 in	1.7 in x 0.4 in x 3.5 in	2 in x 0.4 in x 4 in	1.7 in x 0.3 in x 3.5 in	1.7 in x 0.4 in x 3.5 in
Software type	Info unavailable	Drivers & Utilities	Drivers & Utilities	Info unavailable	Drivers & Utilities
Resolution	240 x 320	240 x 320	240 x 320	240 x 320	240 x 320
Mfr estimated battery life	36 hour(s)	30 hour(s)	42 hour(s)	Info unavailable	30 hour(s)
PC interface(s) supported	Hi-Speed USB	USB	USB	USB	USB
Flash memory form factor	Integrated	Integrated	Integrated	Integrated	Integrated
Flash memory installed	8 GB	8 GB	8 GB	8 GB	16 GB
Battery technology	Info unavailable	Lithium ion	Lithium ion	Lithium ion	Lithium ion
Weight	2 oz	1.9 oz	0.2 lbs	1.6 oz	1.9 oz
Full specifications	Full specifications	Full specifications	Full specifications	Full specifications	Full specifications
Buying choices	E-mail me when this product is available	J&R Music and Computer World $69.00 In stock: Yes Price from 1 authorized store	PC Connection $131.33 In stock: Yes Price from 1 authorized store	E-mail me when this product is available	J&R Music and Computer World $89.00 In stock: Yes PC Connection $119.37 In stock: Yes Prices from 2 authorized stores
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