| Remove from comparison | Remove | Remove | Remove | Remove | Remove |
|---|---|---|---|---|---|
| Product name | |||||
| Price | $309 to $319 at 4 stores | $129 to $199 at 8 stores | $179 to $199 at 3 stores | $289 to $299 at 6 stores | $184 to $223 at 5 stores |
| CNET editors' rating |
4.0 stars
Excellent
|
4.0 stars
Excellent
|
|
4.0 stars
Excellent
|
3.5 stars
Very good
|
| Average user rating | 4.5 stars out of 8 reviews | 4.5 stars out of 16 reviews | 3.5 stars out of 11 reviews | 0 stars No reviews, write one! | 3.5 stars out of 11 reviews |
| Release date | March 28, 2008 | March 28, 2008 | March 28, 2008 | March 28, 2008 | July 15, 2008 |
| The Bottom Line | The Sony NWZ-A820 is the best sounding, best-looking Walkman series yet, and the inclusion of Bluetooth audio makes it a top choice for cable-hating audio enthusiasts. | The Sony NWZ-A720 is the best-sounding, best-looking Walkman series yet, and the inclusion of premium earphones adds real value. | The sum of the NWZ-S710F's audio enhancement and noise-canceling features adds up to one of the most pleasant and private music experiences you can have for less than $200. | The Sony NWZ-A720 is the best-sounding, best-looking Walkman series yet, and the inclusion of premium earphones adds real value. | The Creative Zen X-Fi's plastic design leaves a little to be desired, but that doesn't detract from the fact that the player is an incredible value overall: for an extremely competitive price you get a boatload of features and great sound quality. | Basic specs |
| Features | See What's the Same or What's different | ||||
| Battery technology | Info unavailable | Info unavailable | Info unavailable | Info unavailable |
Lithium ion |
| Digital player (recorder) |
WMA Protected WMA (DRM) PCM MP3 AAC |
WMA Protected WMA (DRM) PCM MP3 AAC |
WMA Protected WMA (DRM) PCM MP3 AAC |
WMA Protected WMA (DRM) PCM MP3 AAC |
WMA WAV ADPCM Audible MP3 AAC |
| Software type | Info unavailable | Info unavailable |
Drivers & Utilities |
Info unavailable |
Drivers & Utilities Creative Centrale |
| Dimensions (WxDxH) |
2 in x 0.4 in x 3.7 in |
2 in x 0.4 in x 3.7 in |
Info unavailable |
2 in x 0.4 in x 3.7 in |
3.3 in x 0.5 in x 2.2 in |
| Color |
Black |
Black |
Black |
Black |
Info unavailable |
| PC interface(s) supported |
Hi-Speed USB Bluetooth |
Hi-Speed USB |
Hi-Speed USB |
Hi-Speed USB |
Hi-Speed USB Wi-Fi |
| Mfr estimated battery life |
36 hour(s) |
36 hour(s) |
36 hour(s) |
36 hour(s) |
Info unavailable |
| Flash memory form factor |
Integrated |
Integrated |
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