Yukyung Viliv S7 review: Yukyung Viliv S7

The Atom Z520 processor in the S7 is the same one that the S5 and X70EX have, and while it's more efficient at power management, the Z-series Atom processors are more sluggish than N-series Atoms. In our benchmark tests, the S7 performed about as well as most Z-series Netbooks--which is to say not very speedily. On the other hand, the S7 can handle basic office tasks and e-mail and Web browsing with little trouble. We also enjoyed flipping the S7's screen in tablet form into a makeshift e-reader, although the S7 lacked a stylus or any useful set of side buttons to complement the experience. In anecdotal use, we also found the S7's handling of streaming Web video to be serviceable but prone to stuttering in full-screen mode. A video-savvy device this is not.

Juice box
Viliv s7 Mainstream (Average watts per hour)
Off (60 percent) 0.22
Sleep (10 percent) 0.41
Idle (25 percent) 3.21
Load (5 percent) 7.45
Raw kWh Number 11.81
Annual energy cost $1.34

The Viliv S7 got a whopping 8 hours and 16 minutes of battery life when using our video-playback battery drain test. That's well above average for a Netbook, and above and beyond any equivalent-size Netbook we've tested. In fact, it even comes close to the Asus EeePC 1101HA for the longest battery life we've seen in a portable (the 1101HA also has an Atom Z520 processor, incidentally). That's certainly a plus for this category of device. It's much better battery-wise than the tablet-like S5 and X70EX products.

Yukyung offers a one-year limited warranty on Viliv products, and provides a toll-free number for service in the U.S. More information is available at myviliv.com.

Multimedia multitasking test (in seconds)
(Longer bars indicate better performance)
Viliv S5
3,617 
Viliv X70
4,260 
Viliv S7
4,380 
Sony Vaio P
5,062 

Jalbum photo conversion test (in seconds)
(Shorter bars indicate better performance)

Apple iTunes encoding test (in seconds)
(Shorter bars indicate better performance)

Video playback battery drain test
(Longer bars indicate better performance)

Find out more about how we test Windows laptops.

System configurations:

Viliv S7 Windows XP Home Edition SP3; 1.33GHz Intel Atom Z520; 1024MB DDR2 SDRAM 533MHz; 128MB (Shared) Mobile Intel GMA 500; 32GB Sandisk Solid State Drive

Viliv S5 Windows XP Home Edition SP3; 1.3GHz Intel Atom Z520; 1024MB DDR2 SDRAM 533MHz; 256MB (Shared) Intel GMA 500; 60GB Samsung 4200rpm

Viliv X70 Windows XP Home Edition SP3; 1.33GHz Intel Atom Z520; 1024MB DDR2 SDRAM 533MHz; 128MB (Shared) Mobile Intel GMA 500; 32GB SiliconMotion Solid State Drive

Asus Eee PC T91 Windows XP Home Edition SP3; 1.33GHz Intel Atom Z520; 1024MB DDR2 SDRAM 533MHz; 256MB (Shared) Mobile Intel GMA 500; 16GB ASUS-JM S41 SSD + 16GB SD Expansion Card

Acer Aspire One AO751h-1545 Windows XP Home Edition SP3; 1.33GHz Intel Atom Z520; 1024MB DDR2 SDRAM 533MHz; 256MB (Shared) Mobile Intel GMA 500; 160GB Seagate 5400rpm

Sony Vaio P Windows Vista Home Premium SP1; 1.33GHz Intel Atom Z520; 2048MB DDR2 SDRAM 533MHz; 128MB Mobile Intel GMA 500; Samsung 64GB SSD

What you'll pay

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    Where to Buy

    Yukyung Viliv S7 (Atom Z520 1.33GHz, 1GB RAM, 32GB SSD, XP Home, 3G)

    Part Number: S7 Premium 3G Released: Sep. 22, 2009

    As Reviewed: $799

    Check manufacturer's site for availability.

    Quick Specifications See All

    • Release date Sep. 22, 2009
    • Installed Size 1 GB
    • Color White
    • Weight 1.76 lbs
    • CPU Intel Atom Z520 / 1.33 GHz