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Sony VAIO Z Series VGN-Z51WG/B

alaTest has collected and analyzed 10 reviews of Sony VAIO Z Series VGN-Z51WG/B. The average rating for this product is 4.4/5, compared to an average rating of 4.1/5 for other Laptops for all reviews. Views about the usability and screen are overall positive. The battery and design are also appreciated. Many are negative about the price, while there are some mixed reviews about the energy efficiency.

portability, design, battery, screen, usability


We analyzed user and expert ratings, product age and more factors. Compared to other Laptops the Sony VAIO Z Series VGN-Z51WG/B is awarded an overall alaScore™ of 81/100 = Very good quality.

See all Sony Laptops

Review analysis

(Based on 10 reviews)

Expert Reviews  

User Reviews  

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Consumer review by: ( review summary for Sony VAIO Z Series VGN-Z51WG/B


alaTest has collected and analyzed 3 user reviews of Sony VAIO Z Series VGN-Z51WG/B from The average user rating for this product is 4.0/5, compared to an average user rating of 4.0/5 for other Laptops on People really like the usability and battery. The screen and design also get good comments.

portability, design, screen, battery, usability

67% of the reviews on give this product a positive rating.

This summary is based on the products: Sony VAIO Z51W GB 13.1-inch Laptop (Core 2 Duo P9700 2.8 GHz Processor, 6 GB RAM, 400 GB HDD, DVDRW, HSDPA, Windows 7 Professional)Sony VAIO Z51X GB 13.1-inch Laptop (Core 2 Duo P8700 2.53 GHz Processor, 4 GB RAM, 400 GB HDD, DVDRW, HSDPA, Windows 7 Professional)

May, 2016

Expert review by: Joe Minihane (

Sony Vaio VGN-Z51WG/B review


The top notch Sony Vaio Z series is trying to make its way as the go-to laptop for busy business bods and media junkies. But can this slimline Vaio win us over and convince us to ditch our 13-inch MacBook Pro? Read our Sony Vaio VGN-Z51WG/B review and...

Great looks, epic battery, stunning performance

Old Intel chipset, expensive

The closest a PC laptop gets to matching a MacBook Pro

Jan, 2010

Expert review by: Benny Har-Even (

Sony VGN-Z51WG review


In today's cut-price age is there a place for a full-on no-compromise high cost ultra portable? We weigh up the Sony Vaio VGN-Z51WG in this review.

The Sony VGN-Z51WG is a very fine machine, offering a well built chassis, and great looks, while the excellent performance is married to great battery life. The inevitable high price is its only significant down side.

Oct, 2009

Expert review by: (



Light yet powerful, gorgeous yet practical, it's the best all-round ultraportable Sony has produced.

The VGN-Z51WG/B outstrips the best of the netbook and ultraportable worlds for sheer longevity, but is also capable of switching gears and assuming desktop duties with its reserves of power. With Intel's mobile Core i7 looming large on the horizon, it...

Oct, 2009


Expert review by: Sasha Muller (

Sony Vaio VGN-Z51WG/B


The Sony VAIO VGN-Z51WG/B is the latest update to a range that's currently under threat in the catwalk stakes from Dell's gorgeous Adamo. But anyone familiar with the Z-series will be glad to hear that, physically, Sony hasn't changed a thing.

Light yet powerful, gorgeous yet practical, it's the best all-round ultraportable Sony has produced

Oct, 2009

Consumer review by: Confirmed purchaser (

Sony Vaio VGN-Z51WG


Good design, although network slot hard for big fingers! Keyboard great, performance and graphics excellent. Very pleased

Power cable shorter and I know friends have had difficulty with cable fraying at transformer

Jan, 2010

Product Specifications


Front camera resolution (numeric):0.3


Discrete graphics adapter memory:0.25
Maximum graphics adapter memory:2.01 / 3.03

Optical Drive

DVD-R Double Layer read speed:4 / 8


Conflict Free processor: No
ECC supported by processor: No
Processor cache type:L2
Processor codename:Penryn
Processor Series:Intel Core 2 Duo P8000 series / Intel Core 2 Duo P9000 series
Thermal Design Power (TDP):25 / 28

Processor special features

Intel 64: Yes
Intel Clear Video Technology: No
Intel Virtualization Technology (VT-x):1
Intel Virtualization Technology for Directed I/O (VT-d): No
Processor package size:35