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alaTest has collected and analyzed 39 reviews of SONY VAIO VGN-FZ31S. The average rating for this product is 4.2/5, compared to an average rating of 4.1/5 for other Laptops for all reviews. People really like the reliability and portability. The screen and design also get good comments, whereas many are negative about the battery.

performance, design, screen, portability, reliability


We analyzed user and expert ratings, product age and more factors. Compared to other Laptops the SONY VAIO VGN-FZ31S is awarded an overall alaScore™ of 82/100 = Very good quality.

See all Sony Laptops

Review analysis

(Based on 39 reviews)

Expert Reviews  

User Reviews  

Showing 6 review(s)

Expert Reviews User Reviews


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Showing 1 - 6 of 6 Show Reviews: in English | in other languages (33)

Expert review by : Ronald Tiefenthäler (

Review Sony Vaio VGN-FZ31Z Notebook


Entertainment Notebook with blu ray drive Sony's Vaio VGN-FZ31Z i

Nice design; High-quality impression; Compact case; HDMI port; Good office performance; Very bright display; Blu ray drive

Some parts get very hot; High-frequency noise of the fan under full load; No Recovery-CD/-DVD provided; Windows installation with a lot of pre-installed software; Unnecessary trial and advertisement software

If you want to enjoy the impressing quality of high definition entertainment also on the move, the Sony Vaio is a compact and mobile 15.4 inch notebook with nice look, which is completely HD-ready. At the time of writing it is available for about...

Jul, 2008

Expert review by : Andy Vandervell (

Sony VAIO VGN-FZ31Z 15.4in Blu-ray Notebook


We take a look at Sony's top of the range 15.4in Blu-ray notebook.

All in all it's a pleasingly cohesive look; lacking the over the top chutzpah of many laptops and maintaining Sony's reputation for refined looks. That it lacks any of the glossy detailing so popular among many manufacturers is another distinct bonus....

Feb, 2011

Expert review by (



With Blu-ray seemingly victorious, Sony's latest VAIO looks to capitalise. But PC Pro's laptops editor Sasha Muller isn't totally convinced by the result.

Apr, 2008

Consumer review (



Very slick, quick, stylish and easy to use. Can hold a lot on it and doesn't sstuggle on performance what-so-ever.

Battery life is a bit short, which can be annoying when on the move.

Jul, 2008

Consumer review (



Excellent screen, very good level of performance. High end compenentry.

Battery lilfe and charging time a little disappointing.

May, 2008

Consumer review (



Nice lay out, one touch keys good, havent tried blue ray as yet, windows media centre great.

like to have usb on rear, usb to close to cd drawer, like to have larger number, caps lock warning lights,

May, 2008

Product Specifications


Audio system:Intel HDA


Front camera resolution (numeric):1.3
Video capturing speed:30


Aspect Ratio:16:10
Display Diagonal:15.4
Display Resolution:1280 x 800


Discrete graphics adapter:Y
Discrete graphics adapter model:NVIDIA GeForce 8600M GS
Maximum graphics adapter memory:0.256


Pointing device:Touchpad


Internal memory:4
Internal memory type:DDR2-SDRAM
Maximum internal memory:4
Memory clock speed:667
Memory layout:2 x 2
Memory layout (slots x size):2 x 2


Bluetooth: Yes
Bluetooth version:2.0+EDR
Networking features:100 BASE-TX/10 BASE-T

Other Features

Audio system:Intel HDA
Infrared data port: No
Internal modem: Yes
Modem Type:V92/V.90
TV in port: No
Wireless Technology:802.11a/b/g/Draft n

Ports & interfaces

CardBus PCMCIA slot type: No
DC-in jack: Yes
Docking connector: No
DVI port: No
Ethernet LAN (RJ-45) ports:1
Ethernet LAN (RJ-45) ports quantity:1
ExpressCard slot: Yes
Firewire (IEEE 1394) ports:1
HDMI ports quantity:1
Headphone outputs:1
Microphone in: Yes
Modem (RJ-11) ports:1
S/PDIF out port: No
SmartCard slot: No
USB 2.0 ports quantity:3
VGA (D-Sub) ports quantity:1


Bus type:FSB
Chipset:Intel PM965 Express
Conflict Free processor:N
CPU multiplier (bus/core ratio):12
ECC supported by processor:N
FSB Parity: No
Motherboard chipset:Intel PM965 Express
Number of Processing Die Transistors:410
Processing die size:107
Processor cache:3
Processor cache type:L2
Processor codename:Penryn
Processor cores:2
Processor family:Intel® Core™2 Duo
Processor frequency:2.4
Processor front side bus:800
Processor lithography:45
Processor model:T8300
Processor operating modes:64-bit
Processor Series:Intel Core 2 Duo T8000 series
Processor socket:Socket 478
Processor system type:Up
Processor threads:2
Thermal Design Power (TDP):35

Processor special features

Embedded options available: No
Enhanced Intel SpeedStep Technology: Yes
Execute Disable Bit: Yes
Idle States: Yes
Intel 64:Y
Intel AES New Instructions: No
Intel Anti-Theft Technology: No
Intel Clear Video HD Technology: No
Intel Clear Video Technology:N
Intel Clear Video Technology for MID: No
Intel Demand Based Switching: No
Intel Dual Display Capable Technology: No
Intel Enhanced Halt State: Yes
Intel Fast Memory Access: No
Intel FDI Technology: No
Intel Flex Memory Access: No
Intel Hyper-Threading Technology: No
Intel Insider: No
Intel InTru 3D Technology: No
Intel My WiFi Technology: No
Intel Quick Sync Video Technology: No
Intel Rapid Storage Technology: No
Intel Trusted Execution Technology: No
Intel Turbo Boost Technology: No
Intel Virtualization Technology (VT-x):1
Intel Virtualization Technology for Directed I/O (VT-d):N
Intel vPro Technology: No
Intel VT-x with Extended Page Tables (EPT): No
Intel Wireless Display (WiDi) Technology: No
Intel® AES New Instructions (Intel® AES-NI):N
Intel® Anti-Theft Technology (Intel® AT):N
Intel® Clear Video HD Technology (Intel® CVT HD):N
Intel® Clear Video Technology for Mobile Internet Devices (Intel CVT for MID):N
Intel® Hyper Threading Technology (Intel® HT Technology):N
Intel® Insider™: No
Intel® InTru™ 3D Technology:N
Intel® My WiFi Technology (Intel® MWT):N
Intel® Quick Sync Video Technology: No
Intel® Turbo Boost Technology: No
Intel® vPro™ Technology:N
Intel® Wireless Display (Intel® WiDi):N
InTru™ 3D Technology: No
Processor ARK ID:33099
Processor code:SLAPR
Processor package size:35
Thermal Monitoring Technologies: No


Cable lock slot:Kensington


Operating system installed:Windows Vista Home Premium


Card reader integrated: Yes
Hard disk rotational speed:4200
Hard Drive Interface:Serial ATA
Hard drive speed:4200
Host interface:SATA
Total Storage Capacity:300

Weight & Dimensions