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Sony VAIO VPC-SA31GX/BI notebook

alaTest has collected and analyzed 14 reviews of Sony VAIO VPC-SA31GX/BI notebook. The average rating for this product is 3.4/5, compared to an average rating of 4.1/5 for other Laptops for all reviews. Reviewers are impressed by the design and price. The durability and portability also get good feedback. Many are critical about the touchpad and sound, and there are some mixed views about the reliability and size.

performance, portability, durability, price, design

screen, sound, touchpad

We analyzed user and expert ratings, product age and more factors. Compared to other Laptops the Sony VAIO VPC-SA31GX/BI notebook is awarded an overall alaScore™ of 77/100 = Good quality.

See all Sony Laptops

Review analysis

(Based on 14 reviews)

User Reviews  

Showing 14 review(s)

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Showing 1 - 10 of 14 Show Reviews: in English

Consumer review (

Great so far


The bloatware is pretty good, ive dealt with some HP machines and boy are they bad... if you compare this to a new hp machine you can really tell the difference in bloatware. Some reviews have complained about the fan noise. It does get alittle noisy...

Very light for what its packing. Backlit keyboard is a fantastic feature. Faster than what i thought it would be considering it has a 5400 rpm hard drive

While the keyboard is backlit, it is kind of hard to get used to.. the keys are barely raised from the main frame of the laptop. this can be very aggravating if you are used to the standard pc keyboard. The mouse buttons on the touch pad are quite...

May, 2012

Consumer review (

The closest I've found to a perfect laptop...


Build quality is good overall, but on my unit (black), the paint on the left and right edges of the palmrest has flaked off in a few tiny areas after only a day or two of use. This is hardly noticeable (probably even less so on the silver unit), but it...

Fast. CPU breezes through basically anything I throw at it. Switchable graphics means I can play all my games with decent settings and at native resolution ; Portable. Very slim and light, even with the sheet battery (included in the version I got). I...

The touchpad. It's an ALPS model, and while it's not terrible, it's not great, either. Coming from a laptop with a Synaptics pad, both the drivers and the digitzer are inferior (think stair-stepping). The stock drivers lack any kind of two-finger...

Feb, 2012

Consumer review (

So loud!


As a computer it's fantastic, functions great. I got $300 off when I got it so I'm happy, but if I were spending the full price I'd probably find something a little more eye-catching. Great computer though.

Great performance for what it is, lightweight, thin profile. Great looking screen, love the backlit keys

Cooling fan is ridiculously loud, I joke that we're getting ready for takeoff whenever it comes on. Not really anything more than a mild nuisance, but still, the loudest I've ever heard. Only reason I took away a star. Also some other small things,...

Feb, 2012

Consumer review (



Excellent example of Sony equipment. Very satisfied, on demand performance that you can switch on and off depending on your current need and remaining battery charge is a very handy feature. Aluminum body, very sturdy yet light. I use it on the road...

Quality materials, high performance, very nice screen, cool keypad with backlight. Everything and more than you would expect from Sony VAIO

Just one minor observation, the USB ports are so closely located that when I use a 3G flash modem it doesn't fit if all three USB ports are occupied

Feb, 2012

Consumer review (

Love It!


Highly highly recommend installing a 2nd stick of RAM the moment you buy this. I bought this + a 4GB of RAM (G.SKILL) and had both delievered to the hotel where I am staying at. Used it with just the stock 4GB of RAM the first night and installed the...

On average I travel about 20,000 miles or so per year for business and usually carry two laptops with me; my personal one and my business laptop. My laptop bag usually weighs a good 30lbs easy because of this. Also my old Toshiba was starting to die on...

1) Speakers are very poor quality in my opinion ; 2) Screen does bleed some-what ; 3) Has some bloatware (like all companies provide) ; 4) Smudge/finger print magnet ; The cons are not enough for me to reduce the overall rating. The only time I am not...

Jan, 2012

Consumer review (

Excellent Machine


Don't believe all the one stars reviews. The fan noise is fine when doing normal tasks. Put it in silent mode in the Vaio Control Center and update the bios. My SA is nearly silent when web browsing.

Good deal at $749 ; Fast ; Lightweight and solid build

Slightly subpar viewing angles ; Noise UNDER LOAD

Jan, 2012

Consumer review (

Worst ever laptop


Don't buy if really need good performance or less noisy laptop


Battery life is very bad ; After using for 30 minutes it became very hot and also fan is too noisy ; Performance is extremely poor

Jan, 2012

Consumer review (

Fantastic little guy!


I purchased this laptop, after MUCH deliberation, over the 15" macbook pro for doing software development. Honestly, it was a great decision. This is 13", but the screen resolution is much better than most 13" laptops. The laptop is lighter (again, not...

Extremely lightweight ; Very very fast, even with stock 4GB of RAM ; With the Radeon graphics enabled, I can run 3D software such as Unity with no problem ; With the onboard graphics enabled, the laptop has a huge battery life ; The keyboard is...

Screen color representations are so/so (is this really a Sony display?) ; There are only a couple USB ports, and they are on one side of the system ; Not much else ; Lots of bloatware, but that's a quick format and re-install fix away

Jan, 2012

Consumer review (

Kind of disappointing


I had my doubts about Sony from before, but this made me decide to not buy from them again.

Fast laptop ; Switchable between high/low performance graphics ; Integrated decent graphics card ; Back lit keyboard ; Removable DVD writer

Screen quality is disappointingly low. Not only the image is washed out, but the viewing angles are bad. Compared to a Dell Vostro 5 years old (!) it is so much worse. It also has the worst blacks I've ever seen, making it the worst LCD screen I've...

Jan, 2012

Consumer review (



Sony did a great job packing high performance into a low-cost, feature-rich, and good looking laptop here. Of course, I didn't expect a premium LCD or a 10-hour battery at this price point. But a decent touchpad? Well, after taking it for granted for...

Great specs for such a small form factor and low price ; Backlit keyboard ; VGA port - these are getting harder to find in ultraportables ; Dedicated graphics ; Optical drive ; Reasonable resolution (1600x900) and good brightness for reading in...

Trackpad - it's an Alps (not a Synaptics) so there's no two-finger scrolling. The few "multi-touch" gestures it purportedly supports are useless. Edge scrolling is finicky/laggy at best. The "spiral scroll" seemed promising, but it rarely engages, and...

Jan, 2012

Product Specifications


Audio system:Dolby Home Theater v3 / HDA / Intel High Definition Audio / Dolby Home Theater v3
Built-in Microphone: Yes
Built-in speaker(s):Y
Built-in speakers: Yes
Number of built-in speakers:2


Battery Capacity:4400
Battery life (max):13 / 14.3
Battery performance:4400
Battery Technology:Lithium Polymer (LiPo)


Front camera resolution:1280 x 720


Energy Star certified: Yes
EPEAT compliance:Gold
RoHS compliance: Yes
Wi-Fi certified:Y
WiFi certified: Yes


Color of product:Black / Silver
Form Factor:Clamshell


3D compatibility: No
Aspect Ratio:16:9
Display Diagonal:13.3
Display Resolution:1600 x 900
Display surface:Matt
Full HD: No
HD type:HD+
LED backlight: Yes
Touch screen: No


Discrete graphics adapter:Y
Discrete graphics adapter model:AMD Radeon HD 6630M
Number of discrete graphics adapters:1
Number of displays supported (on-board graphics):2
On-board graphics adapter: Yes
On-board graphics adapter base frequency:650
On-board graphics adapter dynamic frequency (max):1200
On-board graphics adapter family:Intel® HD Graphics
On-board graphics adapter ID:0x116
On-board graphics adapter model:Intel HD Graphics 3000


Full-size keyboard:No / Yes
Keyboard backlit:Y
Keyboard key pitch:0.752
Keyboard key stroke:0.0787
Keyboard language:English
Keyboard Layout:QWERTY
Keyboard number of keys:82
Keyboard type:QWERTY
Numeric keypad:No / Yes
Pointing device:Touchpad
Windows keys: Yes


Internal memory:4
Internal memory type:DDR3-SDRAM
Maximum internal memory:8
Memory clock speed:1333
Memory slots:2x SO-DIMM


3G: No
Bluetooth: Yes
Bluetooth version:2.1+EDR
Cabling technology:10/100/1000Base-T(X)
Ethernet LAN:Y
Ethernet LAN connection: Yes
Ethernet LAN data rates:10,100,1000
Networking topology:Gigabit Ethernet
Wi-Fi: Yes
Wi-Fi standards:802.11a, 802.11g, 802.11n / 802.11b, 802.11g, 802.11n

Optical Drive

CD read speed:24
CD write speed:24
CD-R read speed:24
CD-R write speed:24
CD-RW read speed:24
CD-RW write speed:10
Disc types supported:CD, CD-R, CD-ROM, CD-RW, DVD, DVD+R, DVD+RW, DVD-R, DVD-RAM, DVD-ROM, DVD-RW
DVD-R Double Layer read speed:8
DVD-R Double Layer write speed:4
DVD-R read speed:8
DVD-R write speed:8
DVD-RAM read speed:5
DVD-RAM write speed:5
DVD-RW read speed:8
DVD-RW write speed:6
DVD+R Double Layer read speed:8
DVD+R Double Layer write speed:4
DVD+R read speed:8
DVD+R write speed:8
DVD+RW read speed:8
DVD+RW write speed:8
Labelflash: No
LightScribe: No
Optical Drive Type:CD-RW/DVD Combo / DVD Super Multi / DVD-RW

Other Features

Audio system:Dolby Home Theater v3 / HDA / Intel High Definition Audio / Dolby Home Theater v3
Dimensions (WxDxH):13 x 8.82 x 1.26
Display:LCD / LED
Dolby technologies:Dolby Home Theater v3
Ethernet interface type:Gigabit
Graphics adapter family:AMD / AMD, Intel
HD-Ready: Yes
Indication light: Yes
Infrared data port: No
Number of products included:1
On-board graphics adapter: Yes
Power supply type:AC/DC
Wake-on-LAN ready: Yes
Wireless Technology:Wi-Fi

Packaging Data

AC adapter bundled: Yes
AC adapter included:Y
Cables included:AC
Handheld remote control: No


TV tuner integrated: No

Ports & interfaces

CardBus PCMCIA slot type: No
DC-in jack: Yes
Docking connector:No / Yes
DVI port: No
Ethernet LAN (RJ-45) ports:1
Ethernet LAN (RJ-45) ports quantity:1
ExpressCard slot: No
HDMI ports quantity:1
Headphone connectivity:3.5 mm
Headphone outputs:1
Microphone in:No / Yes
S/PDIF out port: No
SmartCard slot: No
TV out:N
TV out port: No
USB 2.0 ports quantity:2
USB 3.0 (3.1 Gen 1) Type-A ports quantity:1
VGA (D-Sub) ports quantity:1


Bus type:DMI
Conflict Free processor:N
CPU multiplier (bus/core ratio):24
ECC supported by processor:N
FSB Parity: No
Integrated 4G WiMAX:Y
Maximum number of PCI Express lanes:1
PCI Express configurations:1x16, 2x8, 1x8+2x4
PCI Express slots version:2.0
Processor boost frequency:3
Processor cache:3
Processor cache type:Smart Cache
Processor codename:Sandy Bridge
Processor cores:2
Processor family:2nd gen Intel® Core™ i5 / Intel Core i5-2xxx
Processor frequency:2.4
Processor lithography:32
Processor Manufacturer:Intel
Processor model:I5-2430M
Processor operating modes:64-bit
Processor Series:Intel Core i5-2400 Mobile series
Processor socket:Socket 988
Processor threads:4
System bus data transfer rate:5
System bus rate:5
Thermal Design Power (TDP):35

Processor special features

CPU configuration (max):1
Embedded options available: No
Enhanced Intel SpeedStep Technology: Yes
Execute Disable Bit: Yes
Graphics & IMC lithography:32
Idle States: Yes
Intel 64:Y
Intel AES New Instructions: Yes
Intel Anti-Theft Technology: Yes
Intel Clear Video HD Technology: Yes
Intel Clear Video Technology:N
Intel Clear Video Technology for MID: No
Intel Demand Based Switching: No
Intel Dual Display Capable Technology: Yes
Intel Enhanced Halt State: Yes
Intel Fast Memory Access: Yes
Intel FDI Technology: Yes
Intel Flex Memory Access: Yes
Intel Hyper-Threading Technology: Yes
Intel Identity Protection Technology version:1.00
Intel Insider: Yes
Intel InTru 3D Technology: Yes
Intel My WiFi Technology: Yes
Intel Quick Sync Video Technology: Yes
Intel Rapid Storage Technology: No
Intel Smart Cache: Yes
Intel Trusted Execution Technology: No
Intel Turbo Boost Technology:2.0
Intel Virtualization Technology (VT-x):Y
Intel Virtualization Technology for Directed I/O (VT-d):N
Intel vPro Technology: No
Intel VT-x with Extended Page Tables (EPT): Yes
Intel Wireless Display (WiDi) Technology: Yes
Intel® AES New Instructions (Intel® AES-NI):Y
Intel® Anti-Theft Technology (Intel® AT):Y
Intel® Clear Video HD Technology (Intel® CVT HD):Y
Intel® Clear Video Technology for Mobile Internet Devices (Intel CVT for MID):N
Intel® Hyper Threading Technology (Intel® HT Technology):Y
Intel® Insider™: Yes
Intel® InTru™ 3D Technology:Y
Intel® My WiFi Technology (Intel® MWT):Y
Intel® Quick Sync Video Technology: Yes
Intel® Smart Cache:Y
Intel® Turbo Boost Technology:2.0
Intel® vPro™ Technology:N
Intel® Wireless Display (Intel® WiDi):Y
InTru™ 3D Technology: Yes
Processor ARK ID:53450
Processor code:SR04W
Processor package size:37.5
Supported instruction sets:AVX
Thermal Monitoring Technologies: Yes


Cable lock slot:Kensington / Yes
Fingerprint reader: Yes


Bundled software:Microsoft Office Starter\nVAIO Care, Media Gallery, PMB - VAIO Edition
Operating system architecture:64-bit
Operating system installed:Windows 7 Home Premium / Windows 7 Professional
Trial software:Norton Internet Security 2012


Card reader integrated: Yes
Compatible memory cards:MS Duo, SD / MS Pro Duo, SD
Hard disk rotational speed:5400
Hard Drive Capacity:500
Hard Drive Interface:Serial ATA
Hard drive speed:5400
Host interface:SATA
Number of hard drives installed:1
Storage media:HDD
Total Storage Capacity:500

Weight & Dimensions

Depth:8.82 / 8.84
Depth (imperial):8.84
Height:0.92 / 1.26
Height (front):0.92 / 0.921
Height (front) (imperial):0.92
Height (imperial):0.92 / 1.27
Height (rear):0.921 / 1.27
Height (rear) (imperial):0.92 / 1.27
Weight:3.66 / 4.81
Width (imperial):13