Sony KDL-40EX724 review

Well specified and elegantly designed 40-inch TV, but a bit of a disaster

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Sony kdl 40ex724


The KDL-40EX724 tries its best when it comes to audio fidelity, but doesn't have an awful lot to play with. There's no subwoofer and consequently there's a predictable absence of mid to low bass. The overall volume is loud enough – driving the downward facing speakers is a 2 x 10w S-Force digital amplifier, but the stereo spread is polite at best.

There's the choice of the usual Dynamic, Standard and Clear Voice modes as well as faux-surround with four DSP settings. Take the latter with a pinch of salt.


Taken at face value, this 40-incher would seem a reasonable bet. It's fashionably swish even though it's built to a price, offers access to a superior selection of IPTV channels when you take it online and can deliver highly credible 2D hi-def images.

Sony's Motionflow XR200 picture processing is demonstrably beneficial to the clarity of its images; its inclusion here warrants the price hike from cheaper EX iterations which lack the technology.

For telly addicts stepping up to Freeview HD and net connectivity for the first time, the KDL-40EX724 would seem well worth investigation.

What should cause pause for thought is its inexplicably poor 3D performance. This TV behaves completely differently once you don those Active Shutter glasses. 3D on this set is the visual equivalent of sticking your head in washing machine full of multicoloured smalls – and then activating the Fast Spin cycle.

Ease of use

Sony has totally overhauled the user interface on its 2011 TV models. The old XrossMediaBar, which spread like a virus through the previous Sony hardware fleet, has been pensioned off, giving way to a new system that enables you to navigate while live TV plays in a minimised window. It's an intuitive and attractive upgrade.

This digital paint job extends to the brand's online service, too. Whereas before, channels within the Bravia Internet Video portal tumbled in an interminable list from the main menu, they now appear in an ordered grid.

The KDL-40EX724 does stumble a little in some apparently forgotten areas of the UI, though. Call up the 3D menu and you'll be given an opportunity to adjust the severity of the 'outy-ness' of its 3D presentation. Unfortunately this menu obscures 50 per cent of the screen. Trying to adjust 3D depth when you can only make out half the picture will defeat most users.

The remote appears the same as the 2010 vintage, complete with perplexing secondary power button on the flip side of the controller. Once you get used to its main, circular Home/Options/Return buttons though, it's a simple enough handset to use.


Tech Specs

Product TypeLED-LCD TV
Scan Format1080p
Standard Refresh Rate50 Hz
Digital TunerDVB-C (MPEG4), DVB-T (MPEG4)
Video Signal StandardHDTV 1080p
Number of HDMI Ports4
Number of SCART Interfaces1
Product FamilyBRAVIA EX724
3D Type3D
EU Energy LabelA
Brand NameSony
Screen Size101.6 cm (40")
Aspect Ratio16:9
Green CompliantYes
Green Compliance Certificate/AuthorityRoHS
Ethernet TechnologyEthernet
Weight with Stand (Approximate)14.40 kg
Backlight TechnologyEdge LED
Operating Power Consumption121 W
Standby Power Consumption250 mW
RMS Output Power20 W
Electronic Program GuideYes
DLNA CertifiedYes
Digital Audio OutputYes
Height with Stand616 mm
Width with Stand943 mm
Depth with Stand250 mm
Composite VideoYes
Component VideoYes
Network (RJ-45)Yes
Number of USB Ports2
Energy Consumption per Year93 kWh
PC StreamingYes
Internet AccessYes
Media PlayerYes
Motion Interpolation TechnologyMotionflow XR 200
Enhanced Refresh Rate100 Hz
Height586 mm
Width943 mm
Depth42 mm
Comb Filter3D Y/C
Sound SystemDolby Digital Plus, Dolby Pulse, Surround Sound
Product SeriesEX724
Maximum Resolution1920 x 1080
FeaturesWeb Browser, Sleep Timer, Picture and Picture (PAP), Picture in Picture, Favorite Channel Selection
ManufacturerSony Corporation
Product ModelKDL-40EX724
Product LineBRAVIA
Manufacturer Part NumberKDL-40EX724
Manufacturer Website Address
Marketing Information

Discover the world of 3D and Internet TV
Enjoy crisp Full HD pictures for TV, films and games in 2D and 3D. Be ready for the best of the web and free Skype calls. You can even save energy and make life easier with smart features.

Picture excellence in 2D and 3D
See lifelike Full HD quality in 2D and 3D. Get a smooth view of fast-action sports and movies with Motionflow XR 200. Enjoy a high contrast picture on a slim LED screen. Every pixel of your 2D or 3D picture is enhanced by our unique picture technology.

Package Contents
  • Remote Control
  • Batteries
  • AC Power Cable
Limited Warranty1 Year
Weight (Approximate)11.20 kg