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| Product | Sony Bravia KDL-55EX720 | Panasonic TC-P55ST60  | Sony KDL-55HX850 | Sony KDL-55HX750 | Sony KDL-55EX640 |
| Price | $1,499.00 to $3,641.81 | $1,229.00 to $1,767.00 | $1,815.00 to $2,799.00 | $1,225.00 to $2,467.42 | $1,298.00 to $3,232.13 |
| CNET editors' rating | 3 stars | 5 stars | 4 stars | 3 stars | 3 stars |
| Average user rating | 3.5 stars | 5 stars | 3.5 stars | 5 stars | 0.5 stars |
| Release date | Info unavailable | April 1, 2013 | Info unavailable | Info unavailable | Info unavailable |
| Bottom line | The picture quality of Sony's KDL-EX720 shows some flaws but its efficiency, design, and well-stocked feature list will win plenty of converts. | The midlevel price and outstanding quality of the Panasonic TC-PST60 series make it our strongest TV recommendation ever. | The Sony HX850 is a smart-looking Smart TV with sparkling picture quality, making it a front-runner for plasma-phobic videophiles. | The Sony HX750 series isn't the headliner that you'd expect it to be with a performance that isn't up to the level of the asking price. | Sony's EX640 series is one of the better deals from the company, with decent picture quality and features for the price. |
| Product type | LED-LCD | Plasma | LED-LCD | LED-LCD | LED-LCD |
| Diagonal size | 55 in | 55 in | 55 in | 55 in | 55 in |
| Technology | 3D LED-LCD | Info unavailable | LED-LCD | LED-LCD | LED-LCD |
| LCD backlight technology | LED Backlight technology | Info unavailable | LED Backlight technology | LED Backlight technology | LED Backlight technology |
| LED backlight type | Edge Light | Info unavailable | Edge Light with local dimming | Edge-lit with local dimming | Edge-lit |
| 3D technology | Yes | Active 3D | Active 3D | Active 3D | Info unavailable |
| Internet streaming services | BRAVIA Internet Video | Viera Connect | Sony Entertainment Network and apps access | BRAVIA Internet Video Smart TV | Smart TV |
| Connectivity protocols | Wi-Fi ready, adapter sold separately | Built-in Wi-Fi | Built-in Wi-Fi | Built-in Wi-Fi | Wi-Fi ready, adapter included |
| Resolution | 1920 x 1080 | 1920 x 1080 | 1920 x 1080 | 1920 x 1080 | Info unavailable |
| Display format | 1080p | 1080p | 1080p | 1080p | 1080p |
| Image aspect ratio | 16:9 | 16:9 | 16:9 | 16:9 | Info unavailable |
| HDCP compatible | Yes | Yes | Yes | Yes | Info unavailable |
| TV tuner presence | Yes | Yes | Yes | Yes | Info unavailable |
| Digital TV tuner | ATSC QAM | ATSC | ATSC | ATSC QAM | Info unavailable |
| Speaker(s) | 2 x Right/left channel speaker - Built-in - 10 Watt | 2 x Main channel speaker - Built-in - 5 Watt 1 x Subwoofer - Built-in - 10 Watt | 2 x Right/left channel speaker - Built-in - 10 Watt 1 x Subwoofer - Built-in - 10 Watt | 2 x Main channel speaker - Built-in - 10 Watt | Info unavailable |
| Surround mode | Yes | Yes | Yes | Yes | Info unavailable |
| Sound effects | S-FORCE Front Surround Sound | VR-Audio Pro Surround 2.1 | S-FORCE Front Surround 3D | S-FORCE Front Surround 3D | Info unavailable |
| Total output power | 20 Watt | 20 Watt | 30 Watt | 20 Watt | Info unavailable |
| Addtional features | SteadySound auto volume Invisible Speaker System Auto mute S-Master Digital Amplifier | My Home Screen Swipe & Share 2.0 Voice Guidance | OptiContrast panel with Corning Gorilla Glass Eco Drive X-Reality PRO Engine Audio Return Channel (ARC) LightSensor Technology Channel labeling Sleep timer Sound Enhancer Invisible Speaker System S-Master Digital Amplifier Game mode | X-Reality Engine Monolithic design and Gorilla glass Audio Return Channel (ARC) Parental control Game mode Sound Booster Sound Enhancer Invisible speakers Deep Color | Advanced Contrast Enhancer Digital Noise Reduction (DNR) Channel labeling Parental control Game mode Sleep timer On-screen menu LightSensor technology |
| Input/Output connections | 2 x Audio line-in (RCA phono x 2) - Rear 1 x Composite video / component video input (RCA phono x 3) - Rear 1 x Composite video input (RCA phono) - Rear 1 x SPDIF output - Rear 1 x VGA input (15 pin HD D-Sub (HD-15)) - Side 1 x Audio line-in (Mini-phone stereo 3.5 mm) - Rear 3 x HDMI (19 pin HDMI Type A) - Rear 2 x USB 2.0 (4 pin USB Type A) - Side 1 x Network (RJ-45) - Rear 1 x HDMI (19 pin HDMI Type A) - Side 1 x Audio line-out / headphones (Mini-phone stereo 3.5 mm) - Side | 3 x HDMI input (19 pin HDMI Type A) - Side 2 x USB 2.0 (4 pin USB Type A) - Side 1 x Composite video / component video / audio input (RCA phono x 5) - Bottom 1 x Network (RJ-45) - Bottom 1 x Digital audio output (optical) (TOSLINK) - Side | 2 x HDMI input (19 pin HDMI Type A) - Side 2 x HDMI input (19 pin HDMI Type A) - Bottom 2 x USB 2.0 (4 pin USB Type A) - Side 1 x Component video input (RCA phono x 3) - Rear 2 x Composite video input (RCA phono) - Rear 1 x VGA input (15 pin HD D-Sub (HD-15)) - Side 1 x Audio line-in (RCA phono x 2) - Side 1 x Digital audio output (optical) (TOSLINK) - Bottom 1 x Audio line-out (Mini-phone stereo 3.5 mm) - Side 1 x Headphones (Mini-phone stereo 3.5 mm) - Side | 2 x Audio line-in (RCA phono x 2) - Rear 1 x Audio line-in (RCA phono x 2) - Side 1 x Audio line-in (Mini-phone stereo 3.5 mm) - Side 1 x Composite video / component video input (RCA phono x 3) - Rear 1 x Composite video input (RCA phono) - Rear 1 x Network (RJ-45) - Bottom 2 x HDMI (19 pin HDMI Type A) - Side 2 x HDMI (19 pin HDMI Type A) - Bottom 1 x Audio line-out / headphones (Mini-phone stereo 3.5 mm) - Side 1 x VGA input (15 pin HD D-Sub (HD-15)) - Side 2 x USB 2.0 (4 pin USB Type A) - Side 1 x Digital audio output (optical) (TOSLINK) - Bottom | Info unavailable |
| Video interface | HDMI Component Composite | HDMI Component Composite | HDMI Component Composite | HDMI Component Composite | Info unavailable |
| HDMI ports qty | 4 | 3 | 4 | 4 | Info unavailable |
| Manufacturer warranty | 1 year warranty | 1 year warranty | 1 year warranty | 1 year warranty | Info unavailable |
| Dimensions (WxDxH) | 50 in x 1.6 in x 30.3 in - Without stand | 50.6 in x 13.1 in x 32.1 in - With stand | 50 in x 1.4 in x 29.5 in - Without stand | 50 in x 12.3 in x 31.4 in - With stand | Info unavailable |
| Weight | 44.5 lbs | 68.3 lbs | 47.8 lbs | 52 lbs | Info unavailable |
| Full specifications | Full specifications | Full specifications | Full specifications | Full specifications | Full specifications |
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