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| Product | Vizio M3D550KD | Panasonic TC-P55ST60  | Vizio E601i-A3 | LG 47LM7600 | Sony KDL-55HX850 |
| Price | $1,389.95 | $1,249.00 to $1,799.00 | $998.00 to $1,280.85 | $959.00 to $999.00 | $1,815.00 to $2,799.00 |
| CNET editors' rating | 4 stars | 5 stars | 3.5 stars | 3.5 stars | 4 stars |
| Average user rating | 4.5 stars | 5 stars | 3.5 stars | 3 stars | 3.5 stars |
| Release date | Info unavailable | April 1, 2013 | Info unavailable | Info unavailable | Info unavailable |
| Bottom line | Very good picture quality and an extremely aggressive price make the Vizio M3D0KD one of the best
LED TV values on the market. | The midlevel price and outstanding quality of the Panasonic TC-PST60 series make it our strongest TV recommendation ever. | The Vizio E601i-A3 is the best value yet among big-screen
LED TVs. | If you've been holding out for an
LED TV with picture quality that mostly lives up to its stunning design and cutting-edge features, the LM7600 series deserves a look. | The Sony HX850 is a smart-looking Smart TV with sparkling picture quality, making it a front-runner for plasma-phobic videophiles. |
| Product type | LED-LCD | Plasma | LED-LCD | LED-LCD | LED-LCD |
| Diagonal size | 55 in | 55 in | 60 in | 47 in | 55 in |
| LCD backlight technology | LED Backlight technology | Info unavailable | LED Backlight technology | LED Backlight technology | LED Backlight technology |
| LED backlight type | Edge-lit with local dimming | Info unavailable | Edge-lit | LED Plus w/ Local Dimming | Edge Light with local dimming |
| 3D technology | Passive 3D | Active 3D | Info unavailable | Passive Cinema 3D with Dual Play | Active 3D |
| Internet streaming services | Smart TV | Viera Connect | Netflix Vudu Hulu Plus Pandora YouTube Flickr | Info unavailable | Sony Entertainment Network and apps access |
| Connectivity protocols | Bluetooth Built-in Wi-Fi | Built-in Wi-Fi | Ethernet Built-in Wi-Fi | Built-in Wi-Fi | Built-in Wi-Fi |
| Resolution | 1920 x 1080 | 1920 x 1080 | 1920 x 1080 | 1920 x 1080 | 1920 x 1080 |
| Display format | 1080p | 1080p | 1080p | 1080p | 1080p |
| Image aspect ratio | 16:9 | 16:9 | 16:9 | Info unavailable | 16:9 |
| HDCP compatible | Yes | Yes | Info unavailable | Yes | Yes |
| TV tuner presence | Yes | Yes | Yes | Yes | Yes |
| Digital TV tuner | ATSC | ATSC | Info unavailable | ATSC QAM | ATSC |
| Speaker(s) | 2 x Main channel speaker - Built-in - 10 Watt | 2 x Main channel speaker - Built-in - 5 Watt 1 x Subwoofer - Built-in - 10 Watt | 2 x Main channel speaker - Built-in - 10 Watt | 2 x Main channel speaker - Built-in - 10 Watt | 2 x Right/left channel speaker - Built-in - 10 Watt 1 x Subwoofer - Built-in - 10 Watt |
| Surround mode | Yes | Yes | Yes | Yes | Yes |
| Sound effects | SRS StudioSound SRS TruSurround HD | VR-Audio Pro Surround 2.1 | SRS StudioSound SRS TruSurround HD | Virtual Surround Mode 3D Sound | S-FORCE Front Surround 3D |
| Total output power | 20 Watt | 20 Watt | 20 Watt | 20 Watt | 30 Watt |
| Addtional features | SRS TruSurround HD SRS TruVolume Ambient light sensor (ALS) Mercury Free | My Home Screen Swipe & Share 2.0 Voice Guidance | Ultra thin design SRS StudioSound HD SRS TruVolume Ambient light sensor (ALS) Mercury Free | Cinema Design with 5mm bezel DLNA Certified Windows 7 certified Triple XD Engine Picture Wizard II 2D to 3D conversion Intelligent Sensor Progressive scan SimpLink (HDMI CEC) Web browser | 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 |
| Input/Output connections | 4 x HDMI input (19 pin HDMI Type A) - Side 2 x Hi-Speed USB (4 pin USB Type A) - Side 1 x Digital audio output (optical) (TOSLINK) - Side 1 x Audio output (Mini-phone stereo 3.5 mm) - Side 1 x Ethernet (RJ-45) - Bottom 1 x VGA input (15 pin HD D-Sub (HD-15)) - Bottom 1 x Composite video / component video input (RCA phono x 3) - Bottom 1 x Audio line-in (RCA phono x 2) | 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 | 1 x Composite video / component video input 1 x VGA input (RCA phono x 3) - Side 2 x USB 2.0 input (RCA phono x 2) - Bottom 1 x Digital audio output (15 pin HD D-Sub (HD-15)) - Bottom 1 x Analog audio output (RJ-45) - Bottom (TOSLINK) - Bottom (19 pin HDMI Type A) - Bottom (19 pin HDMI Type A) - Side (4 pin USB Type A) - Side (RCA phono x 2) - Side (Mini-phone stereo 3.5 mm) | 1 x VGA input (15 pin HD D-Sub (HD-15)) - Rear 4 x HDMI input (19 pin HDMI Type A) - Side 1 x Composite video/audio input (RCA phono x 3) - Rear 1 x Audio line-in (Mini-phone stereo 3.5 mm) - Rear 1 x Digital audio output (optical) (TOSLINK) - Rear 3 x USB 2.0 (4 pin USB Type A) - Side 1 x Component video input (RCA phono x 3) - Rear 1 x Network (RJ-45) - Rear 1 x Audio line-in (RCA phono x 2) - Rear | 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 |
| Video interface | HDMI Component Composite | HDMI Component Composite | HDMI Component Composite | HDMI Component Composite | HDMI Component Composite |
| HDMI ports qty | 4 | 3 | 4 | 4 | 4 |
| PC interface | VGA (HD-15) | Info unavailable | VGA (HD-15) | VGA (HD-15) | VGA (HD-15) |
| Manufacturer warranty | 1 year warranty | 1 year warranty | 1 year warranty | 1 year warranty | 1 year warranty |
| Dimensions (WxDxH) | 49.7 in x 11.2 in x 32.1 in - With stand | 50.6 in x 13.1 in x 32.1 in - With stand | 54.13 in x 11.02 in x 33.51 in - With stand | 41.7 in x 10.4 in x 27.6 in - With stand | 50 in x 1.4 in x 29.5 in - Without stand |
| Weight | 66.1 lbs | 68.3 lbs | 61.73 lbs | 38.6 lbs | 47.8 lbs |
| Full specifications | Full specifications | Full specifications | Full specifications | Full specifications | Full specifications |
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