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| Product | Sony KDL-46EX640 | Panasonic TC-P55ST60  | Sony KDL-55HX850 |
| Price | $1,249.00 to $1,455.43 | $1,229.00 to $1,799.00 | $1,815.00 to $2,799.00 |
| CNET editors' rating | 3 stars | 5 stars | 4 stars |
| Average user rating | 0 stars | 5 stars | 3.5 stars |
| Release date | Info unavailable | April 1, 2013 | Info unavailable |
| Bottom line | Sony's EX640 series is one of the better deals from the company, with decent picture quality and features for the price. | 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. |
| Product type | LED-LCD | Plasma | LED-LCD |
| Diagonal size | 46 in | 55 in | 55 in |
| Technology | LED-LCD | Info unavailable | LED-LCD |
| LCD backlight technology | LED Backlight technology | Info unavailable | LED Backlight technology |
| LED backlight type | Edge-lit | Info unavailable | Edge Light with local dimming |
| Internet streaming services | Sony Entertainment Network BRAVIA Internet Video | Viera Connect | Sony Entertainment Network and apps access |
| Connectivity protocols | Ethernet Wi-Fi ready, adapter included | Built-in Wi-Fi | Built-in Wi-Fi |
| Resolution | 1920 x 1080 | 1920 x 1080 | 1920 x 1080 |
| Display format | 1080p | 1080p | 1080p |
| Image aspect ratio | 16:9 | 16:9 | 16:9 |
| Widescreen | Widescreen | Info unavailable | Widescreen |
| Widescreen modes | Wide Zoom Full Normal Auto Wide Conventional 4:3 Zoom | Info unavailable | Wide Zoom Full Normal Caption Auto Wide Conventional 4:3 Zoom |
| Comb filter | 3D digital | Info unavailable | 3D digital |
| HDCP compatible | Yes | Yes | Yes |
| Supported DTV resolutions | 1080/60p 720/60p 1080/60i 480/60p 1080/24p 480/60i | Info unavailable | 1080/60p 720/60p 1080/60i 480/60p 1080/24p 480/60i |
| TV tuner presence | Yes | Yes | Yes |
| Digital TV tuner | ATSC QAM | ATSC | ATSC |
| Speaker(s) | 2 x Main channel speaker - Built-in - 8 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 |
| Sound output mode | Stereo | Info unavailable | Stereo |
| Surround mode | Yes | Yes | Yes |
| Sound effects | Bass Boost | VR-Audio Pro Surround 2.1 | S-FORCE Front Surround 3D |
| Total output power | 16 Watt | 20 Watt | 30 Watt |
| Addtional features | Onscreen menu Channel labeling Game mode LightSensor Technology Parental control Advanced Contrast Enhancer Digital Noise Reduction (DNR) Sleep timer | 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 |
| Input/Output connections | 1 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) - Rear 1 x Audio line-out - Rear 1 x Composite video / component video input (RCA phono x 3) - Rear 1 x Composite video input (RCA phono) - Side 1 x Digital audio output (optical) (TOSLINK) - Rear 1 x Network (RJ-45) - Rear 3 x HDMI (19 pin HDMI Type A) - Rear 1 x HDMI (19 pin HDMI Type A) - Side 1 x VGA input (15 pin HD D-Sub (HD-15)) - Rear 2 x USB 2.0 (4 pin USB Type A) - 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 |
| Video interface | HDMI Component Composite | HDMI Component Composite | HDMI Component Composite |
| HDMI ports qty | 4 | 3 | 4 |
| PC interface | VGA (HD-15) | Info unavailable | VGA (HD-15) |
| ENERGY STAR version | 5.3 | Info unavailable | 5.3 |
| Manufacturer warranty | 1 year warranty | 1 year warranty | 1 year warranty |
| Dimensions (WxDxH) | 42.1 in x 9.9 in x 27 in - With 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 |
| Weight | 37.3 lbs | 68.3 lbs | 47.8 lbs |
| 3D technology | Info unavailable | Active 3D | Active 3D |
| Full specifications | Full specifications | Full specifications | Full specifications |
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