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| Product | Vizio E500i-A1 | Vizio E601i-A3 | Vizio E552VLE | Panasonic TC-P55ST60  |
| Price | $648.00 to $861.93 | $998.00 to $1,280.85 | $649.99 to $848.00 | $1,249.00 to $1,799.00 |
| CNET editors' rating | 3 stars | 3.5 stars | 2.5 stars | 5 stars |
| Average user rating | 5 stars | 3.5 stars | 1.5 stars | 5 stars |
| Release date | November 15, 2012 | Info unavailable | March 1, 2012 | April 1, 2013 |
| Bottom line | Despite being unable to fulfill the expectations raised by its specification sheet, the Vizio E-Series remains a good choice if you value its Smarts and styling. | The Vizio E601i-A3 is the best value yet among big-screen
LED TVs. | The Vizio E2VLE series may appeal to budget shoppers who just want Smart TV, but subpar picture quality hurts its chances against the tough competition. | The midlevel price and outstanding quality of the Panasonic TC-PST60 series make it our strongest TV recommendation ever. |
| Product type | LED-LCD | LED-LCD | LCD | Plasma |
| Diagonal size | 50 in | 60 in | 55 in | 55 in |
| LCD backlight technology | LED backlight | LED Backlight technology | CCFL-backlit LCD | Info unavailable |
| Internet streaming services | Netflix Hulu Plus Vudu Skype Pandora YouTube | Netflix Vudu Hulu Plus Pandora YouTube Flickr | Smart TV | Viera Connect |
| Connectivity protocols | Built-in Wi-Fi Ethernet | Ethernet Built-in Wi-Fi | Wi-Fi ready | Built-in Wi-Fi |
| Resolution | 1920 x 1080 | 1920 x 1080 | 1920 x 1080 | 1920 x 1080 |
| Display format | 1080p | 1080p | 1080p | 1080p |
| Dynamic contrast ratio | 2000000:1 | 1000000:1 | 100000:1 | Info unavailable |
| Image aspect ratio | 16:9 | 16:9 | 16:9 | 16:9 |
| Pixel response time | 8 ms | 4 ms | 6.5 ms | Info unavailable |
| TV tuner presence | Yes | Yes | Yes | Yes |
| Speaker(s) | 2 x Main channel speaker - Built-in - 8 Watt | 2 x Main channel speaker - Built-in - 10 Watt | 2 x Main channel speaker - Built-in - 15 Watt | 2 x Main channel speaker - Built-in - 5 Watt 1 x Subwoofer - Built-in - 10 Watt |
| Surround mode | Yes | Yes | Yes | Yes |
| Sound effects | SRS StudioSound SRS TruSurround HD | SRS StudioSound SRS TruSurround HD | SRS StudioSound SRS TruSurround HD | VR-Audio Pro Surround 2.1 |
| Total output power | 16 Watt | 20 Watt | 30 Watt | 20 Watt |
| Addtional features | Slim frame design SRS StudioSound SRS StudioSound HD SRS TruVolume Ambient light sensor (ALS) Mercury Free | Ultra thin design SRS StudioSound HD SRS TruVolume Ambient light sensor (ALS) Mercury Free | On-screen menu JPEG photo playback Ambient light sensor (ALS) SRS StudioSound HD | My Home Screen Swipe & Share 2.0 Voice Guidance |
| Input/Output connections | 4 x HDMI (19 pin HDMI Type A) - Side 1 x Composite video / component video input (RCA phono x 3) - Bottom 1 x USB (4 pin USB Type A) - Side 1 x Digital audio output (optical) (TOSLINK) - Side 1 x Audio output (RCA phono x 2) - Side 1 x Audio line-in (RCA phono x 2) - Bottom 1 x Network (RJ-45) - Bottom | 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) | 2 x USB 1 x VGA (19 pin HDMI Type A) (Mini-phone stereo 3.5 mm) (4 pin USB Type A) (RJ-45) (15 pin HD D-Sub (HD-15)) | 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 |
| Video interface | HDMI Component Composite | HDMI Component Composite | HDMI Component Composite | HDMI Component Composite |
| HDMI ports qty | 4 | 4 | 4 | 3 |
| ENERGY STAR version | 5.3 | 5.3 | 5.3 | Info unavailable |
| Manufacturer warranty | 1 year warranty | 1 year warranty | 1 year warranty | 1 year warranty |
| Dimensions (WxDxH) | 44.56 in x 10.36 in x 28.08 in - With stand | 54.13 in x 11.02 in x 33.51 in - With stand | 52 in x 5 in x 32.6 in - Without stand | 50.6 in x 13.1 in x 32.1 in - With stand |
| Weight | 42.95 lbs | 61.73 lbs | 65.9 lbs | 68.3 lbs |
| Full specifications | Full specifications | Full specifications | Full specifications | Full specifications |
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