| Remove from comparison | Remove | Remove | Remove | Remove | Remove |
|---|---|---|---|---|---|
| Product name | |||||
| Price | Pricing not available | $544.70 to $629.99 | $585.99 to $627.00 | $598.00 to $699.87 | $799.95 |
| CNET editors' rating | |||||
| Average user rating |  |
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| Release date | March 01, 2011 | March 01, 2011 | May 01, 2011 | ||
| The Bottom Line | While the picture quality of the LG LK450 has its strengths, they're overcome by its grayish reproduction of black. | The Samsung LND550's mix of features, style and picture quality stands tall among the tough entry-level LCD TV crowd. | The Vizio E3D0VX series has excellent features for the price, including 3D and robust streaming, but its 2D picture quality is a big Achilles' heel. | The Panasonic TC-P50UT50 plasma TV nearly matches the world-beating picture quality of the ST50 series, at an even lower price. | |
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| Features | |||||
| Product type | LCD TV | LCD TV | LCD TV | LCD TV | Plasma TV |
| Diagonal size | 40 in | 42.0 in | 40 in | 42 in | 42.0 in |
| Technology | TFT active matrix | TFT active matrix | TFT active matrix | LCD 3D | Plasma (PDP) |
| Resolution | 1920 x 1080 | 1920 x 1080 | 1920 x 1080 | 1920 x 1080 | 1920 x 1080 |
| Display format | 1080p | 1080p | 1080p | 1080p | 1080p |
| Pixel response time | 8 ms | 4 ms | Info unavailable | 5 ms | Info unavailable |
| Widescreen | Widescreen | Widescreen | Widescreen | Widescreen | Widescreen |
| Widescreen modes | 16:9 TheaterWide WideScreen Letterbox | Cinema Zoom 16:9 Conventional 4:3 Just Scan Original Zoom | Info unavailable | Info unavailable | Full Conventional 4:3 Just Zoom |
| Supported DTV resolutions | 1080p | Info unavailable | Info unavailable | Info unavailable | 720p 1080p 1080i |
| Supported computer resolutions | 1280 x 1024 (SXGA) | Info unavailable | Info unavailable | Info unavailable | Info unavailable |
| TV tuner presence | Yes | Yes | Yes | Yes | Yes |
| Digital TV tuner | ATSC QAM | ATSC QAM | Info unavailable | ATSC | ATSC QAM |
| Speaker(s) | 2 x Right/left channel speaker - Built-in | 2 x Right/left channel speaker - Built-in - 10 Watt | 2 x Right/left channel speaker - Built-in - 10 Watt | 2 x Right/left channel speaker - Built-in - 10 Watt | 2 x Right/left channel speaker - Built-in - 10 Watt |
| Sound output mode | Stereo | Stereo | Stereo | Stereo | Stereo |
| Surround mode | Yes | Yes | Yes | Yes | Yes |
| Sound effects | 3D Surround | Infinite Surround | SRS TheaterSound | SRS TruSurround HD SRS TruSurround | 3D Sound |
| Additional features | Sleep timer DynaLight Game mode ColorStream HD Component Video Inputs CineSpeed Channel labeling 3:2 pull down compensation | Clear Voice II technology | On-screen menu AllShare ConnectShare Movie Touch of Color (ToC) | SRS TruVolume | Audio Return Channel (ARC) |
| Input/Output connections | 1 x Composite video/audio input (RCA phono x 3) - Side 3 x HDMI (19 pin HDMI Type A) - Rear 1 x VGA input (15 pin HD D-Sub (HD-15)) - Rear 1 x Audio line-in (Mini-phone stereo 3.5 mm) - Rear 2 x HD component input (RCA phono x 3) - Rear 2 x Audio line-in (RCA phono x 2) - Rear 1 x Variable audio output (RCA phono x 2) - Rear 1 x S-Video input (4 pin mini-DIN) - Rear 1 x Composite video/audio input (RCA phono x 3) - Rear 1 x Digital audio output (optical) (TOSLINK) - Rear | 1 x Headphones (Mini-phone stereo 3.5 mm) - Side 1 x USB 2.0 (4 pin USB Type A) - Side 1 x HDMI input (19 pin HDMI Type A) - Side 1 x Audio line-in (Mini-phone stereo 3.5 mm) - Rear 1 x Audio line-in (RCA phono x 2) - Rear 2 x Component video input (RCA phono x 3) - Rear 1 x Digital audio output (optical) (TOSLINK) - Rear 2 x HDMI input (19 pin HDMI Type A) - Rear 1 x VGA input (15 pin HD D-Sub (HD-15)) - Rear 1 x Serial - Rear 1 x Composite video/audio input (RCA phono x 3) - Rear 1 x Composite video/audio input (RCA phono x 3) - Side | 1 x Audio line-in (Mini-phone stereo 3.5 mm) 4 x HDMI (19 pin HDMI Type A) 2 x Audio line-in (RCA phono x 2) 1 x VGA input (15 pin HD D-Sub (HD-15)) 2 x Component video input (RCA phono x 3) 2 x USB 2.0 (4 pin USB Type A) | 3 x HDMI input (19 pin HDMI Type A) 1 x Composite video/audio input (RCA phono x 3) 1 x Component video input (RCA phono x 3) 1 x Digital audio output (optical) (TOSLINK) 1 x VGA input (15 pin HD D-Sub (HD-15)) 1 x Audio line-in (Mini-phone stereo 3.5 mm) 2 x USB (4 pin USB Type A) 1 x Audio line-in (RCA phono x 2) 1 x Network (RJ-45) 1 x Audio line-out | 2 x HDMI input (19 pin HDMI Type A) - Rear 2 x USB 2.0 (4 pin USB Type A) 1 x Composite video / component video input (RCA phono x 3) 1 x Audio line-in (RCA phono x 2) 1 x Audio line-in (Mini-phone stereo 3.5 mm) 1 x Network (RJ-45) 1 x Digital audio output (optical) (TOSLINK) |
| Video interface | HDMI S-Video Component Composite | HDMI Component Composite | HDMI Component | HDMI Component Composite | HDMI Component Composite |
| HDMI ports qty | 3 | 3 | 4 | 3 | 2 |
| PC interface | VGA (HD-15) HDMI | VGA (HD-15) | VGA (HD-15) | VGA (HD-15) | Info unavailable |
| Dimensions (WxDxH) | 39.2 in x 3.7 in x 25 in - Without stand | 40.1 in x 10.4 in x 27.5 in - With stand | 39.1 in x 3.2 in x 24.1 in - Without stand | 40.2 in x 3.3 in x 25.9 in - Without stand | 39.8 in x 12.6 in x 26.1 in - With stand |
| Weight | 42.1 lbs | 33.3 lbs | 31.3 lbs | 31.3 lbs | 45.2 lbs |
| LCD backlight technology | Info unavailable | CCFL-backlit LCD | Info unavailable | Info unavailable | Info unavailable |
| Refresh rate | Info unavailable | 60 Hz | Info unavailable | 120 Hz | 600 Hz |
| Dynamic contrast ratio | Info unavailable | 100000:1 | 200000:1 | 200000:1 | Info unavailable |
| HDCP compatible | Info unavailable | Yes | Yes | Yes | Yes |
| Total output power | Info unavailable | 20 Watt | 20 Watt | 20 Watt | 20 Watt |
| Manufacturer warranty | Info unavailable | 1 year warranty | 1 year warranty | 1 year warranty | 1 year warranty |
| 3D technology | Info unavailable | Info unavailable | Info unavailable | Yes | Active 3D compatible |
| Connectivity protocols | Info unavailable | Info unavailable | Info unavailable | IEEE 802.3 (Ethernet) IEEE 802.3u (Fast Ethernet) IEEE 802.11n | IEEE 802.3 (Ethernet) IEEE 802.3u (Fast Ethernet) |
| Image aspect ratio | Info unavailable | Info unavailable | Info unavailable | 16:9 | 16:9 |
| Brightness | Info unavailable | Info unavailable | Info unavailable | 420 cd/m2 | Info unavailable |
| ENERGY STAR version | Info unavailable | Info unavailable | Info unavailable | 4.2 | Info unavailable |
| Plasma panel technology | Info unavailable | Info unavailable | Info unavailable | Info unavailable | Panasonic 15th Generation Plasma Panel |
| Internet streaming services | Info unavailable | Info unavailable | Info unavailable | Info unavailable | VIERA Connect |
| Full specifications | Full specifications | Full specifications | Full specifications | Full specifications | Full specifications |
| Buying choices | Pricing not available | | | | |
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