Flat-panel TV comparison chart

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Product name	Samsung UN46D6400 Close	Samsung UN46EH6000 Close	Panasonic TC-P55ST50 Close	Samsung LN46D630 Close
Price	$1,149 at 1 store	$772 to $848 at 2 stores	$1,688 to $2,590 at 2 stores
CNET editors' rating	3.5 stars Very good Overall score: 7.9 (3.5 stars)	3.0 stars Good Overall score: 6.1 (3.0 stars)	4.5 stars Spectacular Overall score: 9.2 (4.5 stars)	3.5 stars Very good Overall score: 7.3 (3.5 stars)
Average user rating	3.0 stars out of 11 reviews	4.5 stars out of 2 reviews	3.5 stars out of 13 reviews	3.5 stars out of 5 reviews
Release date	March 15, 2011	March 05, 2012	January 10, 2012	April 01, 2011
The Bottom Line	Solid overall 2D and 3D picture quality, as well as a wealth of features and beautiful looks, mark the Samsung UND6400 as one of the better edge-lit LED-based LCD TVs we've tested.	Although it's cheaper than Samsung's ultrathin edge-lit models, the EH6000 series's value proposition is hurt by mediocre picture quality.	With flagship-level picture quality for a midlevel price, the Panasonic ST50 series sets the value standard among videophile-grade TVs.	With image quality every bit as good as many expensive LED models, the Samsung LND630 is a great choice for a no-frills LCD TV.
Basic specs
Features	See What's the Same or What's different
Plasma panel technology	Info unavailable	Info unavailable	Panasonic 15th Generation Plasma Panel	Info unavailable
PC interface	VGA (HD-15)	Info unavailable	Info unavailable	VGA (HD-15)
Widescreen modes	Info unavailable	Info unavailable	Full Conventional 4:3 Just Zoom	Info unavailable
Internet streaming services	Info unavailable	Info unavailable	Skype FOX sports SHOUTcast AccuWeather VIERA Connect Hulu Plus MLB.tv Pandora YouTube	Info unavailable
Addtional features	Auto Volume Leveller (AVL) Bottom mounted	SRS TheaterSound HD Down Firing + Full Range speaker Wide Color Enhancer Plus ConnectShare Movie Eco Sensor Game mode Auto volume leveler	2D to 3D conversion Infinite Black Pro Panel Faster-switching phosphor panel Web browser	Auto Volume Leveler (AVL) Wide Color Enhancer ConnectShare Movie Anynet+ technology AllShare Play Touch of Color (ToC) Slim frame design
Resolution	1920 x 1080	1920 x 1080	1920 x 1080	1920 x 1080
Total output power	20 Watt	20 Watt	18 Watt	20 Watt
LED backlight type	Edge Light w/ local dimming	Full array	Info unavailable	Info unavailable
Display format	1080p	1080p	1080p	1080p
Image aspect ratio	16:9	Info unavailable	16:9	Info unavailable
Refresh rate	120 Hz	120 Hz	600 Hz	120 Hz
HDMI ports qty	4	2	3	4
Diagonal size	46 in	46 in	55 in	46 in
LCD backlight technology	LED Backlight technology	LED Backlight technology	Info unavailable	Info unavailable
Technology	3D LED-LCD	LED-LCD	3D	TFT active matrix
Supported DTV resolutions	Info unavailable	Info unavailable	720p 1080p 1080i	Info unavailable
Speaker(s)	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 - 4 Watt 1 x Subwoofer - Built-in - 10 Watt	2 x Right/left channel speaker - Built-in - 10 Watt
Dynamic contrast ratio	5000000:1	5000000:1	Info unavailable	250000:1
TV tuner presence	Yes	Yes	Yes	Yes
Video interface	HDMI Component Composite	HDMI Component Composite	HDMI Component Composite	HDMI Component Composite
ENERGY STAR version	Info unavailable	5.3	Info unavailable	Info unavailable
Dimensions (WxDxH)	41.7 in x 1.2 in x 24.5 in - Without stand	41.7 in x 3.7 in x 24.8 in - Without stand	51.2 in x 14.1 in x 32.4 in - With stand	44.1 in x 3.2 in x 26.5 in - Without stand
Connectivity protocols	Bluetooth	Info unavailable	Built-in Wi-Fi Bluetooth	Info unavailable
Widescreen	Widescreen	Info unavailable	Widescreen	Widescreen
Weight	29.8 lbs	26.5 lbs	71.6 lbs	41.2 lbs
Input/Output connections	4 x HDMI 3 x USB (19 pin HDMI Type A) - Rear (RCA phono x 3) - Rear (Mini-phone stereo 3.5 mm) (4 pin USB Type A) (RCA phono x 2) (15 pin HD D-Sub (HD-15)) (RCA phono) (Mini-phone stereo 3.5 mm) (TOSLINK)	2 x HDMI (19 pin HDMI Type A) - Rear 1 x Composite video / component video input (RCA phono x 3) - Rear 1 x Digital audio input/output (optical) (TOSLINK) - Rear 1 x USB 2.0 (4 pin USB Type A) - Rear 1 x Audio line-out (Mini-phone stereo 3.5 mm) - Rear 1 x Audio input (RCA phono x 2) - Rear	3 x HDMI input (19 pin HDMI Type A) - Side 2 x USB 2.0 (4 pin USB Type A) 1 x Composite video / component video input (RCA phono x 3) - On supplied adapter 1 x Audio line-in (RCA phono x 2) - On supplied adapter 1 x Audio line-in (Mini-phone stereo 3.5 mm) 1 x Network (RJ-45) 1 x Digital audio output (optical) (TOSLINK)	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) 2 x Composite video input (RCA phono) 1 x Digital audio output (optical) (TOSLINK) 1 x Audio line-out
Manufacturer warranty	1 year warranty	1 year warranty	Info unavailable	1 year warranty
HDCP compatible	Yes	Yes	Yes	Yes
Digital TV tuner	ATSC QAM	ATSC QAM	ATSC QAM	ATSC QAM
Sound output mode	Stereo	Info unavailable	Stereo	Stereo
Surround mode	Yes	Yes	Yes	Yes
Sound effects	SRS TheaterSound HD	SRS TheaterSound HD	3D Sound	SRS TheaterSound
3D technology	Yes Passive-3D compatible	Info unavailable	Yes	Info unavailable
Product type	LED-LCD	LED-LCD	Plasma	LCD
Full specifications	Full specifications	Full specifications	Full specifications	Full specifications
Buying choices	Amazon.com Marketplace $1,149.00 In stock: Yes Price from 1 CNET Certified store	Amazon.com Marketplace $848.00 In stock: Yes Price from 1 CNET Certified store	Amazon.com Marketplace $1,688.99 In stock: Yes Price from 1 CNET Certified store	E-mail me when this product is available Find Samsung LN46D630 from our auction partner, eBay
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Flat-panel TV comparison chart

Samsung UN46D6400

Samsung UN46EH6000

Panasonic TC-P55ST50

Samsung LN46D630

Basic specs

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