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Each of the LCDs below delivers improved motion resolution, otherwise known as less blurring, compared with other LCDs, and higher refresh rates are the main reason. The Sony and Samsung sets are true 240Hz models, meaning they take the original 60Hz source and repeat each frame four times. The Toshiba and LG, on the other hand, only repeat each frame twice--the same as standard 120Hz models--and then use a scanning backlight to further reduce blurring. The effects of each technology are similar, although the Toshiba and LG did score a bit lower on our motion resolution test. It's worth noting that plasma TVs score as well if not better than any 240Hz model on this test, and certain LED-backlit models also do very well.
The kicker is that, to our eyes at least, image blurring is really difficult to see. In one review, we set up the Toshiba next to the Samsung and disabled the latter's processing--rendering its motion resolution equivalent to an LCD with a 60Hz refresh rate--and watched a fast-paced hockey game. It was nearly impossible to see any difference between the two.
We understand some viewers are more susceptible to image blurring, and for them the 240Hz displays might be worth the $200-$400 premium being charged today. But for most people, 240Hz isn't worth it.
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| Product | Toshiba REGZA 47ZV650U | Sony Bravia KDL-52XBR9 |
| Price | $2,009.10 | $3,895.93 |
| CNET editors' rating | 3 stars | 3 stars |
| Average user rating | 3 stars | 3 stars |
| Release date | April 15, 2009 | Info unavailable |
| Bottom line | Although subpar black levels keep it from besting the LCD champs, the Toshiba ZV650U series is still one of the better 240Hz values among TVs with a 240Hz effect. | Sony's high-end KDL-XBR9 series of LCD TV offers a bundle of extras and solid picture quality, but the price will turn off most buyers. |
| Product type | LCD TV | LCD TV |
| Diagonal size | 47 in | 52 in |
| Technology | TFT active matrix | TFT active matrix |
| LCD backlight technology | Wide Color Gamut-CCFL | Wide Color Gamut-CCFL |
| Resolution | 1920 x 1080 | 1920 x 1080 |
| Display format | 1080p | 1080p |
| Refresh rate | 240Hz | 240Hz |
| Dynamic contrast ratio | 100000:1 | 1000000:1 |
| Image aspect ratio | 16:9 | 16:9 |
| Pixel response time | 8 ms | Info unavailable |
| Widescreen | Widescreen | Widescreen |
| Widescreen modes | TheaterWide Conventional 4:3 | Wide Zoom Full Normal Stretch Auto Wide Conventional 4:3 Zoom |
| Supported DTV resolutions | 1080/24p | 1080/60p 720/60p 1080/60i 480/60p 1080/24p 480/60i |
| TV tuner presence | Yes | Yes |
| Digital TV tuner | ATSC QAM | ATSC QAM |
| Speaker(s) | 2 x Right/left channel speaker - Built-in | 2 x Right/left channel speaker - Built-in - 10 Watt |
| Sound output mode | Stereo | Stereo |
| Addtional features | Audyssey EQ Dolby Volume Invisible Speaker System Mute button | Invisible Speaker System Voice Zoom Auto volume adjustment |
| Input/Output connections | 1 x Digital audio input (optical) - Rear 1 x VGA input (15 pin D-Sub (DB-15)) - Rear 3 x HDMI (19 pin HDMI Type A) - Rear 2 x HD component input (RCA phono x 3) - Rear 3 x Audio line-in (RCA phono x 2) - Rear 1 x Fixed audio output (RCA phono x 2) - Rear 1 x Audio line-in (Mini-phone stereo 3.5 mm) - Rear 1 x Remote control (RCA phono) - Rear 1 x Composite video/audio input (RCA phono x 3) - Side 1 x HDMI (19 pin HDMI Type A) - Side 1 x S-Video input (4 pin mini-DIN) - Rear 1 x USB - Side 1 x Composite video input (RCA phono) - Rear | 3 x Audio line-in - Rear 1 x Audio line-in - Side Audio line-out (RCA phono x 2) - Rear 2 x Component video input (RCA phono x 3) - Rear 1 x Composite video input (RCA phono) - Rear 1 x Composite video input (RCA phono) - Side 1 x Digital audio output (optical) (TOSLINK) - Rear 1 x S-Video input (4 pin mini-DIN) - Rear 1 x VGA input (15 pin HD D-Sub (HD-15)) - Rear 3 x HDMI (19 pin HDMI Type A) - Rear 1 x HDMI (19 pin HDMI Type A) - Side 1 x Network (RJ-45) - Rear 1 x Audio line-in (Mini-phone stereo 3.5 mm) - Rear 1 x USB - Rear 1 x USB 2.0 - Side |
| Video interface | HDMI S-Video Component Composite | HDMI S-Video Component Composite |
| HDMI ports qty | 4 | 4 |
| PC interface | VGA (HD-15) HDMI | VGA (HD-15) |
| Dimensions (WxDxH) | 46.5 in x 3.7 in x 28.9 in - Without stand | 48.8 in x 3.3 in x 29.3 in - Without stand |
| Weight | 50.3 lbs | 57.1 lbs |
| Internet streaming services | Info unavailable | BRAVIA Internet Video |
| Comb filter | Info unavailable | 3D digital |
| HDCP compatible | Info unavailable | Yes |
| Surround mode | Info unavailable | Yes |
| Sound effects | Info unavailable | S-FORCE Front Surround Sound |
| Total output power | Info unavailable | 20 Watt |
| Manufacturer warranty | Info unavailable | 1 year warranty |
| Full specifications | Full specifications | Full specifications |
| Buying choices |
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