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The EX720 series, available in February, has an edge-lit LED backlight (no local dimming) and is Sony's least expensive series with 3D. Here are the specs:
Edge LED backlight
X-Reality Engine
MotionFlow XR 240
Wi-Fi ready (USB wireless LAN adapter sold separately)
Bravia Internet Video and Qriocity
Screen sizes include 60-inch (KDL-60EX720, which is available in April), 55-inch (KDL-55EX720), 46-inch (KDL-46EX720), 40-inch (KDL-40EX720), and 32-inch (KDL-32EX720)
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KDL-EX620 series
The EX620 series, also shipping in Februuary, loses 3D and 240Hz but is otherwise similar to the EX720.
Edge LED backlight
X-Reality Engine
MotionFlow XR 120
Wi-Fi ready (USB wireless LAN adapter sold separately)
Bravia Internet Video and Qriocity
Screen sizes include 55-inch (KDL-55EX620), 46-inch (KDL-46EX620), and 40-inch (KDL-40EX620)
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KDL-EX520 series
The EX520 models (February) don't offer 120Hz or dejudder, but are otherwise similar to the EX620. They're also Sony's least expensive line to get Internet video functionality and an LED backlight.
Edge LED backlight
X-Reality Engine
Wi-Fi ready (USB wireless LAN adapter sold separately)
Bravia Internet Video and Qriocity
Energy saving Presence Sensor minimize power consumption
Screen sizes include 46-inch (KDL-46EX520), 40-inch (KDL-40EX520), 32-inch (KDL-32EX520)
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KDL-BX420 series
One of two series with a standard, CCFL backlight as opposed to LED, the BX420 (February) models count 1080p resolution as their sole step-up feature.
1080p resolution
CCFL backlight
Five HD Inputs to connect multiple HD devices
USB input for photo, music and video playback
Scene select customized picture and sound settings
Ambient light sensor
Screen sizes include 46-inch (KDL-46BX420), 40-inch (KDL-40BX420), and 32-inch (KDL-32BX420)
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KDL-BX320 series
The small, entry-level BX320 models get 720p resolution.
1080p resolution
CCFL backlight
Five HD inputs to connect multiple HD devices
USB input for photo, music and video playback
Scene select customized picture and sound settings
Ambient light sensor
Screen sizes include 32-inch (KDL-32BX320), and 22-inch (KDL-22BX320)
