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3.0 ATSC tuner...4k over air broadcast ready...for the GX...plus flush mountable to wall...the big feature...and 60 watt sound versus 30...and likely a better quality grade panel tho that is not documented as being a difference, specs and OS are identical..GX does have hands free voice control also...a cool feature..only down side is for those not wall mounting it, you have to fork out 100 bucks for the two feet to table top it...and the feet are very widely separated so yur stand might need an upgrade if you get the 77 incher..
Sorry, there was a problem. Please try again later.The GX has a Gallery Design for flush wall mounting and comes with the wall mount, the table top stand is sold separately. The GX has NEXTGEN TV (ATSC 3.0). The CX does not have NEXTGEN TV (ATSC 3.0) nor flush wall mounting. Please see the link for a side by side comparison of both TVs and available specifications, https://www.lg.com/us/compare?bizType=B2C. ^Daphane
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