The number of video formats supported by the TX-40CX680 is more than most 4K and 8K TVs that are a comparable age to it. This television supports an AVI video format, which is the most commonly supported video format supported by televisions of a comparable spec and age to the TX-40CX680. The video formats "3GPP", "FLV", "M4V", "MKV", "MP4", "TS", "VOB", "VRO" and "WMV" are also supported by this TV.
MP4 stands for Moving Pictures Expert Group 4.
WMV stands for Windows Media Video.
AVI stands for Audio Video Interleave.