All this is incorrect.
There are a larger number of pixels in the set space which assists in improving the clearness of picture in HDTVs. High defintion TV sharpness can be developed in generally all the 50 – 63 inch plasma models for they carry that sort of chamber that can fit the number of pixels. Previously, mostly all 40 " plasma TVs were not High defintion TV able. Thus, in present time there is merely any 42 inch plasma TV that is not able to reproduce HDTVs resolution. In fact, in present time this can be done by smaller screens moreover. The organizations which has introduced these kinds of TVs are Philips as well as Sony.
Check out either a plasma TV is powered of showing HDTV resolution before purchasing it. You can confirm this fact whether your plasma is ‘HDTV capable’ solely by putting up questions to the dealer. Do not go for it if he states that it is ‘HDTVA equipped While the HDTVs signals are obtained but then are exhibited in a reduced resolution through HDTVA compatible plasma TV.
The HDTV affect can be get in by having the plasma display of at least 720 x 1200 or 1024 x 1024 in a plasma TV.