In general, your HD signal will be about as good as with an HDMI cable.
But HDMI has faster transfer capabilities.
Still, you’ll need to look at your actual TV to know for certain.
If the TV has 5 or 6 RCA inputs on its back, then you can get HD without an HDMI cable.
Do I need an HDMI cable for my Smart TV?
Full HD TVs and regular Blu-ray players will need a standard HDMI 1.4 cable to connect them to other devices – like your Sky box. Tip: If you have a Smart TV that connects to the internet, you can also get an HDMI cable with built-in Ethernet – so you won’t need as many cables.
Is HDMI cable necessary for HD TV?
HDMI Standards: 1.4, 2.0, 2.0a & 2.1
Any HDMI cable that is certified as “standard” is tested to transmit 1080i or 720p video. HDMI 1.4: If you want your HDMI cables to support 4K resolution, you need to make sure that they are High-Speed HDMI cables.
What kind of HDMI cable do I need?
There are four different types of HDMI cables, not including those for automobiles. You’ve got Standard, Standard with ethernet, High Speed, and High Speed with ethernet. Cable manufacturers are required to clearly display the type on the cable itself. Standard cables are rated for 720p and 1080i signals.
Do HDMI cables make a difference?
OK, so not all HDMI cables are literally the same. Different manufacturing quality can have a slight affect on the ability to transmit the signal over long distances (50+ feet). No matter what, though, there is absolutely no picture or sound quality difference between a $3.50 cable and a $1,000 cable.