Play station 3 is a game console by the Sony Company. They are the highest sold game consoles in the world even though through a tough competitor like Nintendo. There are many models of video game consoles by this company. You can connect this game console with your TV and play. But when it is the matter of connecting than the cable makes the difference.
This cable through which you are connecting helps to define what type of signal your TV receives so think of it as you are listening the music in plastic speakers vs listening the music on large surround sound speakers. Now you must have understood the difference and importance of the cable to connect your PS3 and TV. PS3 HDMI cables gives you the higher quality of video from your PS3 and for this you need to buy a separate HDMI cable which carries high definition video plus audio.
PS3 HDMI cable is all in one rectangular jack cable to give you high resolution from the original quality of your TV. The transfer rate is 5 gigabyte per second in this PS3 HDMI cable to TV. So in short moving a high definition movie signal takes only up to 2.2 gigabytes. The analog cables are older ones and of lower quality than PS3 HDMI cables. These are new digital cables and are like a wireless network connection where the shielding really does not matter. The most important thing is you dont have to spend hundreds of dollars for getting a PS3 HDMI cable.