Of course, the one with an electronic decoding chip is better, sending out a digital signal, and the one without a decoding chip is an analog signal
The audio in the hdmi interface is a digital signal, that is to say, the audio and video are transmitted through the digital signal in the same wire, usually the computer's audio signal is an analog signal, the analog signal can be connected to the speaker directly to play the sound, the digital signal needs a decoder or decoding chip to decode and then transmitted to the speaker.
I hope that will be helpful.