So… Apple really brought into the public eye the Display Port standard last week with their complete switchover to the DP standard. I confess I hadn’t known anything about this standard before now. However, I’ve done some reading on Mini DP vs HDMI, and thought I’d share my perspectives.
Comparison
- Similar Resolution: DP supports up to 2560×1600 resolution over 3 meters, but is theoretically capable of more. HDMI is finally up to the 2560×1600 resolution as of the latest 1.3 standard.
- DP uses packet technology vs frequency transmission for HDMI. This allows encapsulation of the bits of audio and video simultaneously, vs. a separation of frequencies for HDMI.
- Because of the packet type technology with DP, the protocol supports transmission over Fiber Optic cables. This allows for theoretically higher throughput capabilities
- Because of the packet technology, there is a higher attenuation length for DP than for HDMI. As HDMI cables get longer, the signal becomes less strong and less reliable.
- DP has a higher throughput than HDMI. DP supports up to 10.8GBps at 2560×1600 over 3 meters. HDMI only supports 400mbps over 3 meters.
- Because of the packet technology, DP allows feature additions.
- DP does not require control circuits, and can drive displays directly. This allows for thinner screens.
- DP allows multiple video streams over a single connection.
- DP is open source… HDMI is a licensed format.
- DP does not require content protection.
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