High Definition Multimedia Interface

Is an interface for digital image and sound transmission.

HDMI 1.0 to 1.2a

• Maximum resolution: 1920 × 1080p @ 60 Hz
• from 1.2a: CEC-Support

HDMI 1.3 to 1.3c

• Maximum resolution: 2560 × 1440p @ 60 Hz
• Lip Sync

HDMI 1.4 to 1.4a

• Maximum resolution: 1920 × 1080p bis zu 120 Hz
• Maximum resolution: 3840 × 2160p @ 24 Hz
• Ethernet Channel
• Audio Return Channel (ARC)

HDMI 1.4b

• Maximum resolution: 1920 x 1080p @ 120 Hz
• Maximum resolution: 2560 × 1600p @ 60 Hz
• Maximum resolution: 3840 × 2160p @ 30 Hz
• Maximum resolution: 4096 × 2160p @ 24 Hz
• High Bitrate Audio (HBR)

HDMI 2.0 to 2.0b

• Maximum resolution: 3840 × 2160p @ 60 Hz
• 32 channel audio
• from 2.0a: HDR (High Dynamic Range)

HDMI 2.1

• Maximum resolution: 7680 × 4320p @ 60 Hz
• Dynamic HDR
• variable frame rate

Connectors

Source: Wikipedia