DisplayPort vs HDMI… a Comparison
HDMI
DisplayPort
Market
Configuration
Technology
Ownership
Compliance
Std/Royalty
Bit Rate
HDTV/Gaming
PCs
TMDS (8B/10B)
PCI-Express/New (8B/10B)
4 lanes (3 Data, 1 Ck)
Differential, DC coupled
1, 2, or 4 lanes (Embedded Clock)
Differential, AC coupled
250Mbs to 3.4Gbs per
lane
1.62, 2.7, or 5.4Gbs
Authorized Test Centers
Qualified Test Houses
HDMI.org
VESA
Closed/Yes
Open/No
Driving Need
HDTV and HDCP
Margin, embedded application
Tx/Rx Negotiation
EDID/DDC Aux Channel
Models
External External, internal,and Embedded
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