# item.guide
Side-by-Side Comparison Display Cables

DisplayPort 1.2 vs. HDMI 1.4

Comparing 2 standards across 7 specifications. 7 key differences identified.

Comparing:
DisplayPort 1.2
HDMI 1.4

DisplayPort 1.2, released January 7, 2010, doubled maximum bandwidth to 21.6 Gbps via a new High Bit Rate 2 (HBR2) mode, enabling 4K at 60Hz for the first time. Its headline feature, Multi-Stream Transport (MST), lets multiple monitors daisy-chain from a single DisplayPort output.

View full DisplayPort 1.2 spec sheet →

HDMI 1.4, released in 2009, added the HDMI Ethernet Channel, Audio Return Channel (ARC), and stereoscopic 3D video support, plus a 4K mode -- but capped at 24-30Hz, since bandwidth stayed at 10.2 Gbps. The even smaller Type D Micro connector was also introduced.

View full HDMI 1.4 spec sheet →

Specification Comparison Table

7 Parameters
Parameter / Spec
Release Date
January 7, 2010 2009
Max Bandwidth, HBR2 4 lanes (raw / effective)
21.6 / 17.28 Gbps
Max Resolution @ Refresh Rate
3840x2160 (4K) @ 60Hz, 10-bit color
AUX Channel Bandwidth
up to 720 (up from 1.0's 1 Mbps) Mbps
Max Bandwidth / Data Rate
10.2 (unchanged from 1.3) Gbps
Max 4K Resolution
3840x2160 @ 24, 25, or 30Hz only
HDMI Ethernet Channel
100 Mbps