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HDMI 2 Announced, HDMI 1 vs HDMI 2

HDMI 2 Announced, HDMI 1 vs HDMI 2

HDMI 2.0 has been officially announced, and it gives a pretty good boost in audio and video quality. Announced by HDMI Licensing, the new connection standard boasts a bandwidth capacity of up to 18Gbps, which means it can carry 3,840 x 2,160 resolution video at up to 60fps. That’s pretty impressive. It also supports up to 32 audio channels. Below is a table that sums it all up.  Fortunately, the physical connector itself is unchanged—which is relief for anyone concerned about backwards compatibility. Expect to see devices using the new standard late this year.


HDMI version





Date initially released 2005 2006 2009 2013
Maximum clock rate (MHz) 165 340 340
Maximum TMDS throughput per channel (Gbit/s) including 8b/10b overhead 1.65 3.40 3.40 6
Maximum total TMDS throughput (Gbit/s) including 8b/10b overhead 4.95 495 10.2 18
Maximum throughput (Gbit/s) with 8b/10b overhead removed 3.96 8.16 8.16 14.4
Maximum audio throughput (Mbit/s) 36.86 36.86 36.86 36.86
Maximum color depth (bit/px) 24 48
48 48
Maximum res over single link:24-bit/px
1920×1200p60 2560×1600p75 4096×2160p24 4096×2160p60
Maximum res over single link:30-bit/px
N/A 2560×1600p60 4096×2160p24 4096x2160p60
Maximum res over single link:36-bit/px
N/A 1920×1200p75 4096×2160p24 4096x2160p60
Maximum res over single link:48-bit/px
N/A 1920×1200p60 1920×1200p60 4096x2160p60