What’s the difference between HDMI 2.0 and HDMI 2.0 b?
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What’s the difference between HDMI 2.0 and HDMI 2.0 b?
The HDMI 2.0b standard was designed to enable major innovations in emerging 4K display technologies, while the HDMI 2.0 follows a more conservative path and is focused on refining HD signals for current 1080P devices.”
HDMI 1 offered only 720p video resolution and 3D support (being HDCP-compliant) but not backward compatibility with SDTVs common at that time (this explains why some older TVs remained HDMI 1 interfaces). Due to these limitations, an additional interface called MHL was developed to fill the gap for mobile phones and tablets
There are no differences.
HDMI 2.0 and HDMI 2.0b refer to the same thing – a high-bandwidth cable standard that’s capable of carrying an increased data load, thereby enabling smoother playback of 4K content at 48 frames per seconds with higher color depth than previous versions at 24 frames per seconds with the same color depth as earlier versions. HDMI 2B is mainly used for transmitting 4K texture compression formats like HEVC/H.265 since it features bandwidth up to 18 Gbit/s using 8 lanes, but can also send 3DTV in full resolution (4096×2160) and refresh rates from 60Hz to 120Hz (vs 48Hz for 1080p).
2.0b implements 48 Gbit/s data rate and is usually found on 4K televisions
HDMI 2.0 is the latest specification of HDMI cable for the transmission of uncompressed, high-definition video and multi-channel audio with a bandwidth capacity up to 18 Gbit/s or 60 gigabytes per second (5160p color). It can support resolutions up to 10K with frame rates as high as 120fps. HDMI 2.0 Specification was released in September 2013 after several years development by industry consortium, although individual manufacturer had announced it beforehand, such as Sony with Sony 4k TV at CES 2012 or Philips at IFA 2011)
The all the of the differences are related to bandwidth and data transmission.
HDMI 2.0 offers up to 18 Gbit/s of data throughput. In other words, HDMI 2.0 is twice as fast as what HDMI 1.4 was offering (the previous standard). As a result, it can carry more of the media content at any given time: including 4K video with greater color depth, faster refresh rates (epson-24), and high-dynamic resolution (HDR).
HDMI v2.0b is an incremental update to the HDMI v2.0 specification, and offers no increased bandwidth compared to its predecessor, only improvements in licensing terms. The $200 question surrounds HDR video transmission over HDMI; the HDMI 2.0 b standard prohibits “link compression” which is what enables clean passage of high-bandwidth footage at 4K or higher resolutions through older versions of the protocol like HDMI 1.4 and below. Meaning that if you want to pass 4K/HDR content between two compliant devices, your cables need to be (and will likely always be) “High Speed”. Without going into too much technical detail on how this entails details about using single-link vs dual-link, etc., the gist is that you need a direct connection from one device to another, which limits flexibility and ease of use for many users. The fix to this problem is likely already in the works. HDMI Licensing has already specified v2.1, which will offer higher data bandwidth, so 4K/60 at 4:4:4 chroma subsampling with 8 bits per color channel support should be possible down the road. By adding HDR metadata to content, it’s possible for devices with lower bandwidth to display HDR video, but only on the assumption that they’ll have good tone-mapping algorithms. This is an area where quality displays will shine vs cheaper LCD panels. Cheaper TVs are already showing poorer color accuracy and less vibrancy compared to proper high-quality panels due to poor calibration.
The version that can carry bandwidth required for transmitting 4K video.
Home theatre connections are becoming more complex and you need to be careful which one you buy. HDMI 2.0 and HDMI 2.0 b offer higher bandwidth speeds at 18gbps and 5gbps, respectively. Now this might not sound like a lot but it’s a significant increase over the previous, lower stream of 10gbps or below in versions 1-xvii old of the standard (in terms of throughput). With this increased speed will come more content types including 4K resolution video with high dynamic range color representation — HDR10 and Dolby vision versions — by standardized graphics formats such as HEVC -Hollywood’s answer to High Efficiency Video Coding, VP9 and AV1 .
HDMI 2.0 is an advanced technology that allows more detailed images at refresh rates to the tune of 60 frames per second. It’s much easier for cable networks and TV stations to transmit HDMI 2.0 enabled signals because it has a low power requirement and has high bandwidth capabilities with 10 Gigabits per second of transfer speed . These features make HDMI 2.0 interface ideal for broadcasters who want stability in their network systems as video quality increases, without compromising on cost or energy consumption.
HDMI 2.0 b is a new format that supports up to 32 channel sound, increased color space, scalability, robustness, and 3D formats up from 480i/576i analog based full HD format currently found in homes. HDMI 2.0 b is current version and backward compatible with all existing HDMI devices.
HDMI 2.0 vs HDMI 2.0b: The Bottom Line
HDMI cable technology has evolved beyond just transferring video signals from the source device to the display unit in your living room, but rather it is now an interface that can deliver multi-channel audio signals from the source to control multiple speakers in a surround sound system, and it is even an interface that can transmit Ethernet signals. HDMI cables have been used for live streaming of events such as sports contests or talks by politicians etc.
With this new feature set being offered in HDMI 2.0 b, consumers will be able move away from the basic HD to much more detailed audio and video quality options, which will mean an easy upgrade to customers.
The differentiating factor between HDMI 2.0 and HDMI 2.0 b is that the former is a much more advanced technology that can transfer data signals at clock rates of up to 600 Mbps (Megabits per second), whereas the latter is compatible with the latest standards being set out for USB v3.1, Ethernet and OTG.
HDMI 2.0 supports more bandwidth and higher resolution, which means that it supports 8k audio and video formats.
The HDMI 2.0 port is backward compatible with earlier versions, including 1.4 and 1.3a; the HDMI 2.0b port isn’t backward compatible and requires a new monitor to support it because of its higher bandwidth requirement.
HDMI video transmission supports up to 1080p resolution for Full HDTV in color (1920 x 1080 – 1920 x 1088) or up to 1920p resolution for UHD/2K in color (3840 x 2160 – 3840×2400)** over both single-mode and multi-mode cables jackets without performance degradation or distortion of the video signal where supported by other connected devices such as digital audio player, Blu-ray DiscTM player, DVD player