DP Video HD Cable and HDMI 2.1 are two mainstream video transmission standards. They have significant differences in performance and application. Here's how they differ:
Data transfer speed and bandwidth:
DP 1.4: Supports a maximum bandwidth of up to 32.4 Gbps, which allows it to easily transmit high frame rate video at 4K resolution and even support 8K video output at 60Hz.
HDMI 2.1: Has a maximum bandwidth of 48 Gbps, slightly higher than DP 1.4. This makes its performance at 8K resolution even better, able to support refresh rates up to 120Hz, and even support higher resolution and frame rate requirements in the future.
Resolution and refresh rate support:
DP 1.4: Supports displays with up to 8K resolution (7680x4320 pixels), but is usually limited to a 60Hz refresh rate. For 4K resolution, it supports refresh rates up to 120Hz, which meets the needs of most users for high definition and smooth pictures.
HDMI 2.1: Compared with DP 1.4, HDMI 2.1 is more powerful in supporting 8K resolution and can output at a refresh rate of up to 120Hz. For 4K resolution, it can even support refresh rates up to 240Hz, which is suitable for users who pursue ultra-high-definition experience.
Functions and applications:
DP 1.4: As the mainstream connection standard between monitors and PCs, in addition to supporting video transmission, DP 1.4 can also transmit audio signals, support HDR (high dynamic range) and high color gamut display, and multi-monitor chaining (daisy chaining) function .
HDMI 2.1: Widely used in home entertainment systems, supporting higher audio quality and features, including eARC (Enhanced Audio Return Channel), support for Dynamic HDR (Dynamic HDR) and Automatic Low Latency Mode (ALLM), and more complex multi-channel audio transmission.
Device compatibility:
DP 1.4: Mainly used to connect professional and consumer-grade equipment such as monitors, PCs, and laptops. It has wide compatibility and is especially outstanding in the fields of high-resolution displays and games.
HDMI 2.1: It is more used in consumer electronics devices such as TVs, home theater systems and game consoles, and can provide better audio-visual experience and interconnection functions.
To sum up, DP 1.4 and HDMI 2.1 each have their own advantages in video transmission and audio functions, and the choice depends on your specific needs and device compatibility. Whether you're looking for a high-resolution display or a comprehensive home entertainment experience, you can choose the right DP Video HD Cable based on these criteria.
