What is the difference between DP1.2 and DP1.4?
The differences between DP 1.2 and DP 1.4 can be summarized as follows:
Bandwidth:
DP 1.2 offers a maximum bandwidth of 21.6 Gbps, which is sufficient for handling various multimedia tasks but may become limiting for high-resolution and high-refresh-rate displays.
DP 1.4, on the other hand, boasts a significantly higher maximum bandwidth of 32.4 Gbps. This increased bandwidth allows DP 1.4 to support higher resolutions, refresh rates, and more data-intensive applications with ease.
Resolution Support:
DP 1.2 is capable of supporting up to 4K resolution (4096x2160) at 60Hz, with a maximum single display resolution of 2560x1600.
DP 1.4 significantly enhances this capability, supporting up to 8K resolution (7680x4320) at 60Hz, and even higher refresh rates (up to 120Hz) for 4K displays. This makes DP 1.4 ideal for high-definition content and demanding visual applications.
Multi-Stream Transport (MST) and Display Stream Compression (DSC):
Both DP 1.2 and DP 1.4 support MST and DSC, enabling the connection of multiple displays and the efficient transmission of high-resolution content.
However, DP 1.4 upgrades the MST capability, allowing for the connection of up to 3 4K displays simultaneously, compared to DP 1.2's limit of 2 1080p displays.
Adaptive Sync Technology:
DP 1.4 introduces Adaptive Sync technology, which eliminates screen tearing and stuttering during gameplay and video playback by dynamically adjusting the display's refresh rate to match the frame rate of the content being displayed. This feature is not present in DP 1.2.
Additional Features:
DP 1.4 also includes advanced features such as 10-bit image transmission and HDR (High Dynamic Range) support, providing more vibrant and realistic colors and improved contrast.
DP 1.4's higher bandwidth also enables it to support higher frame rates at lower resolutions, such as 240Hz at 1080P, though this comes at the expense of resolution.
Price:
Due to its advanced capabilities and higher specifications, DP 1.4 cables and compatible devices tend to be more expensive than those supporting DP 1.2.
In summary, DP 1.4 represents a significant upgrade over DP 1.2, offering increased bandwidth, higher resolution support, improved multi-display capabilities, and advanced features like Adaptive Sync and HDR. These enhancements make DP 1.4 the preferred choice for users seeking the best possible display performance, particularly in high-end gaming, professional graphics work, and other demanding applications.
DP1.2,DP1.4
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