When connecting a multimedia device—such as a TV, computer, car infotainment system, or embedded hardware—you might be familiar with the acronym HDMI and the newly launched tech word GPMI. But what is a GPMI Cable? What is the comparison to HDMI that you may be more familiar with? In this blog, we will discuss the basics of GPMI-Cables, where you might be able to use them and compare them to HDMI, in terms of appearance, price, availability, and use.
Table of Contents
What is GPMI Cable?
The General Purpose Media Interface (GPMI) cable was designed and developed by China, specifically by the Shenzhen 8K Ultra High Definition Video Industry Cooperation Alliance. This alliance, comprising leading tech companies like Huawei, Skyworth, and Hisense, aimed to create a unified multimedia connectivity standard capable of transmitting 8K UHD resolution and beyond.
GPMI custom or semi-proprietary interface designed to handle audio, video, and control signals in embedded and specialized hardware environments.
Key Features of GPMI
- 8K UHD Support: GPMI prioritizes 8K video resolution, delivering lifelike visuals with stunning clarity.
- High Bandwidth: Designed for massive data throughput, allowing for uncompressed audio and video streams.
- Reduced Latency: Ensures minimal delay, making it ideal for gaming and real-time applications.
- Scalability: Supports backward compatibility with older interfaces and adaptability to future advancements.
GPMI vs HDMI: A Comparative Analysis
| Feature | GPMI | HDMI |
| Full Form | General Purpose Media Interface | High-Definition Multimedia Interface |
| Use Case | Embedded systems, automotive, custom SoCs | Consumer electronics, TVs, monitors, gaming |
| Availability | Limited, OEM-specific | Widely available in stores and online |
| Standardization | No | Yes (globally standardized) |
| Connector Type | Custom pin headers, FFCs, or ribbons | Type A, C, and D (standard HDMI connectors) |
| Ease of Use | Requires development knowledge | Plug-and-play for end users |
| Video & Audio Support | Yes, via custom protocols | Yes, uncompressed audio/video up to 8K |
| Data Encryption | Rare | Supported (HDCP) |
| Power Efficiency | High (optimized for embedded use) | Moderate |
| Price | Variable; high for low volume | Affordable and widely accessible |
GPMI Ports
GPMI Type C
- Design: Similar to the widely used USB-C connector.
- Bandwidth: Supports up to 96 Gbps.
- Power Delivery: Capable of delivering up to 240W.
- Applications: Ideal for consumer electronics like UHD TVs, monitors, and laptops.
GPMI Type B
- Design: A larger, proprietary connector for more demanding applications.
- Bandwidth: Offers up to 192 Gbps, double that of Type-C.
- Power Delivery: Provides up to 480W, sufficient for high-performance devices like gaming laptops or large 8K displays.
- Applications: Suited for professional setups requiring high data throughput and power.
Creator of GPMI: The Shenzhen 8K Ultra High Definition Video Industry Cooperation Alliance (SUCA)
The General Purpose Media Interface (GPMI) and the Shenzhen 8K Ultra High Definition Video Industry Cooperation Alliance (SUCA) are part of China’s ambitious drive to lead in ultra-high-definition (UHD) video technology and multimedia connectivity.
SUCA: A Chinese Innovation Hub
Based in Shenzhen, China, SUCA comprises over 100 members, including major Chinese companies like Huawei, Tencent, Skyworth, and TCL. Its significant contributions include:
- Technological Leadership: Developing industry standards like GPMI to meet the needs of 8K UHD content.
- Collaborative Ecosystem: Bringing together Chinese enterprises and research institutions to innovate in UHD technology.
- Global Impact: Leading China’s efforts to set benchmarks for quality, scalability, and efficiency in multimedia interfaces.
Together, China’s GPMI and SUCA are shaping the future of multimedia connectivity, positioning the country as a global leader in ultra-high-definition video technology.
Frequently Asked Questions ( FAQs)
What is GPMI?
GPMI, or General Purpose Media Interface, is a multimedia standard developed in China to enable seamless 8K UHD video transmission with low latency and high bandwidth.
How does GPMI differ from HDMI?
GPMI focuses exclusively on 8K UHD connectivity, offering higher bandwidth and lower latency than HDMI, which is versatile but widely adopted globally.
What is SUCA?
The Shenzhen 8K UHD Video Industry Cooperation Alliance (SUCA) is a Chinese organization uniting over 100 companies to advance 8K UHD technologies, including GPMI.
Why is GPMI considered future proof?
GPMI supports 8K and higher resolutions, adapts to emerging technologies, and includes scalable port types like Type-C and Type-B.
How is China influencing UHD technology through SUCA?
China, via SUCA, leads global UHD advancements by innovating with standards like GPMI and fostering collaboration among top companies and institutions.