The horizon of international tech trade is witnessing storm clouds as the US contemplates capping exports of advanced AI chips, targeting key players like Nvidia and AMD. In an increasingly interconnected world where technology reigns supreme, such a strategic move carries profound implications for global supply chains, technological evolution, and geopolitical dynamics.

Advanced AI technologies form the backbone of modern economies, bridging the worlds of national security and economic growth. Semiconductors, especially AI-specific chips, hold the key to innovations in autonomous driving, healthcare, precision manufacturing, and beyond. These chips empower the latest tech marvels, transforming abstract innovation into tangible progress. At the forefront of this semiconductor race, AMD and Nvidia have relentlessly pushed boundaries, leveraging their state-of-the-art technologies to bolster global tech dominance.

However, the Biden administration's potential export restrictions change the playing field significantly. By limiting sales to certain global markets, the US aims to maintain its technological edge. Implicit in this strategy is the ambition to safeguard critical intellectual property and bolster security measures against emerging threats. Yet, as much as these considerations are valid, the unintended ripples could reshape both industry strategies and global tech leadership.

The selling of chips to Asian markets like India, Singapore, and Malaysia provides crucial business for companies like AMD, where exponential growth is apparent. These regions not only furnish expanding markets eager to infuse AI into their systems, but also emerge as vital partners in an industry leaning on interconnected global collaboration. Nevertheless, export limitations could throttle AMD's growth strategies in these burgeoning tech hubs, disrupting both economic relationships and the flow of innovation.

Similarly, Nvidia, AMD's primary competitor, confronts this challenge head-on. Strategic positioning amidst regulatory ambiguity mandates ingenuity and resilience. Both companies face heightened competitive tension, driving them to not only innovate at previously unattainable speeds but also consider forming new alliances to circumvent barriers while ensuring sustained market presence.

Proactive measures are already underway. AMD's collaboration with Intel to support the x86 architecture hints at a strategic pivot, fortifying against the rising dominance of ARM chips. This coalition, supported by tech giants like Lenovo, Microsoft, Google, and Meta, aims to broaden its scope and dilute dependency on singular technological platforms, thereby softening the blow from any potential export constraints.

The global import of US tech remains undebated, chiefly in Asian theaters that AMD and Nvidia view as pivotal to their international strategies. If crucial hardware becomes inaccessible under new export conditions, nations may be compelled to either cultivate domestic tech capabilities or source from other suppliers like China, potentially altering the technological map.

Balancing technology innovation, global sales ambitions, and national security presents a complex picture. While import restrictions could defend US interests by protecting key sectors and intellectual properties, they could also unintentionally seed self-contained tech ecosystems abroad or suppress tech integration in areas with exponential growth capacity.

For AMD and Nvidia, adapting is less about lobbying than strategically transitioning their investments to regions with lenient regulatory landscapes. Both have heightened their manufacturing and research initiatives across Asia, focusing efforts on market segments sensitive to geopolitical wind shifts.

In an industry where stakeholders are ever-cautious, the potential regulatory interventions create tremors likely to cascade through the semiconductor sector. Realigning strategies may result in new business models, further underlining the necessity for supply chain diversification resilient to geopolitical upheavals.

At the core, Nvidia and AMD's navigation through these diplomatically convoluted waters could serve as a benchmark for the broader tech industry. Their decisions will reflect a balance between national security and competitiveness, reshaping market positions and influencing the future of innovation and collaboration on a global scale.

As these giants adjust to the evolving landscape characterized by governmental scrutiny and international demands, their ability to reconcile these pressures will not only define their destiny but also set the groundwork for the global technology industry's growth trajectory, ensuring its vitality in an ever-evolving domain.