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Advanced packaging emerges as critical solution for reticle limits and yield in high-performance computing
Tuesday, January 6, 2026 at 12:42 AM
Advanced packaging has become a necessity for high-performance computing due to reticle limits and yield issues. Notable implementations include Nvidia's Blackwell B200, which utilizes two dies fused together, and AMD's use of chiplet architecture in Ryzen and EPYC CPUs to decouple cores and I/O. Furthermore, manufacturers in China are utilizing multi-die stitching to compensate for a lack of EUV equipment for nodes below 7nm.
Context
Advanced packaging has shifted from a performance enhancer to a physical necessity as the industry reaches the 858mm² reticle limit. Because manufacturing monolithic dies larger than this limit is impossible and smaller die yields are significantly higher, leaders are moving toward multi-die architectures. Nvidia utilized this for its Blackwell B200 GPU, fusing two dies to deliver 20 petaflops of power. This strategy allows the industry to bypass the limitations of traditional lithography while managing the exponential costs and yield risks of scaling below the 3nm node.
The adoption of chiplets has already redefined the competitive landscape, most notably allowing AMD to seize significant server market share from Intel via its EPYC lines. As Intel aggressively rolls out its Foveros 3D packaging and TSMC doubles its CoWoS capacity through 2025, the backend of the supply chain is becoming the primary driver of computing gains. With the advanced packaging market expected to exceed $70 billion by 2030, the investment focus is moving from pure transistor scaling to the high-speed interconnects that define the post-Moore’s Law era.
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