A chip-packaging comparison shows DF2000 taking a more advanced stacking approach

teortaxesTex · x · 2026-07-27

• A reply highlights a comparison of bonding technologies, interconnect pitch, stack height, and overall die layout.
• It notes that DF1000 and DeepVerse bonding look very similar, while DF2000 appears more advanced because it places chipsets beneath the DRAM dies.
• The post also says A4E uses wafer-to-wafer (W2W) bonding rather than die-to-die (D2D), and that HBM does not stack on logic.
• The reaction is that the design choices are a good example of “necessity is the mother of invention.”

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