Process-node revenue mix shows how semiconductor foundry revenue is distributed across manufacturing process technologies.
A foundry might report, for example, the percentage of revenue generated by 22nm, 28nm, 7nm, or other process families.
Why process-node mix matters
Different nodes can have very different economics.
Node mix can affect:
- wafer pricing;
- capital intensity;
- equipment requirements;
- product complexity;
- competitive positioning;
- manufacturing yield; and
- customer demand.
UMC reported that its 22nm business represented 17.5% of second-quarter 2026 sales, illustrating how node-level revenue mix can become a meaningful operating indicator.
Smaller node numbers are not automatically better economics
Advanced nodes can command higher pricing and support leading-edge applications, but they can also require enormous capital spending and difficult production ramps.
Mature nodes can remain attractive when they serve durable automotive, industrial, analog, power, radio-frequency, or specialty applications.
The investor question is not simply "which company has the smallest node?" It is whether the company's node portfolio earns attractive returns given demand, pricing, utilization, yield, and capital requirements.
Revenue mix is not capacity mix
A foundry can have a certain percentage of capacity on one technology while earning a different percentage of revenue from it.
Revenue mix reflects both physical volume and the economics per wafer.
That is why process-node revenue mix should be read beside Wafer Average Selling Price, Wafer Manufacturing Capacity, and utilization.
Node labels are not perfectly comparable
Terms such as 7nm, 5nm, or 3nm are commercial process labels, not a universal measurement system that makes every foundry's technology directly equivalent.
Investors should avoid assuming that identically named nodes from different manufacturers have identical density, performance, power, cost, or yield characteristics.
Primary-source examples
Process-node revenue mix is most useful as a mix indicator, not as a stand-alone technology ranking.
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