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Repair Windows errors before they cause bigger problemsFix Now →Scan for outdated or missing drivers - takes under a minuteDriver Scan →Samsung announced its SF2Z 2nm process in June 2024, with mass production then scheduled for 2027. The variant is designed to add backside power delivery (BSPDN), which Samsung says should reduce power-delivery bottlenecks and improve performance, power and area (PPA) compared with SF2. The announcement gave no measured SF2Z results, and the cited announcements do not establish whether SF2Z has since entered production.
What is Samsung’s 2nm roadmap?
Samsung’s roadmap has two distinct announcements, and their dates matter: they describe plans at the time, not confirmation that later milestones occurred.
- June 2023: Samsung said it planned to begin SF2 mass production for mobile applications in 2025, expand SF2 to high-performance computing (HPC) in 2026, and automotive in 2027. The same announcement reported SF2 gains over SF3 of 12% in performance, 25% in power efficiency and 5% in area. These are Samsung’s SF2-versus-SF3 figures, not SF2Z results. Samsung’s June 2023 announcement.
- June 2024: At its U.S. Foundry Forum, Samsung announced SF2Z, a 2nm variant with optimized BSPDN, and said mass production was scheduled for 2027. The release also put SF1.4 on a 2027 target and said its performance and yield targets were on track at that time. Those statements describe the company’s roadmap in June 2024; they do not verify subsequent production or target achievement. Samsung’s June 2024 announcement.
What is backside power delivery?
In conventional frontside power delivery, power and signal connections share space on the front side of the wafer. Samsung describes BSPDN as moving power rails to the wafer’s backside. The aim is to ease bottlenecks between power and signal lines, giving each more room and improving power delivery.
Samsung said SF2Z’s BSPDN should improve PPA relative to SF2 and significantly reduce voltage drop, also called IR drop. Lower IR drop can help HPC designs maintain performance when they need substantial power. These are the benefits Samsung claimed for SF2Z; the announcement did not publish numerical measurements for PPA improvement or voltage-drop reduction.
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How does SF2Z compare with SF2?
| Feature | SF2 | SF2Z |
|---|---|---|
| Backside power delivery | Not identified as part of SF2 in the cited 2023 roadmap announcement. | Samsung announced optimized BSPDN as part of the process in June 2024. |
| Announced applications | Mobile in 2025, HPC expansion in 2026 and automotive in 2027, according to Samsung’s June 2023 plan. | Samsung highlighted HPC design benefits in its June 2024 announcement; it did not provide an application schedule comparable to SF2’s. |
| Announced production timing | Samsung’s June 2023 plan scheduled mobile mass production for 2025; it did not specify a separate mass-production date for each later application in the cited statement. | Samsung’s June 2024 plan scheduled mass production for 2027. |
| Published performance evidence | Samsung reported 12% higher performance, 25% greater power efficiency and 5% lower area versus SF3 in June 2023. | The June 2024 release claimed intended PPA and IR-drop benefits over SF2, but did not provide measured figures. |
The figures for SF2 and SF3 cannot be used to calculate SF2Z’s advantage. The cited announcements do not provide an apples-to-apples measured comparison between SF2Z and SF2, nor do they show that SF2Z is universally better for every design. Process suitability depends on the design and its requirements, and the available figures are not enough to rank the variants quantitatively.
Independent reader supportYour contribution helps us test, update, and keep practical guides available for everyone.Has SF2Z entered production?
The cited official announcements establish Samsung’s plans and claims in 2023 and 2024, including the 2027 mass-production target announced for SF2Z. They do not confirm that SF2Z later entered production, report its yields or identify customer designs. They also provide no measured SF2Z-versus-SF2 performance results. The production status therefore remains unverified by these announcements.
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