Realtek Semiconductor

Realtek Semiconductor is a major in the Design (Fabless) segment of the semiconductor & AI supply chain, headquartered in Hsinchu, TW. Its key suppliers include United Microelectronics (UMC), TSMC, ASE Technology.

High-volume connectivity, audio codec and Ethernet chip designer.

Ticker
TWSE: 2379
Headquarters
Hsinchu, TW
Revenue
$3.9B (FY2025) · +8.2% YoY
Net income
$466M
Operating margin
9.9%
Market position
major
Value-chain segment
Networking Silicon
Key products
Ethernet PHYs, audio codecs, WiFi

About Realtek Semiconductor

Realtek Semiconductor, headquartered in Taiwan, operates in the Networking Silicon segment of the semiconductor & AI supply chain and is positioned as a market major there. Its key products include Ethernet PHYs, audio codecs, WiFi. wafergraph maps 3 tracked suppliers for Realtek Semiconductor across the value chain.

Role in the chain

Realtek Semiconductor is a market major in Design (Fabless) (Networking Silicon), headquartered in Taiwan. High-volume connectivity, audio codec and Ethernet chip designer.

Diligence questions

  1. The dataset records 3 tracked suppliers for Realtek Semiconductor. Which of those edges are researched (named in a filing or primary source) versus segment-inferred, and what happens if one of them stops shipping?
  2. 2 of Realtek Semiconductor's tracked suppliers are a monopoly or leader (including ASE Technology, TSMC). Which of those are actually single-source for the process step you care about?
  3. Realtek Semiconductor is headquartered in Taiwan. What jurisdiction, export-control or logistics risk sits at that HQ, versus at the fabs or plants the filings actually name?
  4. Realtek Semiconductor trades as TWSE:2379. What does the latest reported period say about capacity and backlog versus the graph position above?
  5. Before treating any edge as a verified relationship, check the provenance labels on the company page and the method note at /methodology.

Full diligence pack for Realtek Semiconductor

Key products

  • Ethernet PHYs
  • audio codecs
  • WiFi

Suppliers

More Design (Fabless) companies

Compare with

NVIDIA · Broadcom · Marvell Technology · Qualcomm · Astera Labs · Montage Technology

Sources

Open the interactive supply-chain view →

Cite as: wafergraph, “Realtek Semiconductor — supply chain, financials & market position”, https://wafergraph.com/company/realtek (data as of 2026-09-05).

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