Realtek Semiconductor vs Semtech

Both are primarily Networking Silicon companies. Semtech is larger by market cap ($17.5B vs $12.0B). Realtek Semiconductor reports higher tracked revenue ($3.9B vs $1.0B).

See all 106 Design (Fabless) companies →

Track the chain

What moved in the semiconductor supply chain — This Week in the Chain, the free weekly wafergraph briefing.

Subscribe to the free weekly briefing →

Free · no login · 615 companies, updated weekly

Side-by-side

Realtek SemiconductorSemtech
Market cap$12.0B$17.5B
Revenue$3.9B (FY2025)$1.0B (FY2026)
Primary segmentNetworking SiliconNetworking Silicon
Market positionmajormajor
CountryTaiwanUnited States
Tracked suppliers32
Tracked customers01
Chokepoint / criticality0/1008/100

Market caps/revenue from the wafergraph dataset · data as of 2026-10-09. Criticality is a graph-derived chokepoint score (0–100). Coverage is partial; "Unpriced" means no reliable market cap.

How Realtek Semiconductor and Semtech compare

  • Size: Semtech is the larger company by market cap.
  • Revenue: Realtek Semiconductor reports higher tracked revenue.
  • Supply-chain criticality: Semtech has the higher chokepoint score (8/100 vs 0/100).
  • Footprint: Realtek Semiconductor (Taiwan) vs Semtech (United States).

Company hubs

Realtek Semiconductor · Semtech · Design (Fabless) segment

Open the interactive comparison tool →

Cite as: wafergraph, “Realtek Semiconductor vs Semtech”, https://wafergraph.com/compare/realtek-vs-semtech (data as of 2026-10-09).

Frequently asked questions3
Is Realtek Semiconductor bigger than Semtech?
Semtech is larger by market cap ($17.5B vs $12.0B).
What's the difference between Realtek Semiconductor and Semtech?
Realtek Semiconductor is a major in Networking Silicon based in Taiwan; Semtech is a major in Networking Silicon based in United States. Both operate in the Design (Fabless) segment.
Who are Realtek Semiconductor's and Semtech's suppliers?
wafergraph tracks 3 suppliers for Realtek Semiconductor and 2 for Semtech — Realtek Semiconductor's include United Microelectronics (UMC).