What's the difference between Greatek Electronics and Tongfu Microelectronics?

Greatek Electronics is a niche in Outsourced Assembly & Test based in Taiwan; Tongfu Microelectronics is a major in Outsourced Assembly & Test based in China. Both operate in the OSAT segment.

Who are Greatek Electronics's and Tongfu Microelectronics's suppliers?

wafergraph tracks 0 suppliers for Greatek Electronics and 8 for Tongfu Microelectronics.

Greatek Electronics vs Tongfu Microelectronics

Both are primarily Outsourced Assembly & Test companies. Tongfu Microelectronics is larger by market cap ($13.3B vs $2.2B). Tongfu Microelectronics reports higher tracked revenue ($4.2B vs $502M).

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Side-by-side

	Greatek Electronics	Tongfu Microelectronics
Market cap	$2.2B	$13.3B
Revenue	$502M (FY2022)	$4.2B (FY2025)
Primary segment	Outsourced Assembly & Test	Outsourced Assembly & Test
Market position	niche	major
Country	Taiwan	China
Tracked suppliers	0	8
Tracked customers	6	6
Chokepoint / criticality	50/100	68/100

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 Greatek Electronics and Tongfu Microelectronics compare

Size: Tongfu Microelectronics is the larger company by market cap.
Revenue: Tongfu Microelectronics reports higher tracked revenue.
Supply-chain criticality: Tongfu Microelectronics has the higher chokepoint score (68/100 vs 50/100).
Footprint: Greatek Electronics (Taiwan) vs Tongfu Microelectronics (China).

Company hubs

Greatek Electronics · Tongfu Microelectronics · OSAT segment

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Cite as: wafergraph, “Greatek Electronics vs Tongfu Microelectronics”, https://wafergraph.com/compare/greatek-vs-tongfu (data as of 2026-10-09).

Frequently asked questions3

Is Greatek Electronics bigger than Tongfu Microelectronics?: Tongfu Microelectronics is larger by market cap ($13.3B vs $2.2B).
What's the difference between Greatek Electronics and Tongfu Microelectronics?: Greatek Electronics is a niche in Outsourced Assembly & Test based in Taiwan; Tongfu Microelectronics is a major in Outsourced Assembly & Test based in China. Both operate in the OSAT segment.
Who are Greatek Electronics's and Tongfu Microelectronics's suppliers?: wafergraph tracks 0 suppliers for Greatek Electronics and 8 for Tongfu Microelectronics.