SiTime Corporation vs United Microelectronics Corp — how do they compare? SiTime Corporation trades at $689.5 (market cap $20.05B), while United Microelectronics Corp trades at $19.85 (market cap $47.81B). The key difference: United Microelectronics Corp is far larger — about 2.4× SiTime Corporation's market cap, and United Microelectronics Corp pays a 2.12% dividend while SiTime Corporation pays none. Which is the better fit depends on your goals.
| SITM | UMC | |
|---|---|---|
Market Cap | $20.05B | $47.81B |
Sector | Technology | Technology |
52-Week High | $901.60 | $28.02 |
52-Week Low | $212.77 | $6.58 |
Enterprise Value | $19.45B | $44.93B |
Dividend Yield | — | 2.12% |
Signals from Pluang's Aura AI — not financial advice
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UMC trades at $18.79, up 0.37% today, with a bearish technical signal. Recent earnings beats and strong July 2026 sales growth of 18.98% year-over-year highlight operational momentum. The company is expanding capacity in Singapore and Taiwan to meet AI-driven demand, supported by a robust balance sheet with $115.24 billion in cash. However, net income margin has declined from 32.1% in 2022 to 16.99% in 2025, posing a concern.
The outlook is mixed; expansion initiatives and AI tailwinds offer growth potential, but margin compression and a bearish technical stance present risks. Analyst consensus is cautious with 53.33% hold ratings. Key catalysts include Q3 2026 earnings and fab expansion progress, while competitive pressures and macroeconomic volatility remain headwinds.
Trailing returns across standard periods
SiTime Corporation is a leading provider of MEMS-based silicon timing solutions used in various electronic applications. The company’s products, including oscillators, resonators, and clock ICs, are designed to replace traditional quartz-based timing devices, offering superior performance, reliability, and smaller size in harsh environments. SiTime's solutions are adopted across high-growth markets such as 5G, data centers, industrial IoT, and automotive, positioning the company as a key enabler for next-generation electronic systems.
Read more on SITM →Founded in 1980, United Microelectronics is the world's third-largest dedicated chip foundry, with 7% market share in 2021, according to Gartner, after TSMC and GlobalFoundries. UMC's headquarters are in Hsinchu, Taiwan, and it operates 12 fabs in Taiwan, Mainland China, Japan and Singapore, with additional sales offices in Europe, the U.S. and South Korea. UMC features a diverse customer base including Texas Instruments, MediaTek, Qualcomm, Broadcom, Xilinx and Realtek, supplying a wide range of products applied in communications, display, memory, automotive and more. UMC employs about 20,000 people.
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