SiTime Corporation vs United Microelectronics Corp — how do they compare? SiTime Corporation trades at $588 (market cap $18.03B), while United Microelectronics Corp trades at $22.32 (market cap $54.48B). The key difference: United Microelectronics Corp is far larger — about 3× SiTime Corporation's market cap, and United Microelectronics Corp pays a 1.84% dividend while SiTime Corporation pays none. Which is the better fit depends on your goals.
| SITM | UMC | |
|---|---|---|
Market Cap | $18.03B | $54.48B |
Sector | Technology | Technology |
52-Week High | $901.60 | $28.02 |
52-Week Low | $245.57 | $6.76 |
Enterprise Value | $17.43B | $51.52B |
Dividend Yield | — | 1.84% |
Signals from Pluang's Aura AI — not financial advice
SITM trades at $598.95, down 2.15% today, but maintains strong analyst support with 9 unanimous buy ratings and a $863.33 consensus price target representing 44% upside. The stock shows bullish technical signals despite recent weakness, with support at $584 and resistance at $627. Recent Q2 2026 earnings beat expectations with $2.34 EPS versus $1.95 expected, driven by 127% revenue growth and AI infrastructure demand.
The outlook remains positive with Q3 2026 guidance pointing to substantial growth following the Renesas acquisition. Key risks include high valuation multiples (P/E 999, P/S 34) and negative 2025 net income, though 2026 projections show profitability improvement. Institutional buying, including California State Teachers' 73,098.9% stake increase, supports the growth narrative.
UMC trades at $21.82, up 5.06% in 24 hours, with a bullish technical signal from moving averages but overbought RSI readings. The company reported strong Q2 2026 earnings, beating estimates with EPS of $0.54 versus $0.16 expected, and announced a $0.41 dividend payable in August 2026. Revenue trends show recovery, with 2026 projections at $250.7B and net income margin improving to 32.75%.
Outlook is positive due to earnings momentum and AI expansion plans, but risks include competitive pressures and volatility from AI spending concerns. Analyst consensus is mixed with 27% buy ratings, suggesting cautious optimism amid high valuation multiples like P/E of 20.96.
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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