Silicon Motion Technology Corporation American Depositary Shares vs United Microelectronics Corp — how do they compare? Silicon Motion Technology Corporation American Depositary Shares trades at $221 (market cap $8.36B), while United Microelectronics Corp trades at $20.52 (market cap $55.52B). The key difference: United Microelectronics Corp is far larger — about 6.6× Silicon Motion Technology Corporation American Depositary Shares's market cap, and United Microelectronics Corp pays the higher dividend (1.79%). Which is the better fit depends on your goals — on Pluang, investors hold Silicon Motion Technology Corporation American Depositary Shares for 0 Days and United Microelectronics Corp for 42 Days on average.
| SIMO | UMC | |
|---|---|---|
Market Cap | $8.36B | $55.52B |
Volume | 663,682 | 8,712,351 |
Sector | Technology | Technology |
52-Week High | $336.90 | $28.02 |
52-Week Low | $80.16 | $7.02 |
Typical Hold Time | 0 Days | 42 Days |
Enterprise Value | $8.35B | $52.61B |
Dividend Yield | 0.81% | 1.79% |
Signals from Pluang's Aura AI — not financial advice
Silicon Motion (SIMO) trades at $246.63, down 0.13% on the day, with technical indicators showing neutral signals. The company demonstrates strong fundamentals with Q2 2026 EPS beating expectations at $2.43 versus $2.13, and revenue growth projected to reach $1.3B in 2026. Analyst sentiment remains overwhelmingly positive with 81% buy ratings and a consensus price target of $356.25, representing 44% upside potential from current levels.
The outlook for SIMO appears favorable given accelerating enterprise storage demand and AI infrastructure expansion. Key risks include semiconductor cycle volatility and competitive pressures in NAND controllers. With robust profitability metrics including 31.6% ROE and expanding margins, the stock offers growth exposure to the AI storage market, though investors should monitor execution on Q3 2026 earnings expectations of $3.3 EPS.
UMC trades at $21.40, down 5.1% in the past 24 hours, with mixed technical signals showing a bearish moving average trend but oversold RSI conditions. Fundamentally, the company demonstrates strong profitability with 32.75% net income margin and has beaten earnings estimates for three consecutive quarters, though revenue growth remains modest at 2.3% year-over-year for 2025.
The stock presents a mixed outlook with strong earnings performance and attractive valuation metrics offset by slowing revenue growth and competitive pressures. Analyst sentiment leans cautious with a 'Hold' consensus, while technical indicators suggest potential near-term support around current levels given oversold conditions.
Trailing returns across standard periods
What Pluang investors did over the last 30 days
Silicon Motion Technology Corporation designs and develops NAND flash controllers for solid-state storage, with flagship SSD, eMMC, and UFS controller products, including its Ferri-branded automotive and industrial storage solutions, used by OEMs and NAND flash makers worldwide.
Read more on SIMO →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.
Read more on UMC →