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Compare Aehr Test Systems (AEHR) vs United Microelectronics Corp (UMC) Price & Performance

Aehr Test SystemsTrade
United Microelectronics CorpTrade

Price performance (Past 24H)

Key statistics

Aehr Test Systems vs United Microelectronics Corp — how do they compare? Aehr Test Systems trades at $129.19 (market cap $3.82B), while United Microelectronics Corp trades at $19.39 (market cap $47.81B). The key difference: United Microelectronics Corp is far larger — about 12.5× Aehr Test Systems's market cap, and United Microelectronics Corp pays a 2.12% dividend while Aehr Test Systems pays none. Which is the better fit depends on your goals.

AEHRUMC
Market Cap
$3.82B$47.81B
Sector
TechnologyTechnology
52-Week High
$117.18$28.02
52-Week Low
$17.38$6.58
Enterprise Value
$3.72B$44.93B
Dividend Yield
2.12%

Aura AI Summary

Signals from Pluang's Aura AI — not financial advice

Aehr Test Systems

AEHR Test Systems (AEHR) surged 25.02% to $132.77, driven by strong earnings beats and a $22 million follow-on order for AI processor wafer-level burn-in systems (Accesswire, August 12, 2026). The stock exhibits bullish technical signals with support at $112 and resistance at $129, though RSI suggests overbought conditions. Revenue reached $58.97 million in 2025, but net income remained negative at -$3.91 million, reflecting high growth investments.

Outlook is optimistic due to AI and silicon photonics demand, with FY27 revenue growth projected at 160–200% (Seeking Alpha, July 18, 2026). Risks include customer concentration and negative cash flow. Analysts are mixed (33% buy, 67% hold), highlighting valuation concerns at a P/S of 71.87. Upside potential exists if execution aligns with backlog growth.

United Microelectronics Corp

UMC trades at $19.50, up 3.78% today, with neutral technical signals and strong fundamental performance. The company has consistently beaten earnings estimates in recent quarters, with Q2 2026 EPS of $0.54 significantly exceeding the $0.16 expectation. Recent announcements include fab expansions in Singapore and Taiwan to meet AI-driven demand, supported by growing silicon photonics production. Valuation metrics show a P/E of 18.55 and P/S of 6.02, with robust profitability margins including 32.75% net income margin.

Outlook remains positive with projected revenue growth to $250.7B in 2026 and net income rebound to $82.1B. Key risks include semiconductor cycle volatility and execution challenges from capacity expansion. Analyst consensus shows mixed sentiment with 26.7% buy ratings versus 20% sell recommendations, suggesting cautious optimism amid expansion initiatives.

Returns comparison

Trailing returns across standard periods

Top news

Latest headlines on both assets

About Aehr Test Systems

Aehr Test Systems provides testing and burn-in solutions for the semiconductor industry. Its systems ensure the reliability of AI processors, data center chips, and electric vehicle components at the wafer and package levels.

Read more on AEHR

About United Microelectronics Corp

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