Aehr Test Systems vs Taiwan Semiconductor Mfg. Co. Ltd. — how do they compare? Aehr Test Systems trades at $130.42 (market cap $3.82B), while Taiwan Semiconductor Mfg. Co. Ltd. trades at $430.03 (market cap $1.93T). The key difference: Taiwan Semiconductor Mfg. Co. Ltd. is far larger — about 505.2× Aehr Test Systems's market cap, and Taiwan Semiconductor Mfg. Co. Ltd. pays a 0.9% dividend while Aehr Test Systems pays none. Which is the better fit depends on your goals.
| AEHR | TSM | |
|---|---|---|
Market Cap | $3.82B | $1.93T |
Sector | Technology | Technology |
52-Week High | $117.18 | $477.57 |
52-Week Low | $17.38 | $227.33 |
Enterprise Value | $3.72B | $1.85T |
Dividend Yield | — | 0.9% |
Signals from Pluang's Aura AI — not financial advice
AEHR Test Systems stock trades at $129.70, up 22.13% in the past 24 hours, with a bullish technical signal from moving averages and strong momentum. Recent earnings beats and a $22 million AI processor order (Accesswire, August 12, 2026) highlight growth potential, though negative net income margins and high P/S of 71.87 reflect valuation concerns amid rapid revenue expansion.
Outlook is mixed: strong AI-driven demand and record bookings support upside, but profitability challenges, insider selling, and customer concentration pose risks. Analyst consensus is cautious with 33% buy ratings, indicating tempered optimism despite technical strength.
TSM trades at $418.47, down 0.37% on the day, with a bullish technical signal from moving averages. The stock has consistently beaten earnings estimates, with Q2 2026 EPS of $4.31 surpassing the $3.87 forecast. Revenue growth is robust, with July 2026 sales up 44.7% year-over-year, driven by strong AI demand. Valuation ratios are elevated, with a P/E of 31.86 and P/S of 15.91, reflecting high growth expectations. Analysts maintain a strong buy consensus with a $545.67 price target.
The outlook for TSM is positive, supported by accelerating revenue growth, expanding profit margins, and strategic investments in AI and joint ventures. Key risks include high valuation multiples, competitive pressures, and geopolitical factors. The stock offers significant upside to the consensus target, but investors should monitor execution on capacity expansion and demand sustainability.
Trailing returns across standard periods
Latest headlines on both assets
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 →Taiwan Semiconductor Manufacturing Company, or TSMC, is the world's largest dedicated chip foundry, with over 57% market share in 2021 per Gartner. TSMC was founded in 1987 as a joint venture of Philips, the government of Taiwan, and private investors. It went public as an ADR in the U.S. in 1997. TSMC's scale and high-quality technology allow the firm to generate solid operating margins, even in the highly competitive foundry business. Furthermore, the shift to the fabless business model has created tailwinds for TSMC. The foundry leader has an illustrious customer base, including Apple, AMD and Nvidia, that looks to apply cutting-edge process technologies to its semiconductor designs.
Read more on TSM →