AEHR vs COHU Stock Comparison: AI Score, Valuation, Performance and Upside
Aehr Test Systems and Cohu both provide semiconductor test equipment, but Aehr Test Systems specializes narrowly in wafer-level burn-in technology for silicon carbide power chips tied to electric vehicle demand, while Cohu provides broader test handler equipment across many chip types and end markets.
AEHR offers concentrated exposure to silicon carbide and electric vehicle chip testing demand, while COHU offers diversified exposure across broader semiconductor test equipment markets. The decision depends on whether you want a focused EV-linked growth niche or diversified semiconductor test equipment exposure.
COHU holds the edge across 3 of 5 key metrics in this comparison. AEHR has delivered stronger 1-year price return (+118.69% vs +111.10%), though COHU has the better forward P/E setup (24.42x vs 68.45x for AEHR). COHU leads on both revenue growth (38.40%) and operating margin (0.62%), suggesting a stronger fundamental setup on both dimensions. Analyst consensus implies meaningfully more upside for COHU (+57.22%) than for AEHR (+35.18%).
Human Wall Street analysts' price targets, typically implying a ~12-month view — a separate signal from this site's own AI Prediction Signal further down the page, which is a 5-/30-day machine-learning forecast based on price history alone.
- Want concentrated exposure to silicon carbide power semiconductor test equipment demand
- Believe electric vehicle adoption will continue driving silicon carbide chip volume growth
- Are comfortable with significant customer concentration risk in a small company
- Accept higher volatility in exchange for exposure to a specialized growth niche
- Want diversified exposure across automotive, industrial, mobile, and computing semiconductor test markets
- Value a broad product portfolio addressing many different chip types and packaging formats
- Prefer a more established company with long-standing chipmaker relationships
- Are comfortable with cyclical semiconductor equipment demand tied to broader capital spending trends
| Metric | AEHR | COHU |
|---|---|---|
| AI scorei | 56.2 | 47.0 |
| AI ranki | #176 | #658 |
| Latest closei | $54.89 | $50.79 |
| 1M returni | -44.90% | -25.46% |
| 3M returni | -31.37% | +5.83% |
| 6M returni | -41.02% | +11.41% |
| 1Y returni | +118.69% | +111.10% |
How much would $10,000 be worth today if invested at the start of each period, with all dividends reinvested?
| Period | AEHR | COHU |
|---|---|---|
| 1Y ago | $21.87K (+118.7%) started 2025-10-30 | $21.11K (+111.1%) started 2025-10-30 |
| 5Y ago | $24.33K (+143.3%) started 2021-11-01 | $14.77K (+47.7%) started 2021-11-01 |
| 10Y ago | $159.1K (+1491.0%) started 2016-10-31 | $49.85K (+398.5%) started 2016-10-31 |
Hypothetical — past performance does not guarantee future results.
| Metric | AEHR | COHU |
|---|---|---|
| Market capi | $3.09B | $2.13B |
| Trailing P/Ei | N/A | N/A |
| Forward P/Ei | 68.45 | 24.42 |
| Price/Salesi | N/A | N/A |
| EV/Revenuei | 59.65 | 3.68 |
| Analyst targeti | $128.00 | $70.88 |
| Target upsidei | +35.18% | +57.22% |
| Metric | AEHR | COHU |
|---|---|---|
| Revenue growthi | 33.70% | 38.40% |
| Earnings growthi | N/A | N/A |
| EPS growthi | N/A | N/A |
| FCF margini | -3.91% | +12.69% |
| Operating margini | -6.40% | 0.62% |
| Profit margini | -14.25% | -7.43% |
| ROIC proxyi | -4.16% | -4.84% |
| Return on equityi | -4.16% | -4.84% |
| Dividend yieldi | N/A | N/A |
| Payout ratioi | 0.00% | 0.00% |
| Dividend growth streaki | N/A | No increase yet |
| Betai | 3.07 | 1.60 |
| Debt/equityi | 4.50 | 42.76 |
| Current ratioi | 10.33 | 5.74 |
| Quick ratioi | 7.60 | 4.52 |
Over the past year, AEHR and COHU have moved moderately in the same direction (correlation of 0.69), based on daily returns.
Lower drawdown and smaller single-period drops generally indicate a smoother ride, though they do not guarantee lower future risk.
| Period | Metric | AEHR | COHU |
|---|---|---|---|
| 1Y | Growthi | +118.69% | +111.10% |
| CAGRi | +118.80% | +111.21% | |
| Volatilityi | 124.19% | 71.20% | |
| Sharpe ratioi | 1.20 | 1.35 | |
| Sortino ratioi | 1.96 | 1.94 | |
| Max drawdowni | 62.30% | 46.77% | |
| Current drawdowni | 62.30% | 31.28% | |
| Avg drawdowni | 18.49% | 11.94% | |
| Ulcer Indexi | 24.53% | 16.80% | |
| Max daily dropi | 17.61% | 16.33% | |
| Max wkly dropi | 33.78% | 29.48% | |
| 5Y | Growthi | +143.31% | +47.69% |
| CAGRi | +19.49% | +8.12% | |
| Volatilityi | 101.66% | 51.55% | |
| Sharpe ratioi | 0.63 | 0.32 | |
| Sortino ratioi | 1.00 | 0.47 | |
| Max drawdowni | 87.37% | 69.46% | |
| Current drawdowni | 62.30% | 31.28% | |
| Avg drawdowni | 47.53% | 28.36% | |
| Ulcer Indexi | 54.42% | 33.06% | |
| Max daily dropi | 27.08% | 16.33% | |
| Max wkly dropi | 36.64% | 29.48% | |
| 10Y | Growthi | +1491.01% | +375.48% |
| CAGRi | +31.89% | +16.88% | |
| Volatilityi | 96.05% | 53.09% | |
| Sharpe ratioi | 0.70 | 0.48 | |
| Sortino ratioi | 1.18 | 0.69 | |
| Max drawdowni | 87.37% | 73.63% | |
| Current drawdowni | 62.30% | 31.28% | |
| Avg drawdowni | 49.59% | 30.95% | |
| Ulcer Indexi | 55.06% | 35.65% | |
| Max daily dropi | 27.08% | 25.53% | |
| Max wkly dropi | 43.32% | 38.77% |
| Category | AEHR | COHU |
|---|---|---|
| Company | Aehr Test Systems | Cohu, Inc. |
| Sector | Technology | Technology |
| Industry | Semiconductor Equipment & Materials | Semiconductor Equipment & Materials |
| Core business | A designer of semiconductor test and burn-in equipment, with a particular specialization in wafer-level test systems for silicon carbide power semiconductors used in electric vehicle and industrial power applications. | A semiconductor equipment company that designs test handlers, testers, and related equipment used across the broader semiconductor industry to test chips for automotive, industrial, mobile, and computing applications. |
| Investor focus | Silicon carbide chip demand growth tied to electric vehicle adoption, customer concentration among a small number of power semiconductor manufacturers, and diversification into test applications beyond silicon carbide. | Broad-based semiconductor test equipment demand recovery across automotive, industrial, and consumer end markets, and diversification across many chip types and customers compared to more specialized peers. |
- Specialized wafer-level burn-in technology for silicon carbide chips positions the company to benefit from growing electric vehicle power semiconductor demand
- Early leadership in a specialized test equipment niche provides differentiated technology relative to broader semiconductor test equipment competitors
- Growing interest in silicon carbide adoption beyond automotive, including industrial and data center power applications, provides additional demand avenues
- Diversified customer base across automotive, industrial, mobile, and computing semiconductor end markets reduces reliance on any single chip category
- Broad semiconductor test handler product portfolio addresses testing needs across many different chip types and packaging formats
- Long operating history in semiconductor test equipment has built established relationships across a wide range of chipmakers
- Revenue is highly concentrated among a small number of silicon carbide chip manufacturing customers, creating significant customer concentration risk
- Growth is closely tied to the pace of electric vehicle adoption and associated silicon carbide semiconductor demand, which can fluctuate
- Small company scale relative to broader semiconductor test equipment competitors provides less diversification across test applications
- Semiconductor equipment demand is highly cyclical, tied closely to chipmakers' capital spending and inventory levels
- Broad diversification across chip types means the company has less concentrated exposure to any single fast-growing niche like silicon carbide
- Competitive pressure from other semiconductor test equipment makers requires continued technology investment
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