Rudolph Technologies (NYSE: RTEC) and Aehr Test Systems (NASDAQ:AEHR) are both small-cap computer and technology companies, but which is the superior business? We will contrast the two companies based on the strength of their analyst recommendations, valuation, earnings, profitability, institutional ownership, risk and dividends.


This table compares Rudolph Technologies and Aehr Test Systems’ net margins, return on equity and return on assets.

Net Margins Return on Equity Return on Assets
Rudolph Technologies 12.90% 11.08% 9.53%
Aehr Test Systems -13.92% -23.69% -12.00%

Risk & Volatility

Rudolph Technologies has a beta of 1.08, suggesting that its stock price is 8% more volatile than the S&P 500. Comparatively, Aehr Test Systems has a beta of 0.87, suggesting that its stock price is 13% less volatile than the S&P 500.

Analyst Recommendations

This is a breakdown of recent recommendations and price targets for Rudolph Technologies and Aehr Test Systems, as reported by

Sell Ratings Hold Ratings Buy Ratings Strong Buy Ratings Rating Score
Rudolph Technologies 1 0 4 0 2.60
Aehr Test Systems 0 0 0 0 N/A

Rudolph Technologies presently has a consensus price target of $29.80, suggesting a potential upside of 0.17%. Given Rudolph Technologies’ higher possible upside, analysts plainly believe Rudolph Technologies is more favorable than Aehr Test Systems.

Insider and Institutional Ownership

91.3% of Rudolph Technologies shares are owned by institutional investors. Comparatively, 25.0% of Aehr Test Systems shares are owned by institutional investors. 2.0% of Rudolph Technologies shares are owned by company insiders. Comparatively, 21.9% of Aehr Test Systems shares are owned by company insiders. Strong institutional ownership is an indication that hedge funds, large money managers and endowments believe a stock will outperform the market over the long term.

Valuation & Earnings

This table compares Rudolph Technologies and Aehr Test Systems’ gross revenue, earnings per share (EPS) and valuation.

Gross Revenue Price/Sales Ratio Net Income Earnings Per Share Price/Earnings Ratio
Rudolph Technologies $255.10 million 3.69 $32.90 million $1.02 29.17
Aehr Test Systems $18.90 million 2.61 -$5.65 million ($0.20) -11.30

Rudolph Technologies has higher revenue and earnings than Aehr Test Systems. Aehr Test Systems is trading at a lower price-to-earnings ratio than Rudolph Technologies, indicating that it is currently the more affordable of the two stocks.


Rudolph Technologies beats Aehr Test Systems on 12 of the 13 factors compared between the two stocks.

Rudolph Technologies Company Profile

Rudolph Technologies, Inc. (Rudolph) is engaged in the design, development, manufacture and support of process control defect inspection and metrology, advanced packaging lithography, and data analysis systems and software used by microelectronics device manufacturers. The Company provides process and yield management solutions used in both wafer processing and final manufacturing through a family of standalone systems for macro-defect inspection, lithography, probe card test and analysis, and transparent and opaque thin film measurements. It offers Process Control Business, Lithography Business and Integrated Software Solutions. Rudolph markets and sells products to logic, memory, data storage, flat panel, application-specific integrated circuit (ASIC) device and packaging manufacturers. Its products include AMX 6000 Series, Explorer Inspection Platform, MetaPULSE System, Wafer Scanner Inspection System, GateWay Software, Yield Optimizer Software and Process Sentinel Software.

Aehr Test Systems Company Profile

Aehr Test Systems is engaged in the designing, manufacturing and marketing of advanced test and burn-in products to the semiconductor manufacturing industry. The Company manufactures and markets full wafer contact test systems, test during burn-in systems, test fixtures, die carriers and related accessories. The Company’s principal products are the Advanced Burn-In and Test System (ABTS), the FOX full wafer contact parallel test and burn-in systems, WaferPak full wafer contactor, the DiePak carrier and test fixtures. The Company develops, manufactures and sells systems, which are designed to reduce the cost of testing and to perform reliability screening, or burn-in, of complex logic devices, memory integrated circuits (ICs), sensors and optical devices. These systems can be used to perform parallel testing and burn-in of packaged ICs, singulated bare die or ICs still in wafer form.

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