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Compare · POWI vs STM

POWI vs STM

Side-by-side comparison of Power Integrations Inc. (POWI) and STMicroelectronics N.V. (STM): market cap, price performance, sector, and recent activity on the wire.

Summary

  • Both POWI and STM operate in Semiconductors (Technology), so they compete in similar markets.
  • STM is the larger of the two at $62.85B, about 14.6x POWI ($4.29B).
  • Over the past year, POWI is up 34.7% and STM is up 153.4% - STM leads by 118.7 points.
  • POWI has been more active in the news (11 items in the past 4 weeks vs 8 for STM).
  • STM has more recent analyst coverage (25 ratings vs 16 for POWI).
PerformancePOWI+34.66%STM+153.41%
2025-06-09+0.00%2026-06-08
MetricPOWISTM
Company
Power Integrations Inc.
STMicroelectronics N.V.
Price
$76.61-0.60%
$74.94+6.05%
Market cap
$4.29B
$62.85B
1M return
+6.77%
+34.09%
1Y return
+34.66%
+153.41%
Industry
Semiconductors
Semiconductors
Exchange
NASDAQ
NYSE
IPO
1997
News (4w)
11
8
Recent ratings
16
25
POWI

Power Integrations Inc.

Power Integrations, Inc. designs, develops, manufactures, and markets analog and mixed-signal integrated circuits (ICs), and other electronic components and circuitry used in high-voltage power conversion worldwide. The company offers a range of alternating current to direct current power conversion products that address power supply ranging from less than one watt of output to approximately 500 watts of output for mobile-device chargers, consumer appliances, utility meters, LCD monitors, main and standby power supplies for desktop computers and TVs, LED lighting, and other consumer and industrial applications. It also provides high-voltage diodes; and high-voltage gate-driver products under the SCALE and SCALE-2 product-family names. In addition, the company offers motor-driver ICs for use in refrigerator compressors, ceiling fans, and air purifiers, as well as pumps, fans, and blowers used in consumer appliances, such as dishwashers and laundry machines. It serves communications, computer, consumer, and industrial markets. The company sells its products to original equipment manufacturers and merchant power supply manufacturers through sales personnel, as well as a network of independent sales representatives and distributors. Power Integrations, Inc. was founded in 1988 and is headquartered in San Jose, California.

STM

STMicroelectronics N.V.

STMicroelectronics N.V., together with its subsidiaries, designs, develops, manufactures, and markets semiconductor products in Europe, the Middle East, Africa, the Americas, and the Asia Pacific. It operates through Automotive and Discrete Group; Analog, MEMS and Sensors Group; and Microcontrollers and Digital ICs Group segments. The Automotive and Discrete Group segment offers automotive integrated circuits (ICs); and discrete and power transistor products. The Analog, MEMS and Sensors Group segment provides industrial application-specific integrated circuits (ASICs) and application-specific standard products (ASSPs); general purpose analog products; custom analog ICs; wireless charging solutions; galvanic isolated gate drivers; low and high voltage amplifiers, comparators, and current-sense amplifiers; MasterGaN, a solution that integrates a silicon driver and GaN power transistors in a single package; wireline and wireless connectivity ICs; touch screen controllers; micro-electro-mechanical systems (MEMS) products, including sensors or actuators; and optical sensing solutions. The Microcontrollers and Digital ICs Group segment offers general purpose and secure microcontrollers; radio frequency (RF) and electrically erasable programmable read-only memories; and RF, digital, and mixed-signal ASICs. It also provides assembly and other services. The company sells its products through distributors and retailers, as well as through sales representatives. STMicroelectronics N.V. was incorporated in 1987 and is headquartered in Geneva, Switzerland.

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