ISRG vs TSM: Which Is the Better Buy?

Side-by-side comparison of Intuitive Surgical, Inc. and Taiwan Semiconductor Manufacturing Company Limited โ€” fair value, conviction, valuation metrics, and QuantHub research signals. Updated 2026-09-25.
Intuitive Surgical, Inc. ยท Healthcare
$399.52
+22.4% upside to fair value
Med Conviction Grade B High Quality
VS
Taiwan Semiconductor Manufacturing Company Limited ยท Technology
$452.00
+13.9% upside to fair value
Med Conviction Grade B High Quality
QuantHub Verdict
ISRG has more upside to fair value (+22.4%). These are model outputs โ€” not personalized investment advice. See all research โ†’
Valuation & Fundamentals
Metric ISRG TSM
Current Price $399.52 $452.00
Fair Value Estimate $488.97 $515.00
Upside to Fair Value +22.4% +13.9%
Market Cap $141.1B $2,344.3B
Forward P/E โ€” โ€”
EV / EBITDA 30.7x 19.2x
Price / Sales 12.8x 0.5x
Price / FCF 44.0x 2.1x
Revenue Growth YoY +18.5% +36.0%
Gross Margin 66.7% 64.2%
Operating Margin 31.3% 56.0%
Return on Equity 17.8% 39.3%
Dividend Yield 0% 0.96%
FCF Yield 2.28% 47.62%
Analyst Consensus Strong Buy Buy
Investment Thesis
ISRG โ€” Intuitive Surgical, Inc.
Intuitive Surgical develops, produces, and commercializes the da Vinci surgical system and the Ion endoluminal system, along with instruments, accessories, training, and digital solutions that drive a large installed-base and recurring-revenue model. Business quality is high: TTM gross margin of 66.7%, operating margin of 31.3%, net margin of 28.4%, ROE of 17.8%, and revenue growth of 18.5% with โ€ฆ
TSM โ€” Taiwan Semiconductor Manufacturing Company Limited
Taiwan Semiconductor Manufacturing Company is the world's largest contract chipmaker, manufacturing advanced logic, mixed-signal, RF, and embedded memory wafers for high-performance computing, smartphones, IoT, and automotive customers from a base of 65,152 employees headquartered in Hsinchu, Taiwan. The business quality is exceptionally high: TTM gross margin is 64.2%, TTM operating margin is 56โ€ฆ
Accumulation Zones
Metric ISRG TSM
Zone Low $366.73 $386.25
Zone High $415.62 $437.75
In Buy Zone? Yes No
โ† ISRG Research    TSM Research โ†’    All Research