Different mandates: VOO tracks large-cap U.S. equities through the S&P 500, while VYMI targets non-U.S. dividend payers via the FTSE All-World ex US High Dividend Yield Index. Concentration vs. breadth: VOO holds roughly 500 companies with heavy mega-cap technology weight, whereas VYMI spreads across roughly 1,500 international names dominated by financials.

Both funds are passive, non-U.S. dividend ETFs, but IDV tracks the Dow Jones EPAC Select Dividend Index (about 100 developed-market stocks, dividend-weighted), while VYMI tracks the FTSE All-World ex US High Dividend Yield Index (roughly 1,500 stocks, market-cap weighted). VYMI offers far broader diversification across 40-plus countries and emerging markets, whereas IDV is concentrated in European developed markets.

SCHY is a concentrated, quality-screened portfolio of roughly 100 international dividend stocks, while VYMI is a broad, market-cap-weighted fund spanning more than 1,500 ex-U.S. names. VYMI carries a heavy tilt toward financials (over 40% of assets), whereas SCHY is far more balanced across financials, consumer staples, industrials, and communication services.