Andy Gould

VUG has delivered stronger total returns over the past five years, while ISCG -- up 26.5% over the past year -- has had the edge more recently.

XLF provides broad, large-cap financial exposure with lower fees, while KRE offers a more focused, higher-yield play on regional lenders.

SLYG charges lower fees, but RZG has delivered a higher one-year return.

SPGM has delivered slightly higher one- and five-year returns, while VT offers lower costs and deeper diversification.

VHT charges low fees and holds more than 400 stocks for broader diversification. IXJ's portfolio of 110 holdings includes international exposure -- but comes at a higher cost.

One ETF offers low-cost exposure to the entire financial sector, while the other zeroes in on banks and offers a higher yield.

PBE concentrates on 31 companies and offers a higher dividend yield, while IBBQ spreads risk across 251 holdings at a fraction of the cost.

XBI is up nearly 80% over the past year, but has experienced a much larger maximum drawdown over the past five years. IHE has delivered steadier returns and offers a higher dividend yield.

KRE has experienced deeper drawdowns over the last five years, while EUFN -- despite higher fees -- delivered stronger returns over the same time period.

VGIT offers lower volatility and lower fees, while IGIB delivers higher yields and has stronger recent returns. Which fits your portfolio?

PPH concentrates on just 26 drugmakers, while IYH diversifies more broadly across 100 healthcare holdings.

RWR delivered higher returns over the past one- and five-year periods, while HAUZ offers lower fees and broader diversification.

IYF has delivered stronger 5-year returns despite higher fees, while FNCL offers broader diversification.

SCHD offers lower costs and boasts stronger one-year returns than HDV, which maintains a more concentrated portfolio of high-yielding U.S. stocks.

The iShares Russell 2000 Value ETF (IWN) outperformed over the past year, but the Vanguard Morningstar Small-Cap Value ETF (VBR) -- with its lower fees -- delivered stronger five-year returns.

Small-cap growth fund ISCG delivered stronger returns over the last 12 months, while mega-cap fund MGK had the higher return over the last five years.

VFH holds a significantly greater number of companies and pays a higher dividend yield than XLF, yet both funds have delivered similar five-year returns.

VNQ delivered stronger recent returns, while VNQI offers a higher dividend yield and broader geographic diversification across 30-plus countries.

XLF delivers a higher dividend yield with lower volatility, while FTEC has posted a higher return over the past year.

MGK delivered higher five-year returns along with a steeper maximum drawdown than VONG over the same period.