REET carries a much lower expense ratio and more assets under management than GQRE. GQRE offers higher returns and dividend yield.
FlexShares Global Quality Real Estate Index Fund ETF selects real estate companies based on quality, value and momentum. GQRE has a global strategy, but 65% of its assets are in the U.S. GQRE shows a more attractive valuation than the US-only ETF VNQ, but has underperformed it since its inception.