Key Points VOOG has outperformed VOO over the past year, but it comes with a higher expense ratio and lower dividend yield. VOOG leans more heavily into technology stocks, while VOO offers broader sector diversification across the S&P 500. VOO is far larger and more liquid, which could appeal to investors prioritizing ease of trading and scalability. These 10 stocks could mint the next wave of millionaires › The Vanguard S&P 500 Growth ETF (NYSEMKT:VOOG) and the Vanguard S&P 500 ETF (NYSEMKT:VOO ...