Private Equity Fund Performance Measurement

XYZ Private Equity Fund is currently assessing its performance over the past five years. The fund has generated a total distribution of $600 million against an initial investment of $400 million. The fund manager was interested in calculating the average annual compounded growth rate (CAGR) of the investment to evaluate the fund's performance. In this scenario, which performance measurement is best to compare with other funds in the same asset class?