Compare COM method and Powershell method (using Get-ChildItem) to get the size of a folder. COM method is incredibly faster

Compare-FolderSizeMethods.ps1

function Compare-FolderSizeMethods
{
    [CmdletBinding()]
    param (
        [Parameter(Mandatory)]
        [string]$Path
    )

    $results = @{
        COM        = 0
        PowerShell = 0
    }

    # Test COM method
    $stopwatch = [System.Diagnostics.Stopwatch]::StartNew()
    try
    {
        $fso = New-Object -ComObject Scripting.FileSystemObject
        $folder = $fso.GetFolder($Path)
        $size = $folder.Size
    }
    finally
    {
        if ($fso)
        {
            [System.Runtime.InteropServices.Marshal]::ReleaseComObject($fso) | Out-Null
        }
    }
    $stopwatch.Stop()
    $results.COM = $stopwatch.ElapsedMilliseconds

    # Test PowerShell method
    $stopwatch.Restart()
    $size = (Get-ChildItem -Path $Path -Recurse -Force -ErrorAction SilentlyContinue | 
            Measure-Object -Property Length -Sum).Sum
    $stopwatch.Stop()
    $results.PowerShell = $stopwatch.ElapsedMilliseconds

    [PSCustomObject]@{
        Path                   = $Path
        'COM_Time_ms'          = $results.COM
        'PS_Time_ms'           = $results.PowerShell
        'Difference_ms'        = $results.PowerShell - $results.COM
        'COM_Faster_By_Factor' = [math]::Round($results.PowerShell / $results.COM, 2)
    }
}