Enable High Efficiency Mode
Supported on: Microsoft Windows 7 or later
Registry
HKLM
Software\Policies\Google\Chrome HKCU
Software\Policies\Google\Chrome Value name: HighEfficiencyModeEnabled
Enabled: HighEfficiencyModeEnabled = 1
Disabled: HighEfficiencyModeEnabled = 0
Description
This policy enables or disables the High Efficiency Mode setting. This setting makes it so that tabs are discarded after some period of time in the background to reclaim memory. If this policy is unset, the end user can control this setting in chrome://settings/performance.