All that you will, well might actually, get with a managed switch (other than the possibility of a faster backplane) when compared to an unmanaged switch would be features that during a LAN party or most home networks would never be needed/used; VLANs, QoS, etc...
This is not to say that I know someone who is running a Cisco 5000 series switch in their apartment with multiple VLANs, VMPS, etc.... But that setup is far from ordinary.
Cliff notes: If the backplanes are the same then you will not see any performance increase.