Roon Nucleus vs Innuos

I am looking for some advice.  I am using a Roon Nucleus with my Linn streamer and find the sound is not quite as good as my turntable.  ( I am not trying to engender the analogue vs digital debate).  A friend suggested I consider transitioning to an Innuos server; either as a Roon endpoint or in conjunction with the Nucleus.  Has anyone compared the sound of these two devices?
Thanks
MP