Depends on amount of RAM you have and other settings (like `dbcache`, especially important during IBD).

Hmm, I assumed my problem was that I couldn't hold the UTXO in memory and so it was constantly using my HD which is a lot slower.  I don't know enough about the details to really know what else could be the problem.

SimpleStacker

IBD took an entire month, whereas same hardware 3 years ago IBD took 3 days.

IMO, UTXO bloat is the main technical issue

If you do full IBD, UTXO size is not the main issue for you, you anyway fully process all the blocks after 

bitcoin

Nicolas Dorier (BTC Payserver): increasing OP_RETURN limit will help our users

Scoresby

> IBD took an entire month, whereas same hardware 3 years ago IBD took 3 days.
> IMO, UTXO bloat is the main technical issue

If you do full IBD, UTXO size is not the main issue for you, you anyway fully process all the blocks after `assumevalid`.