As stated, on demand pricing was used. Both products have special pricing at higher usages and flat-pricing tiers. It would start to get compilicated to compare them at that point.
I figured. It's easy to forget that there's really no international/intercultural agreement on number punctuation, particularly combined with a service that wants to price down to tenths of cents.
Numbers on https://aws.amazon.com/redshift/pricing/ used.
dc1.8xlarge - $4.800 per Hour