I must ask settings for unigine heaven. 1080p?
I myself are using
G.Skill Ripjaws - DDR4 - 16 GB: 2 x 8 GB - SO DIMM 260-pin - 3000 MHz / PC4-24000 - CL16 - 1.2 V
https://www.gskill.com/en/product/f4-3000c16d-16grs
And my score is really difrent.
I also tested with having dedicated ram set...