Thank you all. Very valuable insights.

First pic is Pentax K1 ( FF)
Next, Fuji XT2 ( Crop sensor )

(Download)


(Download)

I used MeFoto Carbon fiber tripod. It was surprising to me my crop sensor image was sharper than my FF on the same setting, aperture, focal length. It wasn't a windy night, but, as you said, anything is possible, slight movement can set the FF image off a bit. I was worried my 24-70 copy isn't sharp enough and unfortunately, I can't change it since I bought it used.

I provided the link to down the original images so you can see on your screen. I am looking at the buildings when I zoom in. Thanks

Link to download the original files.

https://www.dropbox.com/sh/f39610ngzvqk14m/AAAB7577vww8Q31JYdLoJyEna?dl=0

Sorry guys, information updated. Thanks.

Hey Guys, I would appreciate your thoughts on these two photos. When I compared them in LR side by side and zoomed in, it appears to me that Fuji XT-2 with 16-55 is sharper than K-1 with 24-70. I did multiple comparisons at different apertures and the results were the same. Not sure if my 24-70 has an issue since I got it used. If you browse through the pics, I did the same with 15-30 which yields sharper result compared to Fuji 16-55 as anticipated.
Pentax K1 with 24-70 ( 36mp Full frame camera with native lens )
https://www.flickr.com/photos/rsmdphotography/38798064774/in/album-72157668139888589/

Fuji XT-2 with 16-55 ( 24mp Crop sensor with native lens )
https://www.flickr.com/photos/rsmdphotography/24638512857/in/album-72157668139888589/