Have not compared 2019 sets side by side no, but 2018 yes
I haven't compared the 2019 models either - but when I compared the 2017 QLED (Q7F), there wasn't a massive eye watering difference. Like I said, my
expectation was exactly as you described based on the comments I'd seen .... and I really expected angels to dance on my retinas. I thought I'd never be able to view a normal TV again once I'd seen OLED magic ... but none of that was true.
I was then given a myriad of excuses as to why there was no 'magic' ... wrong content ... lights ... incorrect settings ... incorrect temperature lights ... reflections. In general though, didn't see the below at all.
In reality, the basic B9 blows most of the Qled TVs out of the water ... expensive ones .... does not come close to Oled
Yes - the black is fantastic on the OLED (0cd/m2) ... but the QLED was just 0.044cd/m2. QLED also has better colour volume, better colour gamut, better peak brightness and just delivered the more vivid and punchier image on screen. And image retention on OLED is a real worry, as I do tend to game.
I also found it really depended on the scene / content - if you're watching Dark Knight in a dark theater environment, I tend to agree with you on fairly large (relative) difference. But average content, in an average lounge with average people watching - it's not really as large as people think.
Looking back at the pricing, the Q7F was priced the same as the OLD back then (R40,000+) - but on this particular day, they were running the set @ R29,950. As much as wanted to tell people I had shiny new OLED, I could not justify the difference (and I'm one of those that can justify most gadgets
And regarding the OneConnect box - that was another one of my reasons for choosing the QLED

I think's fantastic to wall mount and never need to go around back!