And a second (third?) thought: You may wish to use a lower poly-count model. The one shown in your own test renders actually look too smooth along the curved sides. Compare the curved bevels on your desired examples. That's where a lot of the difference appears.

RosemaryR
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"This...this is magnificent!"
"Oh, yeah. Ooooo. Aaaaah. That's how it starts.
Then, later, there's ...running. And....screaming."