I'm using Vivaldi and Zen as browsers. Qwant as search engine. So far so good!

I switched from chrome to Vivaldi at first. Then I discovered Zen, which is probably still in beta although it works very well. I use one on my laptop and the other on my work pc. The most notable difference in day to day use is that Zen only shows tabs in a column on the left of the page. There's no option right now to show them horizontally as you would be used with any other browser.

All in all they both work well preferring to the other is gonna be pretty subjective. Just try them out ;-)