Dell XPS vs Precision — What's the Difference?

Both Dell XPS and Precision look pretty much the same, but what sets them apart? Are they targeted at different audiences and do they have different specs?

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The Difference Between Dell Precision and Dell XPS - ElectronicsHub

Dell XPS 13: Differences between 9370 vs. 9360

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Dell XPS vs Precision — What's the Difference?

Dell XPS vs Dell Latitude: What's the difference?

Dell Latitude 5420: A Powerful Business Laptop - History-Computer

Which Dell laptop should I buy for the best performance, an XPS or

Dell Precision 5470 Review

Dell XPS 17 9720 review: Almost all the right improvements