Expect around 5% faster speeds from new AMD Ryzen 9 3900XT over 3900X
Ryzen 9 3900XT sample gets highest average bench result for an AMD processor tested on UserBenchmark...but it's still behind over 25 Intel chips including the Intel Core i3-10320! - NotebookCheck.net News
AMD Ryzen 9 3900XT - computer parts - by owner - electronics sale - craigslist
How I Overclocked the Ryzen 9 3900XT to World-Record Speeds | Tom's Hardware
AMD Ryzen 9 3900XT manages credible results on Geekbench placing it in the company of the Ryzen 9 3900X and Intel Core i9-10900K but its predecessor offers better value - NotebookCheck.net News
AMD Ryzen 9 3900XT and Ryzen 7 3800XT Benchmarks Surface