https://www.theguardian.com/games/2020/oct/07/whisper-quiet-and-super-fast-hands-on-with-a-preview-xbox-series-x-microsoft

It’s not the final product but we’ve been testing a preview unit of Microsoft’s new console – and we’re impressed

Until now, it’s all been marketing. Every feature, every technological advancement, promised for the PlayStation 5 and Xbox Series X, have been untested. But over the last three weeks, Microsoft has been sending out preview units of the Series X to journalists around the world. Just as the company blinked first and announced the price and launch date of its next machine before Sony, it is now allowing proper scrutiny of the hardware before its competitor.