I'd bet it's either the native display resolution or whatever you had for your d...

duffyjp 89 days ago | parent | context | favorite | on: Nvidia announces next-gen RTX 5090 and RTX 5080 GP...

I'd bet it's either the native display resolution or whatever you had for your desktop when submitted. They're able to gather all kinds of hardware specs so I'd lean to the native resolution as the most likely answer.