I'm sorry, but it took me like three clicks to get to the original images, then three more to take this shot:
They're native 1280x800 images, embedded into scaled-up PR renders of Steam Decks, fit into a 4K overall frame, with the only issue being jpeg compression. I got that on my first look at them. You could have tried to see if you were already provided what you asked for, rather than immediately assume something and buffoonerize yourself.