I'm sure Nintendo knew what they were going to release this year long before Nintendo 3DS sales shrinked.The original post has been deleted. I am looking at it for flaws, it's not just about what was expected, but about the small differences that say a lot more, nothing about this leak is forced or familiar enough to be easily dismissed. Even the colored shell looks exactly like something Nintendo would want to have on shelves.
I think it's real, the no change in cpu isn't really a big deal, because this is the cheaper model, we were looking at the pro model as having new performance, but there is over 35 million current Switch units, a mini Switch with the same chip as that one doesn't change the dynamics for developers.
From everything I know, last year things changed for the switch pro, it was using a Tegra X2 that was overclocked, moved to a custom chip with a new CPU and dropped off the face of the earth, external devs still don't have it and while a boost to games is possible without their knowledge of the device, it is weird that no one has seen it yet.
7 or 8 months ago, things changed, it became unclear if the pro was going to release this year or if it was being moved to another year... What I know is that a year ago, the Switch pro was about twice the current Switch and expected to release this holiday season, as had been the plan for over the past two years. 3DS didn't sell well enough and plans changed, the mini is now coming out this year among a sea of high selling IPs, many of which target Japan directly.
Now that Nintendo and Nvidia know they have a hit on their hands, they are releasing a low cost update for entry level sales, the current model will have to stick around until this new switch premium model is released. Plans have changed from last year, and that doesn't mean that the pro got weaker, it makes a lot of sense to simply release a new model that can manage next gen development, even if it's not coming out until 2021.
Also, they had to have shrunk the Tegra X1, that means that the docked performance is on the table for this device as well as the current model, it has multiple vents, meaning air circulation, it still docks, so it will need to cool the device while charging the battery, all of this points to a fan, it doesn't even look thinner, if you look at the triggers, the mold isn't any more protruded than the current Joycons do, meaning the button thickness is almost certainly the same. This is just the current Switch with no Joycons, and a longer battery life as all reports I've heard is that Nintendo was nudged off 20nm.
Also, both Eurogamer and WSJ reported just a few weeks ago that an upgraded Switch is coming, with the former reporting the cheaper model isn't a traditional handheld like the Vita, which is what this chinese leak would indicate.