That CPU is completely and utterly pointless and won't be able to run anywhere near it's full potential for any meaningful amount of time as there is no active cooling.
The M2 iPad Pro can't do anything in Lightroom or other CPU-intensive apps without overheating and dimming the screen within minutes of usage.
It's like putting a V12 engine in a car with no cooling and then having a power limiter that cuts in after 10 seconds of driving round a track.