There's still a huge difference in TDP. The iPad probably has a TDP of maybe 10 watts? The Mac Mini Intel CPU's have 65 watt TDP's. They can deliver more power

There's still a huge difference in TDP. The iPad probably has a TDP of maybe 10 watts? The Mac Mini Intel CPU's have 65 watt TDP's. They can deliver more power and cooling to the 12Z than in an iPad and it should result in much higher performance.