Tacx NEO 2T watt problem

Hello, I have a problem. I add to my training bike dual power meter pedals and try to compere with NEO in watts. Pedals connected to Wahoo bike computer shows about 25-30W more, than Zwift.

If I try Tacx app in iOS, trainer shows ± same watts as pedals. 1-4W.

I use Zwift on AppleTV 4K and it is conneced only heardstrap and Neo. It is some settings to change?

I add some picture