Terrain for Mobile (T4M) versus Unity 3.4 Terrain

I was developing a Game in Unity 3.3 (iOS) using Terrain 4 Mobile and it was working good. I upgraded to 3.4 and deleted my T4M Terrain to take advantage of the announced Unity 3.4 Terrain compatibility on Xcode. I tested the Game and I lost about 40% of performance. I converted again my Terrain to T4M and everything worked fine again.

CONCLUSION: If you are using T4M and upgrade to Unity 3.4 DO NOT delete your Terrain because the Unity Terrain does not work well and your Game will lost performance.

Dreamora anticipated this behavior some time ago: Thanks Dreamora!

Never knew about the slowdown in 3.4. Anyone have trouble going back to 3.3?

Thanks for sharing the experience pepefirst.

squishydonut: Terrain system on mobile platform was not supported before Unity 3.4. Unity added the support for it in Unity 3.4, but as pepefirst had found out, it is slower than 3rd party solution from Terrain 4 Mobile (T4M). So going back to Unity 3.3 and you won’t even be able to use the Terrain on iOS on Android.