Exteremely Low Performance On Startup With Zenfone 5

Development Platform & Builds Mobile
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You have to open the game in order to get the shaders to compile, but each time you open it, it’ll get faster.

I tested on the Zenfone 2 that we have and verified that the FPS is around 25 FPS for SunTemple for 4.12.5 and 4.13.0 Preview 1.

Everything comes down to how you’ve set your project up. Are you using affordable particle effects, textures, materials, etc for a mobile device?

Check out this documentation:

  • [Mobile Performance Tips & Tricks][1]
  • [Performance Guidelines for Mobile Devices][2]
  • [Mobile Game Development][3]

Thanks!

https://docs.unrealengine.com/latest/INT/Platforms/Mobile/Performance/TipsAndTricks/index.html
[2]: Performance Guidelines for Mobile Devices in Unreal Engine | Unreal Engine 5.1 Documentation
[3]: General Mobile Development for Unreal Engine | Unreal Engine 5.1 Documentation