The best results come from Snapdragon 845 and newer. Exynos and MediaTek chips can work but do not benefit from Turnip drivers. Mali and PowerVR GPUs generally perform worse.
The NetherSX2-Turnip release often includes specific drivers for SD865 (Retroid Flip 2) and newer Snapdragon Elite/8 Gen 5 chips. How to Install and Use Turnip Drivers (Step-by-Step) Step 1: Install NetherSX2-Turnip aethersx2 turnip apk latest version