It's a shame that you can't address the heart of the issue and turn on a high performance mode for Dolphin, like on desktop. Unfortunately, to my understand on Android that is only possible on a rooted device.
Intel Xeon w7-3465X OC | Asus Pro WS W790-E Sage SE | NVIDIA GeForce RTX 4090 FE | 8x16GiB G-Skill Zeta R5 DDR5-6000 | Windows 11 22H2 | (details)
MacBook Pro 14in | M1 Max (32 GPU Cores) | 64GB LPDDR5 6400 | macOS 13