??? - nothing we can do without info!
1. WHAT Hardware - there are 1000 models out there...
2. if its APU only (no dGPU) you need fast dual-channel ram (2 sticks)
3. if it has dGPU and performs bad there are many ways to fix that
4. do you play "unplugged" (so ONLY on battery) or did you plug in the power? - 85% der Laptops need power to run full performance
PC: R7 2700X @PBO + RX 580 4G (1500MHz/2000MHz CL16) + 32G DDR4-3200CL14 + 144hz 1ms FS P + 75hz 1ms FS
Laptop: R5 2500U @30W + RX 560X (1400MHz/1500MHz) + 16G DDR4-2400CL16 + 120Hz 3ms FS