I have noticed that BG3 rides fairly high on CPU as well. Similar system:
Operating System
Windows 10 Pro 64-bit
CPU
Intel Core i5 @ 3.50GHz 101 °F
Kaby Lake 14nm Technology
RAM
32.0GB Dual-Channel Unknown @ 1203MHz (17-17-17-39)
Motherboard
ASUSTeK COMPUTER INC. STRIX Z270F GAMING (LGA1151) 87 °F
Graphics
27MP33 (1920x1080@60Hz)
4095MB NVIDIA GeForce RTX 2070 (EVGA) 126 °F
