Kind of. IPS is a more generic term while IPW refers specifically to the power consumption, and to be honest, on modern chips this is the limiting factor, no? I mean, reducing the clockrates is the #1 method of making a low-TDP chip in laptops, and since a reduction in clock reduces power linearly for a given CPU architecture, it's not surprise why this is done.
Dolphin 5.0 CPU benchmark
CPU: Xeon E3-1246 v3 (4c/8t Haswell/Intel 4th gen) — core & cache @ 3.9GHz via multicore enhancement
GPU: Intel integrated HD Graphics P4600
RAM: 4x8GB Corsair Vengence @ DDR3-1600
OS: Linux Mint 20.3 Xfce + [VM] Win7 SP1 x64
CPU: Xeon E3-1246 v3 (4c/8t Haswell/Intel 4th gen) — core & cache @ 3.9GHz via multicore enhancement
GPU: Intel integrated HD Graphics P4600
RAM: 4x8GB Corsair Vengence @ DDR3-1600
OS: Linux Mint 20.3 Xfce + [VM] Win7 SP1 x64