Dell P2419H not playing below 50fps properly

Feb 3, 2019
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I am having an issue with this monitor and video playback.
50fps and 60fps plays smoothly but any frame rate lower than this plays choppy and the ghosting is severe at times.
I've done the following troubleshooting measures and the issue still persists;
Connected via HDMI and not Display Port which ruled out the cable being a problem.
Connected to my old system's GPU which played all videos fine without stutter and ghosting on my old AOC TN panel monitor. This ruled out the CPUs being the problem.
My old system runs Windows 7 and my new system runs Windows 10. This ruled out the Operating System being the problem.

These are the specs of my new system.
CPU: Intel i7-7700
GPU: EVGA GTX 1060 6GB
Motherboard: Gigabyte Z270 Gaming 3
Hard Drive: Kingston HyperX 480GB SSD

Looking forward to some feedback as the I do like the overall build and I/Os of this monitor.

Thanks,
Chris