NUC5i7RYH not playing correctly videos @ 50 fps

Category

Questions

Answers (N/A if not applicable)

Description

Provide a detailed description of the issue

Many frames are lost when playing video files encoded @ 50 fps.

No problem with encoded video @ 25 fps

Does it fail every single time, or only sometimes?
If you can offer a % rate please do.

Always. The video file could be on any external or internal device, the problem is the same.

Hardware (HW)

Brand and Model of the system.

Intel NUC5i7RYH

Hybrid or switchable graphics system?
ie Does it have AMD or NV graphics too?

N/A

Make and model of any Displays that are used to see the issue (see note2 below).
LFP = Local Flat Panel (Laptop panel)
EFP = External Flat Panel (Monitor you plug in)

EFP = Philips BDM3270

How much memory [RAM] in the system (see note2 below).

16 Go

Provide any other hardware needed to replicate the issue.
ie: Cables&brand, cable type [vga, hdmi, DP, etc], dock, dongles/adapters, etc

Display Port 1.2 @ 60 Hz

Hardware Stepping (see note1 below).

RYBDWi35.86A.0350.2015.0812.1722

Software (SW)

Operating System version (see note2 below).

Windows 10 Fr

VBIOS (video BIOS) version. This can be found in “information page” of CUI (right click on Desktop and select “Graphics Properties”.

N/A

Graphics Driver version; for both integrated Intel and 3rd party vendors (see note2 below).

20.19.15.4300

SW or Apps version used to replicate the issue.

VLC / GoPro Studio / Apple QuickTime player

Configurations

Single display, clone, or extended (see note2 below).

Single

Display resolution & refresh rate setting of each display (see note2 below).

2560 x 1440 @ 60 Hz

AC or DC mode, i.e. is power cable plugged in or not?

N/A

How to repro

Please provide steps to replicate the issue.  These steps are very crucial to finding the root cause and fix.
A screenshot to illustrate the issue is a huge plus. A video of the failure is even better! Attach to the post or provide the YouTube link.

1. Just try to read any video files encoded @ 50 fps and you will see. If you don't have any, I can provide some samples.
   
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5. PS : I can't get Intel SSU to work with Win10 x64 French Version