RX 480 problems- bad GPU?

[Aviation_1]

I've not had any problems with my XFX RX 480 for a while now. It's been excellent until now. Artifacting is very apparent to the YouTube page, but it seems restricted to there. No problems with the card until I upgraded the drivers using AMD software and artifacting was everywhere. Rolling back the drivers solved this. I had been playing Kerbal Space Program and played for about an hour without issue, but then it crashed with the standard "KSP.exe has stopped working." No bluescreens or crashes relating to the GPU or its drivers have happened. Help?
System specs:
A6 6400k APU (yes, i know its a bottleneck, upgrading soon)
RX 480 XFX (nothing special)
8gb system memory

GPU info from radeon software:

Graphics Card Manufacturer - Powered by AMD
Graphics Chipset - Radeon (TM) RX 480 Graphics
Device ID - 67DF
Vendor ID - 1002
SubSystem ID - 9480
SubSystem Vendor ID - 1682
Revision ID - C7
Bus Type - PCI Express 3.0
Current Bus Settings - PCI Express 2.0 x16
BIOS Version - 015.050.000.000
BIOS Part Number - 113-RX480-8GB-X1288M8G-W80
BIOS Date - 2016/10/15 04:17
Memory Size - 8192 MB
Memory Type - GDDR5
Memory Clock - 2000 MHz
Core Clock - 1288 MHz
Total Memory Bandwidth - 256 GByte/s
2D Driver File Path - /REGISTRY/MACHINE/SYSTEM/ControlSet001/Control/Class/{4d36e968-e325-11ce-bfc1-08002be10318}/0000

Software info from Radeon Software:

Radeon Settings Version - 2016.1121.1657.30480
Driver Packaging Version - 16.50.2011-161219a-309792E
Provider - Advanced Micro Devices, Inc.
2D Driver Version - 8.1.1.1583
Direct3D® Version - 9.14.10.01235
OpenGL® Version - 6.14.10.13464
OpenCL™ Version - 6.14.10.13464
AMD Mantle Version - 9.1.10.0165
AMD Mantle API Version - 102400
AMD Audio Driver Version - 10.0.1.1
Vulkan™ Driver Version - 1.4.1
Vulkan™ API Version - 1.0.30

Update: Am I being stupid here? Could this be the HDMI cable I'm using, as I've seen similar problems relating to the cable? Because there are very little signs pointing to a bad GPU except the artifacting here. Can someone provide me with a for-sure answer here?
Update 2: Sorry, should have mentioned: OS is Windows 10 64 bit.

 

[Aviation_1]

After 3 hours of general browsing around the Internet, nothing has gone wrong- not a GPU problem for sure, but still very curious how it happens on Youtube. Anyone, help?

 

[Aviation_1]

Disabling Chrome hardware acceleration fixed it, pretty sure. Try this if you have the problem.

 

[Aviation_1]

Can confirm issue is fixed now.