I have a subdivided model which is fine in the view port. I have started to unwrap it to texture and have put the checkerboard texture on temperarely. So far I only have 3 x 4k images and the view port lags like hell.
Processor : 12x Intel® Xeon® CPU E5-1650 v3 @ 3.50GHz
Memory : 32842MB (5671MB used)
Operating System : Manjaro Linux
Resolution : 1680x1050 pixels
OpenGL Renderer : GeForce GTX TITAN X/PCIe/SSE2
X11 Vendor : (null)