It will work, but only with mediocre performance and/or scalability settings. As for model, instead you should be looking at specs.
Take a look here, and you can see from the examples what kind of requirements you’ll need,
Epic’s FAQ Getting Started guide also covers this,
“For developing with UE4, we recommend a desktop PC with Windows 7 64-bit or a Mac with Mac OS X 10.9.2 or later, 8 GB RAM and a quad-core Intel or AMD processor, and a DX11 compatible video card. UE4 will run on desktops and laptops below these recommendations, but performance may be limited.”
It works,
Alfie