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I remember seeing somewhere some option on some rendering program that allows you to reduce the triangles but still keeping a good resolution.. I cant remember the name of it.. i think it was something in the new UE 4 update they brought out.
@XlordB speaking as both the Medium project director and a former gamedev who built several games on various versions of the Unreal Engine, UE certainly wouldn't HELP any of our memory usage. Fundamentally the reason things run out of memory is just because sculpts take a lot of memory and layer operations often involve temporarily using a pretty big chunk.There's more we can do there and we'll keep chipping away at it. But actually, long long ago we were prototyping Medium in the Unity engine and when we switched away we debated continuing with Unity, switching to UE, or writing our own engine, and we chose the latter and it was absolutely the right choice.