I suspect it's a bit of both. My money's on Unreal as the highest performing in terms of fancy graphics. However, the "game programming" can vary hugely from ga

I suspect it's a bit of both. My money's on Unreal as the highest performing in terms of fancy graphics. However, the "game programming" can vary hugely from game to game, even in the same engine. It's probably hard to compare the efficiency of game logic outside of game-to-game cases.