"But how much do they really help? We found that the latency of a system with one of the NVIDIA GeForce RTX graphics cards is halved compared to a GeForce GTX 750 Ti, and nearly 6x less than a system without one."

In other words, systems with graphics cards from the newest generation perform much better than those with graphics cards from three generations ago, and better still than systems without graphics cards.

And this is surprising... to whom, exactly? This is just a marketing article that tries, poorly, to connect the product it's hawking with a currently-popular trend in gaming.