"It's bigger " being the most obvious. It is probably also more expensive, and the remote control might have a few more buttons. Maybe the 2HE has 32 types of surround sound filtering, compared to the 1HE's 16?

Hopefully the man on the right is mentally working out how many people he could kill before vigilantes in the crowd overpowered him. That's what our mentally working out how many people we could kill before vigilantes in the crowd overpower us face looks like, anyway.

Shamlessly stolen from IdiotToys .