Call of Duty Elite, which launched alongside Modern Warfare 3 last November, has 12 million registered users and 2.3 million who have paid for premium, Activision has announced.

"At least 2.3 million premium members and over 12 million registered users are remarkable achievements," said Eric Hirshberg, CEO of Activision Publishing.

Earlier this week EA announced its Battlefield 3 Premium service had already achieved 1.3 million paid members.