Sony Corp. this week said the Playstation 4 has sold 4.2 million units in global territories.
The sales mark is as of Dec. 28, 2013.
It sold through 1 million units in 24 hours post launch in the U.S. and Canada.
It will be sold Feb. 22 in Japan.
PS4 software sales totaled 4.2 million units in retail and digital download sales as of Dec. 28, 2013.
In addition, Playstation Plus subscriptions increased more than 90 percent the PS4 hardware launch.
Finally, more than 1.7 million gameplay broadcasts have been streamed via Twitch and Ustream.
The PS4 is sold at $399.99.
The hardware utilizes a PC-like architecture with a x86-based AMD Jaguar 8-core CPU, a 1.84 TLFOPS AMD next-generation Radeon GPU, and GDDR5 8GB RAM. In addition, the hardware features a 6X Blu-ray disc drive, USB 3.0 interface, Ethernet, Bluetooth 2.1, HDMI, and digital output.
Bonus items included with each PS4 include a $10 Playstation Store Credit, 30-day Playstation Plus Trial, and 30-day Music Unlimited Trial at no cost.
First-party titles for the PS4 include Killzone: Shadow Fall, DriveClub, Knack, Infamous: Second Son, and The Witness.