ATI Radeon HD 4870 graphics card gets official
![](https://s.yimg.com/ny/api/res/1.2/zKFcvZrf_2bzvrzP8rz5.Q--/YXBwaWQ9aGlnaGxhbmRlcjt3PTk2MDtoPTY3MA--/https://s.yimg.com/uu/api/res/1.2/y8NbOyLmGcPJN5P2tsrqLQ--~B/aD0zNjM7dz01MjA7YXBwaWQ9eXRhY2h5b24-/https://www.blogcdn.com/www.engadget.com/media/2008/06/6-25-08-radeon-hd-4870.jpg)
Just five days after ATI fessed up with an official release of its Radeon HD 4850, along comes a similar announcement for the just-leaked Radeon HD 4870. This dual-slot beast is finally being outed on the record, and at the very least, Diamond Multimedia's version will come stocked with 512MB of DDR5 memory, a clock speed of 725 MHz, 900MHz memory speed and 800 stream processors. The unit also provides CrossFireX upgradeability and should be available here soon from your favorite online retailer.