MSI intros Radeon HD 4870 with 1GB onboard memory
http://www.tcmagazine.com/comments.p...=21339&catid=2

ASUS Radeon HD 4870 TOP 512MB Graphics Card
What’s so great about the TOP line-up from ASUS is that they don’t get a card and just add an extra 10MHz to the core and 20MHz to the memory, the TOP line-up of cards are really well overclocked cards that stand out from the competition.
http://www.tweaktown.com/reviews/156...ard/index.html

Gaming at Beyond Full HD Resolutions Finally Made Affordable? - Force 3D Radeon HD 4870 Vs. Nvidia GeForce GTX 260 Review
It has been a traditional assumption that the monitor and system case should be priced comparably. However, the arrival of expensive processors and graphics accelerators made this statement very doubtful. Today we are going to check how well 300-dollar graphics cards can perform in video games in 2560x1600 resolution. We will test Force 3D Radeon HD 4870 and Nvidia GeForce GTX 260.
http://xbitlabs.com/articles/video/d...d-hd-4870.html