AMD early Tuesday took its Radeon HD 4000-series chipsets into ultra budget territory with two video cards that promise better performance than their prices would suggest. The Radeon HD 4550 and Radeon HD 4350 have just 80 stream (effects) processors versus as much as 800 for the Radeon 4800 series but are still capable of full DirectX 10.1 and current OpenGL 2.x effects, rendering them some of t
