AMD is developing an integrated graphics chipset for budget PCs that could take the performance crown in the category, a leaked roadmap shows. Codenamed RS880 but likely to be badged Radeon HD 4200 when it ships, the design will have a new graphics core that should run about 15 percent faster than "anything comparable" on the market, implying that NVIDIA's GeForce 9400 or 9400M may be the primary
