Meet the next generation of ATI Mobility Radeon graphics

(Credit: AMD)

It's time for an update to the tiny GPUs that let your laptop watch HD videos and play World of Warcraft. AMD is looking to snag a bigger slice of the mobile graphics pie with a new series of ATI Mobility Radeon chips, called the HD4000 series. They offer Microsoft DirectX 10.1 support and the highest-end versions support GDDR5 memory.

Those break down into four categories, which are (with AMD's description of each):

ATI Mobility Radeon HD 4800 series: for gaming enthusiasts

• Amazing graphics horsepower for extreme HD gamers
• World's most powerful mobile GPU, breaks the teraflop's barrier
• World's first mobile GPU supporting GDDR5 memory

ATI Mobility Radeon HD 4600 series: optimised for high-performance thin systems

• Multimedia powerhouse delivering intense HD entertainment
• Redefine HD gaming for performance thin notebooks
• Phenomenal performance per Watt

ATI Mobility Radeon HD 4300 and 4500 series: HD performance for mainstream systems plus low-power for thin and light laptops

• Optimal design and power for ultra-thin notebooks
• Spectacular full HD 1080p video and audio support
• Breakthrough energy efficiency for long battery life

Here's a handy chart breaking down the details of the different new Mobility Radeon HD chips:

(Credit: AMD)