In terms of performance, the AMD Mobility Radeon HD 5000 series offered significant improvements over its predecessors. The HD 5870, for example, was capable of delivering up to 2.5 times the performance of the previous-generation HD 3800, making it one of the fastest mobile GPUs available at the time.
Another important feature of the AMD Mobility Radeon HD 5000 series was its support for AMD's PowerTune and PowerPlay technologies. These technologies allowed the GPU to dynamically adjust its power consumption and clock speed based on system workload, helping to reduce power consumption and prolong battery life. amd mobility radeon hd 5000