APU A4-5100 Quad-Core is a low end mobile processor based on the 28nm, Jaguar micro-architecture.
It offers 4 Cores clocked at 1.55GHz 2MB of L2 Cache. It features integrated Graphics called Radeon HD 8330G which offer 128 Shader Processing Units and perform on level with Intel HD 4000. The max memory speed supported by the CPU is DDR3-1600. It consumes up to 15 Watt.
Its performance is relatively weak and so this CPU is still a bottleneck even for performance cards such as Radeon HD 7850M/GeForce GTX 660M.