Nexus S has the Samsung  Exynos 3110  processor. This processor combines a 45 nm 1 GHz  ARM Cortex A8  based  CPU  core with a  PowerVR  SGX 540  GPU . The CPU core, code-named " Hummingbird ", was co-developed by  Samsung  and  Intrinsity . [12]  The GPU, designed by  Imagination Technologies , supports  OpenGL