Accelerated Computing instance are types of instances which use hardware accelerators or co-processors which perform some functions e.g. floating-point number calculation, graphics processing and more efficiently than is possible in software running on different CPUs. In EC2 you are provided three types of Accelerated Computing instances – GPU compute instances that is for general-purpose computing, GPU graphics instances that is for graphics intensive applications, and FPGA programmable hardware compute instances which is used for advanced scientific workloads.