As of my last update in September 2021, it is difficult to provide a definitive list of the "top 3 computers" because the technology landscape is constantly changing. However, I can give you an idea of some of the top-performing computers and categories of computing devices up to that point. Keep in mind that newer and more powerful computers may have been released since then. Here are three types of computing devices that were considered high-performing at the time:
Supercomputers: Supercomputers are used for high-performance computing tasks such as weather modeling, scientific simulations, and complex data analysis. As of September 2021, some of the top supercomputers were:
Fugaku (Japan): Developed by RIKEN and Fujitsu, Fugaku was considered the most powerful supercomputer in the world at the time.
Summit (USA): Located at Oak Ridge National Laboratory, Summit was developed by IBM and NVIDIA and was among the most powerful supercomputers.
Sierra (USA): Another supercomputer at the Lawrence Livermore National Laboratory, developed by IBM and NVIDIA.
Gaming PCs: For gaming enthusiasts, high-end gaming PCs were some of the most powerful consumer-grade computers available. These PCs featured top-of-the-line processors, graphics cards, and ample RAM for smooth gaming experiences.
Workstations: Workstations are powerful computers used for professional applications such as video editing, 3D modeling, and CAD design. As of 2021, some of the top workstation computers were built by companies like Dell, HP, and Lenovo, and they often featured powerful processors like Intel Xeon or AMD Ryzen Threadripper, along with workstation-grade graphics cards.
It's essential to remember that the technology landscape evolves rapidly, and newer and more powerful computers are continuously being developed. For the most up-to-date information, it's best to refer to recent reviews, benchmarks, and technology news.