Mandeep Singh is a well-known YouTube influencer based in India, who operates under the channel name 'Budget PC Gamers'. They have made a name for themselves by benchmarking budget gaming setups, providing valuable insights to their audience. Mandeep's expertise lies in testing a variety of GPUs and CPUs, which include brands like AMD and Nvidia. They currently have an impressive collection of GPUs such as AMD RX 7600, AMD RX 6600, AMD RX 570 4GB, Nvidia GTX 1660 Super, Nvidia RTX 3050, Nvidia RTX 4060, Nvidia GTX 1650 and Nvidia RTX 4050. In terms of CPUs, they have Ryzen 5 5600X, Ryzen 5 3500, and Ryzen 3 1300X. Mandeep's detailed reviews and tests provide a comprehensive guide for those looking to build or upgrade their gaming setups on a budget.