As more and more users begin to wonder: which processors are the most secure – Intel or AMD. Tom’s Hardware decided to find out, having done a great job comparing the products of both manufacturers and identifying their shortcomings.In January 2018, a team of Google Project Zero security researchers and other independent experts revealed the vulnerabilities of processors called Meltdown and Specter. In the future, this led to other similar vulnerabilities that affected Intel chips to a greater extent, which made Hyper-Threading technology unsafe. The vast majority of execution attacks do not affect AMD processors, with the exception of a few Specter variations.Corrections from all of these vulnerabilities slowed the operation of systems based on Intel processors by about five times compared to AMD. But even before the discovery of Meltdown and Specter, Intel had big problems with the Management Engine (ME) subsystem, which affected all the company’s processors since 2008. Due to fears that this might be the “official” backdoor, some computer manufacturers have begun offering laptops with ME disabled by default. AMD had similar problems with the AMD Secure Processor (PSP) subsystem, which is an analog of the Intel Management Engine. Since 2017, at least three PSP vulnerabilities have been discovered along with 13 security issues that affected AMD Zen-based processors in subsequent years. Experts divided them into four categories: Ryzenfall, Chimera, Fallout and Masterkey. In general, Intel processors currently have 242 open vulnerabilities, while AMD has only 16 of them.Ryzen processors have more advanced hardware memory encryption features such as Secure Memory Encryption (SME) and Secure Encrypted Virtualization (SEV). They were created in response to Software Guard eXtensions (SGX) and Intel’s Total Memory Encryption (TME). With the advent of the Zen architecture, AMD has taken the lead in supporting new hardware encryption features. Intel is trying to fix everything and regain the consumer’s location, but AMD is looking preferable now. At least in the short term, for sure. According to the calculations of Tom’s Hardware, the overall result was 5: 1 in favor of the “red”.