CPU stands for Central Processing Unit. It is the brain of a computer because it handles all the tasks that a user performs on his/her computer. All the arithmetic and logical calculations required to ...
Explore the 2026 ARM vs x86 battle—comparing processor architecture, CPU performance, and energy efficiency to reveal which chip design leads modern computing innovation.
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How We Test Processors

The process of reviewing desktop CPUs at PCMag carries on core traditions that date back to the establishment of PC Labs in 1984: We compare each CPU in its category based on price, features, upgrades ...
An important factor to consider when deciding to purchase any laptop computer is the characteristics of the central processing unit, or CPU. Most processors found in consumer-grade notebooks are made ...
Major hypervisor vendors such as VMware and Microsoft have long supported the ability to move a running virtual machine (VM) from one host server to another without downtime. Such a migration requires ...