PC Gaming Glossary
Practical explanations designed to help you understand, troubleshoot and safely improve a gaming PC.
What is VRAM?VRAM is memory dedicated to graphics workloads such as textures, render targets and geometry data.TDP, TBP and power limits explainedPower-related specifications describe different concepts depending on manufacturer and component, so they should not be treated as identical PSU-sizing numbers.What are XMP and EXPO?XMP and EXPO are memory profiles that configure frequency, timings and voltage beyond conservative default settings.M.2 vs NVMe explainedM.2 describes a physical form factor while NVMe is a storage protocol commonly used over PCIe. Not every M.2 device is necessarily NVMe.BIOS and UEFI explainedFirmware initializes hardware and exposes settings for boot, memory, CPU features, fans and platform configuration.What is frame time?Frame time measures how long each frame takes to render. Consistent frame times are important for perceived smoothness.