Gigabyte GV-R645-1GI Radeon HD 6450

Built on the Radeon HD 6450, this card brings 1GB of GDDR6 memory. Clocks run from 625 up to 625 boost, drawing 150W — even modest power supplies handle it. At 182mm long it fits most mid-tower cases; display outputs: HDMI 2.1, DisplayPort 2.1. 1GB of VRAM is tight for modern AAA games — best suited to esports.

PlanMyPC's builder flags compatibility problems automatically and tracks the latest graphics card deals from multiple stores. Warranty coverage follows Gigabyte's standard policy — confirm regional terms on the listing. The full specification sheet below breaks out every listed detail, and the compatibility checker flags conflicts with parts already in your build.