Diamond 6990PE54G Radeon HD 6990

Built on the Radeon HD 6990, this card brings 4GB of GDDR6 memory. Display outputs: HDMI 2.1, DisplayPort 2.1. Clocks run from 830 up to 830 boost, drawing 150W — even modest power supplies handle it. 4GB of VRAM is tight for modern AAA games — best suited to esports.

Drop it into the PlanMyPC builder to check compatibility with the rest of your parts and compare current graphics card prices across retailers. Support and warranty service run through Diamond, with terms that vary by region. The full specification sheet below breaks out every listed detail, and the compatibility checker flags conflicts with parts already in your build.