Display outputs include: 1x DVI, 1x HDMI, 1x DisplayPort. The GPU is operating at a frequency of 600 MHz, memory is running at 655 MHz.īeing a single-slot card, the ATI Radeon HD 4550 does not require any additional power connector, its power draw is rated at 25 W maximum. ATI has paired 256 MB DDR2 memory with the Radeon HD 4550, which are connected using a 64-bit memory interface. It features 80 shading units, 8 texture mapping units, and 4 ROPs. The RV710 graphics processor is a relatively small chip with a die area of only 73 mm² and 242 million transistors. Since Radeon HD 4550 does not support DirectX 11 or DirectX 12, it might not be able to run all the latest games. Built on the 55 nm process, and based on the RV710 graphics processor, in its RV710 variant, the card supports DirectX 10.1. The Radeon HD 4550 was an entry-level graphics card by ATI, launched on September 30th, 2008.