What is radeon hd 4850?

The Radeon HD 4850 is a graphics card produced by AMD. It was released in June 2008 and was targeted towards the mid-range market. The card featured 800 stream processors and 512MB or 1GB of GDDR3 memory. It was built using a 55nm manufacturing process and had a core clock speed of 625MHz. The card supported DirectX 10.1, OpenGL 3.3, and Shader Model 4.1. It had a maximum resolution of 2560x1600 and supported several display outputs, including DVI, HDMI, and DisplayPort. The Radeon HD 4850 competed with NVIDIA's GeForce 9800 GTX and was considered one of the best value-for-money graphics cards of its time.