On the example of the reference ATI RADEON HD 4850 512MB DDR3 625/625/2000 MHz PCI-E.

Features:

• GPU: RADEON HD 4850 (RV770) DirectX 10.1
• 512 MB GDDR3 SDRAM in 8 Qimonda chips; 1000 (2000) MHz peak clock rate
• Interface: PCI-Express x16
• GPU (ROPs/Shaders) clock rate: 625/625 MHz (nominal)
• Memory clock rate, physical (effective): 1000 (2000) MHz (nominal)
• Bus width: 256-bit
• Vertex processors: -
• Pixel processors: -
• Unified processors: 800
• Texture processors: 40 (BLF/TLF)
• ROPs: 16
• Size: 220x100x16 mm (the latter is max. width)
• PCB color: red
• RAMDACs/TDMS: integrated into GPU
• Outputs: 2 x DVI (Dual-Link/HDMI), TV-out (integrated into GPU)
• VIVO: -
• Multi-GPU: Hardware CrossFire