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Diamond Multimedia Radeon HD 4770 (part number 4770PE5512) Graphics Processing Unit for desktop market segment is based on ATI Radeon HD 4770. The GPU is built on 40 nm technology. The card has 750 MHz graphics clock frequency. Furthermore, it has 640 stream processors, 32 texture units, along with 16 color ROPs. The Radeon HD 4770 incorporates 512 MB of GDDR5 memory. Because the memory runs at 800 MHz, and utilizes 128 bit bus, the effective memory bandwidth is 51.2 GB/s. The GPU supports PCI Express 2.0 interface, and requires 2 slots on the motherboard. The maximum power consumption of this model is 80 Watt, same as on the reference design.
Below you will find detailed specs of the Diamond Multimedia Radeon HD 4770 graphics card.