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Diamond Multimedia Radeon HD 4870 XOC (part number 4870PE5512DTXOC) is a Graphics Processing Unit, based on ATI Radeon HD 4870 GDDR5, and produced on 55 nm technology. The GPU is targeted at desktop market segment. The card has 795 MHz graphics clock frequency. It also has 800 stream processors, 16 color ROPs, together with 40 texture units. The Radeon HD 4870 XOC comes with 512 MB of GDDR5 memory. Because the memory is clocked at 1.1 GHz, and utilizes 256 bit bus, the effective memory bandwidth is 140.8 GB/s. The GPU supports PCI Express 2.0 interface, and requires 2 motherboard slots. The maximum power consumption of this model is 130 Watt, identical to the reference design.
Please see below for detailed specifications of the Diamond Multimedia Radeon HD 4870 XOC card.