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Sapphire HD6990 4GB GDDR5
A key feature of the Sapphire HD6990 4GB GDDR5 is a switch selectable dual BIOS, which allows the user to chose a core clock speed of 830MHz or 880MHz for extreme use. Also, it is fitted with 4GB of GDDR5 memory.
Product Specification
Manufacturing Process | 40nm |
Core Clock | 830MHz |
Stream Processors | 3072 |
Stream Processor Clock | 830MHz |
Texture Mapping Units (TMUs) | 192 |
Memory Clock (DDR) | 5000MHz DDR |
Memory Bus width | 256-bit |
Memory Bandwidth | 320GB/s |
PCI Express Interface | PCIe ver 2.1 x16 |
DVI Outputs | Yes |
DisplayPort Outputs | 4 (mini-DisplayPort) |