Ati radeon hd graphics cards4/6/2024 The GPU is operating at a frequency of 850 MHz, memory is running at 975 MHz (3.9 Gbps effective).īeing a dual-slot card, the ATI Radeon HD 4890 draws power from 2x 6-pin power connectors, with power draw rated at 190 W maximum. ATI has paired 1,024 MB GDDR5 memory with the Radeon HD 4890, which are connected using a 256-bit memory interface. It features 800 shading units, 40 texture mapping units, and 16 ROPs. The RV790 graphics processor is an average sized chip with a die area of 282 mm² and 959 million transistors. Since Radeon HD 4890 does not support DirectX 11 or DirectX 12, it might not be able to run all the latest games. Built on the 55 nm process, and based on the RV790 graphics processor, in its RV790 XT variant, the card supports DirectX 10.1. The Radeon HD 4890 was a performance-segment graphics card by ATI, launched on April 2nd, 2009.
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