The Radeon HD 4890 was a performance-segment graphics card by ATI, launched on April 2nd, 2009. Built on the 55 nm process, and based on the RV790 graphics processor, in its RV790 …

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Apr 2, 2009 · So where, exactly, does the Radeon HD 4890 fall with regard to AMD’s own lineup and Nvidia’s contenders? Let’s take a closer look at the card, its GPU, DirectX 10.1, …

Sapphire's new HD 4890 comes with 1 GB of GDDR5 memory and yet unseen clock speeds offering much better performance at a competitive price. Will that be enough to beat NVIDIA's …

Apr 1, 2009 · We have three HD 4890 reviews for you today: Powercolor HD 4890 (this review), Sapphire HD 4890 and AMD HD 4890 CrossFire . While AMD has been sending out …

The Radeon HD 4890 comes with 2 GB of GDDR5 memory, clocked at 975 MHz. It has a 256 bit wide memory bus, which results in 124.8 GB/s memory bandwidth. The GPU supports PCI …

Apr 2, 2009 · The HD 4890 still features 800 stream processors, 40 texture units, and 16 ROPs, communicating across a 256-bit wide interface to1GB of GDDR5 memory. However, this new …

It features 0.959 billion transistors, 10 Rendering cores and 1024MB GDDR5 memory, with 256KB L2 cache, theoretical performance of 1360GFLOPS, with total power consumption of …

Apr 2, 2009 · AMD is rolling out the ATI Radeon HD 4890 today, technically a new graphics card, but one that borrows heavily from the previous generation. The Radeon HD 4890 is based on …