XFX Radeon HD 4890 XXX 1GB video card review
 

With AMD's latest high-end Radeon HD 4890 SKU, and the RV790 architecture which powers it, now well and truly established on the market, today we take a look at another factory overclocked part utilising just this configuration. XFX's Radeon HD 4890 XXX promises a modest core clock speed boost to add to the equation, so how does it fare in gaming performance terms?

Compared to an AMD reference part, XFX's Radeon HD 4890 XXX keeps the same memory clock speed as that reference board, but sees its core clock speed boosted by 50MHz to a new 900MHz speed for its RV790 core.

XFX's offering also sticks with AMD's recognisable reference, dual-slot cooler, designed to exhaust hot air out of the rear of the system chassis. Power is supplied by a pair of six-pin PCI Express power connectors as you might expect.

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