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Asus X99-A Motherboard Review

We will outline the performance increases that can be obtained from using the Asus X99-A motherboard to overclock our system. Our overclocked processor frequency was 4.5GHz and memory speed was 2400MHz.

As a performance comparison, we have included the overclocked results from two other X99 motherboards. The maximum overclocked configuration achieved with each board was a 4.5GHz processor frequency and 2400MHz memory speed.

oc 3dmark

oc cinebench

oc bioshock

Asus' X99-A reacts well to a 900MHz boost in CPU frequency. The board manages a joint-top finish in Cinebench and remains competitive with the MSI offering in 3DMark's Physics test.

Bioshock Infinite performance is where the X99-A really shines. While MSI's X99S MPower dropped its gaming performance with a CPU overclock (a very odd issue that we still do not have a clear explanation for), the Asus board was able to maintain the vast majority of its stock-clocked FPS level.

That frame rate retention opens up a 2.2% performance gap between Asus' board and the competing solutions (although Gigabyte had other, more significant issues).

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One comment

  1. Luke, fantastic review. I am interested in two things.

    Firstly, is the M.2 slot physically blocked by a second graphics card. For example, 2x4GB EVGA GTX 980? This card extends the whole width of this motherboard and I suspect the second card would occupy the third PCIe slot (PCIEX16_3 on the schematic). Due to the thickness of the card, I am worried that the M.2 slot is obscured.

    Secondly, what benefit would I or other readers experience in your opinion by upgrading to the x99 Deluxe motherboard given the following components:
    > Intel Core i7 5960X Haswell-E 8 Core
    > 2x 4GB EVGA GTX 980
    > 8x8GB Corsair DDR4 Vengeance
    > 250GB Samsung 840 EVO Basic SSD SATA III

    Thanks for your thoughts.