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Asus X99-A Motherboard Review

We will be outlining the Asus X99-A motherboard's performance with the Core i7 5820K CPU at its stock frequency (3.6GHz due to forced turbo). Overclocked performance will be outlined later in the review.

stock-CPU-Z

By default, the Asus X99-A motherboard applies multi-core turbo (MCT) and forces the 5820K to a constant 3.6GHz when XMP is enabled. This will be displayed as the ‘stock’ setting.

A CPU VCore of around 1.056V is applied for the stock MCT configuration with our 5820K. This is a low level that is easy enough to cool even for relatively low cost CPU heatsinks.

We repeated testing with the X99-A for this full review. Previous data that we gathered with the motherboard was captured using older graphics drivers. We expect our test system's newer GPU drivers to improve performance in GPU-related tests. The BIOS version was also updated and may have a small affect on the performance of computational benchmarks.

X99 Motherboard Test System:

Compared X99 Motherboards:

Software:

  • Asus X99-A BIOS v1004.
  • Catalyst 14.9 VGA drivers.

Tests:

  • 3DMark 1.3.708 – Fire Strike (System)
  • SiSoft Sandra 2014 SP2 – Processor arithmetic, memory bandwidth (System)
  • Cinebench R15 – All-core CPU benchmark (CPU)
  • WinRAR 5.10 – Built-in benchmark (CPU)
  • HandBrake 0.9.9 – Convert 4.36GB 720P MKV to MP4 (CPU)
  • ATTO – SATA 6Gbps, USB 3.0, M.2 transfer rates (Motherboard)
  • RightMark Audio Analyzer – General audio performance test (Motherboard)
  • Bioshock Infinite – 1920 x 1080, ultra quality (Gaming)
  • Metro: Last Light – 1920 x 1080, high quality (Gaming)
  • Tomb Raider – 1920 x 1080, ultimate quality (Gaming)

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