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How We Tested

In our test sessions, we used the configuration listed next. In the two test sessions, the components were the same, and the only difference was the memory configured as single or dual-channel.

Hardware Configuration

  • Processor: Core i7-5775C
  • Motherboard: ASRock Z97 Extreme4
  • CPU cooler: Intel standard
  • Memory (16 GiB): DDR3-1866, two 8 GiB G.Skill Sniper F3-1866C10D-16GSR modules, configured at 1,600 MHz, 11-11-11-28 latencies
  • Memory (8 GiB): DDR3-2133, two 4 GiB G.Skill RipjawsZ F3-17000CL9Q-16GBZH modules, configured at 1,600 MHz, 11-11-11-28 latencies
  • Memory (4 GiB): DDR3-2133, one 4 GiB G.Skill RipjawsZ F3-17000CL9Q-16GBZH module, configured at 1,600 MHz, 11-11-11-28 latencies
  • Boot drive: Kingston HyperX Savage 480 GB
  • Video card: Zotac GeForce GTX 970 4 GiB
  • Video monitor: Philips 236VL
  • Power supply: Corsair CX500M

Operating system configuration

  • Windows 7 Home Premium 64-bit
  • NTFS
  • Video resolution: 1920 x 1080 60 Hz

Driver version

  • NVIDIA driver version: 355.60
  • Intel INF driver version: 10.0

Software used

Error Margin

We adopted a 5% error margin. Thus, differences below 5% cannot be considered relevant. In other words, products with a performance difference below 5% should be considered as having similar gaming performance.

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Rafael Otto Coelho is a physicist with a master’s degree in Education, and is a college professor in Brazil.