G.Skill RipjawsX PC3-14900 Cas 9 Reviewajmatson - August 21, 2011
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To test the G.Skill RipjawsX modules, I will be putting them through a test regiment consisting of several benchmarks that are designed to put the memory through its paces. To keep every result as fair as possible without interference from other variables, all untested hardware will be kept at the same speeds, timings, and latencies throughout every run. For the same reason, each set of memory will be run at their rated speed and latency. They will then be raised to their maximum frequencies to show how they differ on overclocking abilities.
- Processors: AMD Phenom II X6 1100T
- Motherboard: ASUS Crosshair V 990FX Motherboard
- Memory: G.Skill RipjawsX Series 1866MHz 9-10-9-28 1.5v
- Video Card: XFX Radeon HD 6970
- Power Supply: Mushkin 1000W Joule Modular power supply
- Hard Drive: 1 x Seagate 1TB SATA
- Optical Drive: Lite-On Blu-ray
- Case: Corsair Graphite Series 600T
- OS: Windows 7 Professional 64-bit
- Comparison Module #1: Mushkin Blackline 996995 1600MHz 9-9-9-24 (2 x 4GB)
- Comparison Module #2: G.Skill Flare F3-16000CL7D-4GBFLS 2000MHz 7-9-7-22 (2 x 2GB)
CPU-Z: This application displays the settings that we have chosen in the BIOS. Items shown in this application include CPU speed and bus settings, motherboard manufacturer, BIOS revisions, memory timings, and SPD chip information.
Task Manager: We use this utility to show physical memory, kernel memory, page file, and processor usage.
G.Skill Overclocked settings:
- Processor: AMD Phenom II X4 1100T
- Memory: G.Skill RipjawsX 8GB 9-10-9-28 2000MHz
The stock clock speed rating on these G.Skill modules is 1866MHz. To overclock them, I played with the reference clock to raise the memory speed and also kept the CPU speed as close to stock as possible - this is to ensure that added performance is due to the memory rather than the system as a whole. My goal was to increase the memory frequency as much as I could while keeping the latency timings low. In my efforts, I was able to push this set to 2000MHz before receiving errors in Memtest86+ and losing stability. I did attempt to loosen the timings to 10-10-10-28 and push higher than 2000MHz, but it resulted in dropped performance. Thus, the overclocked tests were run with these modules at 2000MHz with stock latency timings.
The maximum overclocked memory speed for each set of modules is only indicative of our results while running on this test system. Results may differ based on the capabilities of your own hardware. Therefore, your mileage may vary!
The benchmarks used in this review include the following:
- CPU-Z Version 1.54
- Windows Task Manager
- PCMark Vantage
- Geekbench 2.1
- Super PI 1.5
- SiSoft Sandra 2011
- Batman Arkham Asylum