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G.Skill FM-25S2S-64GB SATA-II MLC SSD E-mail
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Written by Olin Coles   
Monday, 15 December 2008
Table of Contents: Page Index
G.Skill FM-25S2S-64GB SATA-II MLC SSD
First Look: G.Skill MLC SSD
SSD Testing Methodology
System Speed Test Benchmarks
HD Tach RW Benchmarks
ATTO Disk Benchmarks
PCMark05 Benchmarks
Windows XP Startup Times
The Truth Behind Heat Output
Solid State Drive Final Thoughts
FM-25S2S-64GB Conclusion

SSD Testing Methodology

EDITORS NOTE: Please read Solid State Drive (SSD) Benchmark Performance Testing to understand how the benchmarks used in this article should be interpreted.

Solid State Drives have traveled a long winding course to finally get where they are today. Up to this point in technology, there have been several key differences separating Solid State Drives from magnetic rotational Hard Disk Drives. While the DRAM-based buffer size on desktop HDD's has recently reached 32 MB and is ever-increasing, there is still a hefty delay in the initial response time. This is one key area in which flash-based Solid State Drives continually dominates because they lack moving parts to "get up to speed".

However the benefits inherent to SSD's have traditionally fallen off once the throughput begins, even though data reads or writes are executed at a high constant rate whereas the HDD tapers off in performance. This makes the average transaction speed of a SSD comparable to the data burst rate mentioned in HDD tests, albeit usually lower than the HDD's speed.

Test System

  • Motherboard: Gigabyte GA-EX58-EXTREME (Intel X58 Chipset) with version F4e BIOS
  • Processor: Intel Core i7-920 BX80601920 2.667 GHz
  • System Memory: Corsair Dominator Tri-Channel DDR3
  • Operating System: Windows XP Professional SP-3 (optimized to 16 processes at idle)

Disk Hardware

Since the Gigabyte GA-EX58-EXTREME motherboard we used for testing is equipped with a JMicron JMB322 SATA controller with four additional SATA-II ports, all tests were conducted on this HBC drive controller.

Test Tools

Comparing a Solid State Disk to a standard Hard Disk Drives is always relative; even if you're comparing the fastest rotational spindle speeds. One is going to be many times faster in response (SSD's), while the other is usually going to have higher throughput bandwidth (HDD's). Additionally, there are certain factors which can effect the results of a test which we do our best to avoid.

Nevertheless there will be some tests which will not be completely representative of the individual product tested, but a combination of the product and supporting system hardware. An excellent example of such a test is the write-to bandwidth benchmarks, which rely on other system components to force data onto the drive along with the bus bandwidth to support it. This dependency on system hardware is why you will see Benchmark Reviews place an emphasis on read bandwidth over write tests.



 

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