Solid State Drive Performance Comparison Guide
The solid state drive (SSD) is a new and relatively niche storage medium, but one that is slowly but steadily eating away at the universality of the hard disk drive. After all, solid state drives offer some big advantages over hard disk drives - extremely fast random accesses, absolutely silent operation, ability to withstand tremendous amounts of shock, vibration and atmospheric pressure (or the lack thereof).
Of course, this doesn't spell the end of the ubiquitous hard disk drive. In fact, the hard disk drive is expected to soldier on for the next few decades thanks to the industry's ability to continuously innovate to keep ahead of the curve. Until solid state drives can deliver the hard disk drive's ultra-low cost per MB and cavernous storage capacity, the hard disk drive is here to stay.
As far as solid state drive enthusiasts are concerned though, the high cost and low storage capacities are just niggling issues, worthy of nothing more than a snort or two. Anyone who can afford a solid state drive expects blazing throughputs and super-fast access times. This is where the Solid State Drive Performance Comparison Guide comes in.
This comparison guide will compare the performance of all the solid state drives we can get our hands on. This would be similar to our Hard Disk Drive Performance Comparison Guide. It may start off small, but we intend to keep adding new solid state drives and even new benchmarks as we go along. Let's take a look at the solid state drives we have rounded up for this comparison.
The Solid State Drives
Model |
Segment |
Capacity |
NAND |
Buffer |
Interface |
Additional |
OCZ Vector |
2.5" Mobile |
256 GB |
MLC |
512 MB |
SATA 6 Gb/s |
|
Western Digital SiliconEdge Blue |
2.5" Mobile |
256 GB |
MLC |
64 MB |
SATA 3 Gb/s |
|
HyperX Savage |
2.5" Mobile |
240 GB |
MLC |
256 MB |
SATA 6 Gb/s |
|
Intel 520 Series (25 nm) |
2.5" Mobile |
240 GB |
MLC |
NA |
SATA 6 Gb/s |
|
Intel X25-M G2 (34 nm) |
2.5" Mobile |
160 GB |
MLC |
NA |
SATA 3 Gb/s |
|
Super Talent UltraDrive GX |
2.5" Mobile |
128 GB |
MLC |
64 MB |
SATA 3 Gb/s |
|
Western Digital Black² |
2.5" Mobile |
120 GB |
MLC |
128 MB |
SATA 6 Gb/s |
|
OCZ Vertex 2 (E) |
2.5" Mobile |
120 GB |
MLC |
64 MB |
SATA 3 Gb/s |
|
Intel X25-M G2 (34 nm) |
2.5" Mobile |
120 GB |
MLC |
NA |
SATA 3 Gb/s |
|
Corsair F90 |
2.5" Mobile |
90 GB |
MLC |
NA |
SATA 3 Gb/s |
|
OCZ RevoDrive |
PCIe Desktop |
80 GB |
MLC |
NA |
PCI Express |
|
Kingston SSDNow V+ (Gen 2) |
2.5" Mobile |
64 GB |
MLC |
128 MB |
SATA 3 Gb/s |
|
OCZ Enyo |
Portable Drive |
64 GB |
MLC |
64 MB |
USB 3.0 |
|
OCZ Agility 2 (E) |
2.5" Mobile |
60 GB |
MLC |
NA |
SATA 3 Gb/s |
|
Kingston SSDNow V (Gen 2) |
2.5" Mobile |
30 GB |
MLC |
64 MB |
SATA 3 Gb/s |
Testing The SSDs
The Testbed
Processors |
|
Motherboard |
|
Memory |
4 x 2 GB DDR3-1333 modules |
Graphics Card |
|
Hard Disk Drives |
256 GB OCZ Vector |
Operating System |
Testing Methodology
We tested the drives in Microsoft Windows 7 and Microsoft Windows Vista, with the latest updates. We chose to use AS SSD, ATTO, IO Meter 2008 as well as our "old faithful", WinBench 99 2.0, with the following tests :
- Platter Data Transfer Profile
- Business Disk WinMark 99
- High-End Disk WinMark 99
- Disk Transfer Rate (Beginning)
- Disk Transfer Rate (End)
Business Disk WinMark 99 is a real-world simulation based on three office application suites - Microsoft Office 97, Lotus SmartSuite and Corel WordPerfect Suite 8, as well as a web browser, Netscape Navigator. They are quite dated, but should still reflect the usage patterns of users in an office environment using such applications. The test runs through a script that keeps multiple applications open, while it performs tasks that switches between those applications and Netscape Navigator. The result is the average transfer rate during the script run.
High-End Disk WinMark 99 is a real-world simulation based on AVS/Express 3.4, FrontPage 98, MicroStation SE, Photoshop 4.0, Premiere 4.2, Sound Forge 4.0 and Visual C++ 5.0. However, it differs by running the applications serially, instead of simultaneously. There are individual results for each application but in this comparison, we will be looking only at the weighted average score, which is the average transfer rate during the tests.
Unfortunately, WinBench 99 seemed to have some issues with Windows Vista and Windows 7. It would register a SetFilePointer error in the Disk Access Time test. So, we were not able to obtain any Disk Access Time results.
The IO Meter 1.1.0 RC1 tests were carried out with the alignment set at 4 KB. In addition, we tested each drive with repetitive (compressible) and random (non-compressible) data, and used the average of the two results. This will give us a more accurate representation of how the drive will perform in real life.
The case temperature results were obtained using a Fluke 62 Mini infra-red thermometer. The Load temperature test was carried out after at least 5 minutes running IO Meter (512 KB sequential read), with IO Meter continuing to run. The drives were allowed to idle for a minimum of 15 minutes before the Idle temperature test was performed. A minimum of 5 test spots were examined on each case, with the maximum test result used.
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Introduction |
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Real World |
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Synthetic Tests |
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Conclusion |
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