Intel X-25M
Posted 11/17/08 at 04:45:56 PM | by Gordon Mah Ung
How big a deal is Intel’s entry into the solid-state-drive game? The announcement of the company’s new X-25M SSD, and a faster version for enthusiasts, all but overshadowed details of the company’s next-generation CPU at its fall developer conference.
After testing Intel’s entry-level SSD, we can understand why. The X-25M offers the fastest read speeds we’ve ever seen from a single SSD or hard drive.
How fast? The 10,000rpm Western Digital Velociraptor (reviewed September 2008) offered sustained transfer speeds of 98MB/s. The $1,500 MemoRight MR25.2-32/64S GT from our SSD roundup (November 2008) turned in read speeds of 112MB/s. The Intel X-25M hits 206MB/s read speeds.
Not all is roses though. The X-25M SSD is based on the more-affordable multilevel chip (MLC) technology. The Achilles’ heel of MLC drives is subpar write performance. For example, the RiData and Super Talent MLC-based drives in our seven-drive SSD roundup averaged write speeds of about 23MB/s. The X25-M is almost three times faster than the other MLCs, but it can’t touch the write speed of drives that are based on single-level chip (SLC) memory. The slowest SLC drives hover in the 80MB/s range, with the faster drives pushing 100MB/s.
The X-25M SSD took a hit in our Premiere Pro benchmark, in which we write an uncompressed Microsoft AVI to the drive. The Velociraptor hard drive continues to be the best performer in our Premiere Pro benchmark, with the Memoright SSD coming in a close second.
That’s probably the only thing that dampens our enthusiasm for this drive. The X-25M’s read speeds are simply to die for—you’d have to run lesser SSDs or hard drives in RAID 0 to even come close. Just think about what you’d get from two X-25Ms in RAID 0.
This is just one of many SSDs you can expect from Intel. The company plans to release a 160GB SSD next year. For enthusiasts, Intel will soon introduce the X-25E, with 250MB/s reads and 170MB/s writes. Because it will use SLC technology, though, it’ll be far pricier.
As for the X-25M, we’re unimpressed by its write performance, but since its read speeds are twice as fast as those of the other SSDs we’ve tested, and it costs about a third of what the fastest SLC drive on the market runs, we have no choice but to pronounce it Kick Ass worthy.
Other SSD reviews in our roundup:
Memoright MR25.2-032/64S GT Series
Imation Solid State Drive Pro 7000
Pushes the limits of the SATA 3GB interface!
Write speed is just average.
| Intel X25-M | Memoright MR25.2-032/645 | Western Digital VelociRaptor | |
|---|---|---|---|
| Capacity | 80GB | 64GB | 300GB |
| Average Sustained Transfer Rate Read (MB/s) | 206.65 | 112.47 | 98.31 |
| Average Sustained Transfer Rate Write (MB/s) | 64.30 | 106.60 | 98.22 |
| Random Access Read (ms) | 0.12 | 0.09 | 7.24 |
| Random Access Write | 0.09 | 1.46 | 3.42 |
| Premiere Pro (sec) | 621 | 411 | 383 |
| PCMark Vantage Overall Score | 30, 322 | 13, 527 | 6, 082 |
What About Reliability?
Submitted by statewd on Tue, 2008-12-02 13:47
Can MaxPC start doing some tests where you test the reliability / longevity of SSD drives in general? All it takes is to put in SSDs in your desktops as you guys are heavy users and see what happens after a few months. I really don't want to buy any SSD drives until I know the expected reliability.
n00b guide?
Submitted by c8503 on Tue, 2008-11-18 09:34
how about a n00b guide to installing a new SSD in your laptop? that'd have this guy for 1 buying magazines...
I understand the differences in the MLC read/write issues, but what of these rumors of longevity problems?
Intel makes SSDs viable
Submitted by StormEffect on Mon, 2008-11-17 22:20
Up until this point, SSDs were a total crapshoot. AnandTech identified the issue with random writes in the common controller in most SSDs. Intel comes out with their own SSD using their own controller, and not only does it annhilate other SSD performance (especially in MLC write performance), it manages to overcome the random write issues that exist in other controllers.
Intel is really on top of their game lately. Their SSDs are so superior to everyone else's, I just hope other companies can actually catch up! Otherwise we'll be stuck in the current AMD/Intel situation, trusting that Intel will stay focused and at least somewhat affordable.
Not worried
Submitted by Velcrow on Tue, 2008-11-18 09:05
I don't think we'll have to worry about Intel dominating the market for long. There's too many players for them all to just bow out or continue with slower hardware. The way I see it, Intel will either license the technology to others (assuming they aren't licensing it themselves), or the other players will just reverse engineer the tech and make their own versions.
The great thing is the competition they're bringing. I was surprised to hear Intel even entering the SSD market, but they've really done so with force. Bring the competition.











