Benchmark Results: Power And Efficiency
Power Consumption
We measured idle power that was, in fact, higher than what the Seagate's specifications claim: 1.3W as opposed to 0.8W stated in the datasheet.
Power consumption in the workload tests was equivalent to other 7,200 RPM drives, with the exception of full HD video playback, at which the Momentus XT is a bit power hungry.
Efficiency
The Momentus XT isn’t leading in performance per watt because of power consumption comparable to the competition, while throughput on IOmeter is a bit slower in our testing.
Power efficiency in workstation I/O activity is better, though, as the I/O performance numbers on the Momentus XT are superior.
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Well that was a bit of an anti-climax.
So they managed to repeat the failures of the last attempt at hybrid drives then?
Anti-climax does not even begin to cover the disappointment.
I had high hopes for longer battery life, but without improvements
there is no scenario I can think of where this drive has any advantage.
Combien?
At Anand they reran every benchmark until the background optimization was done. At that point, it significantly outperformed any other 2,5" HDD. Its performance was just about exactly halfway between a HDD and a true SSD, which is quite good...
What's the price of these things anyway? If they're not much more expensive they might be worth it if you're in the market for a new drive. I wouldn't replace a perfectly good drive with one of these. The performance increase is way too small for that.
Isn't the point of this drive that the most used applications will make more use of the SSD, to 'learn' the user? And that can't really be tested effectively.
I just wish they were doing an IDE flavoured set of these drives (or just the 500gb one).... My laptop is rather long in the tooth but still does everything I want it to do so have no plans on replacing it. However storage space is always an issue and the speed bump would be a great boost.
Yes it would be handy if they gave some extra battery life, but really thats not an issue for me as my battery is dead, and it lives off the mains anyway.
This is stupid. None of these test real world performance of often used programs, which is what the drive is good at. Look at any other sites who actually test the drive correctly. From Boot to Windows, opening web browser, office, and other commonly used files. You will see the performance is well worth the slightly higher price.
How about boot performance after a couple boots?
As others have said, according to benchmarks at other sites this drive is much faster for booting and application loading, much more like an SSD and having a good amount of storage. Maybe it isn't quite worth the 90 quid it came up on google shopping as, but it's still a nice improvement in some areas once it's gotten used to doing it.
How can you review this drive if you don't even understand how it works!! The anandtech.com site was much more informative. The drive is no SSD but neither is it a turkey like this review implies.
The 4Gb SLC NAND flash storage area is used as a read cache which mirrors frequently accessed data from the rotating harddisk media. Therefore you must _rerun_ benchmarks to see the access time improvements (the initial runs/accesses will be at the speed of the conventional harddisk).