Seagate 1TB Laptop vs. SSHD Toshiba 500GB SSHD MQ01ABF050H: 2.5 “SSHD’s compared

Seagate 1TB Laptop vs. SSHD Toshiba 500GB SSHD MQ01ABF050H: 2.5 "SSHD's compared

For those who only has room for one drive in his laptop and is looking for a combination of cheap storage with large capacity and better performance, SSHD is a good option. In this review we will compare the Seagate 1TB Laptop SSHD and Toshiba MQ01ABF050H 500GB, both 2.5 “copies intended for laptops.

We have last year’s SSHD repeatedly discussed on the site. A SSHD is, in fact, a conventional hard disk drive, but with a small amount of flash memory that is used as a buffer. When the disk good buffer algorithms used will writes first exported to the fast flash memory and when the drive is idle be put to the conventional magnetic disks. At the same time trying to predict an SSHD what data is needed in the future and already put ready in the flash area. When the algorithms are less complex, it will save a SSHD at least the most frequently used data in flash.

How exactly works buffer algorithms SSHD of different brands is not known. To the outside world is a SSHD essentially a black box: the operating system looks really just a “normal” hard disk and does not realize that it is a SSHD. All logic in terms of caching and buffering in the drive itself, with the sole exception drives using SATA Hinting.

Seagate 1TB Laptop vs. SSHD Toshiba 500GB SSHD MQ01ABF050H: 2.5 "SSHD's compared

The Seagate Laptop SSHD we discussed in June 2013 all the 500 GB version. Toshiba we tested just the end of 2013 all the 1TB version. Now we received so precisely Seagate 1TB copy and Toshiba’s 500GB one. On the basis of different benchmarks we sought out or Seagate, Toshiba or just have the best offer for laptops.

Seagate 1TB Laptop SSHD

Seagate 1TB Laptop SSHD is a 2.5 “drive with a Serial ATA 600 interface. Internally the disc by using two platters of 500GB each, which their laps run at 5400 rpm. Where the 500GB version of Seagates laptop SSHD (single platter) but 7mm thick – and so is also known as thin laptop SSHD – this drive has the usual thickness of 9.5mm this he still fits in almost all laptops, at most a few very thin Ultrabooks. after.

Seagate 1TB Laptop vs. SSHD Toshiba 500GB SSHD MQ01ABF050H: 2.5 "SSHD's compared

The flash memory buffer is 8 GB and consists of a Samsung K9LCGY8S1B-HCK0 MLC flash chip. The disk further has a DRAM cache of 64MB. Seagate eASIC 50415 chip, together with an LSI 869002V0 for controlling the whole. Both chipsets we do not exactly understanding what exactly they do.

Seagate gives the disc 3 year warranty. The average price at the time of writing € 85. This is similar to the previously tested Toshiba 1TB SSHD.

Toshiba 500GB SSHD MQ01ABF050H

Toshiba drive is also based on 500GB platters, which in this 500GB model so obviously one is present. Like the Seagate Laptop Thin SSHD is this Toshiba just 7mm thick, it fits into even the thinnest Ultrabooks, provided they have a 2.5 “position.

Seagate 1TB Laptop vs. SSHD Toshiba 500GB SSHD MQ01ABF050H: 2.5 "SSHD's compared

Also, this drive features a Serial ATA 600 interface and again turn the platter at 5400 rpm. There is 8GB of flash memory on board, carried out through a – how could it be otherwise – Toshiba SLC chip. The latter is potentially an advantage: since it is at constant SSHD’s buffered, is the presence of a SLC-chip with high endurance, in theory, an advantage. A combination of a paralyzed 58NC7710CGH and Marvell 88I9317 chip ensure the management of the whole.

Unlike Seagate, Toshiba has just two years warranty on her laptop SSHD’s. The average price of the product is € 67, a few dollars more expensive than the previously tested Seagate 500GB SSHD.


We tested the Toshiba MQ01ABD100H and compared with our previously reviewed notebook SSHD, various conventional 2.5 “hard drives and two SSDs. So we have compared an idea of the performance of the drive with conventional hard drives and real SSDs.

Seagate 1TB Laptop vs. SSHD Toshiba 500GB SSHD MQ01ABF050H: 2.5 "SSHD's compared

We have a number of tests performed on the SSHD’s. First, of course, performance benchmarks. The HD Tune benchmark shows us include the average throughput and average access time of the drives. Via the Atto benchmark we see how fast his drives to read and wrote small (4KB) and larger (1MB) files four at a time. The main benchmarks, however, PCMark 7 and PCMark 8. Both are based on the hard disk activity of real applications, the first from the Windows 7 era, the second from the Windows 8 era.

Especially for the SSHD’s we have PCMark 8 also turned many times to measure the variation in performance.

In addition to performance testing, we also measured the power consumption and noise of the SSHD, both idle and in use during a random access test. The noise we measured in a soundproof cabinet at a distance of 10 centimeters.

In all graphs previously tested hard drives and SSDs blue green. The SSHD are red.

Test results: PCMark7

PCMark7 uses traces based on software from the Windows 7 era. Because this benchmark uses real and modern applications, this (along with PCMark 8) is actually the most important benchmark for deciding what your hard drive or SSD, you’re going to buy base. PCMark7 play the traces in real time. It left the scores of similar products very close together, but they do have to be translated to excellent reality. Twice as high score PCMark7 means that such a task in practice is really twice as fast.

The PCMark7 score is determined on the basis of the average of three runs.

In the graph we see that conventional 2.5 “laptop hard drives have a score of 1500 points magnitude. The Samsung 850 Evo SSDs we’ve incorporated by reference in the chart pick like most other SSDs a score above 5000 points . that to correlate with the “feeling” that a laptop with SSD in use certainly 3x faster than a hard drive.

The SSHD’s sitting in the middle, with the Toshiba drives clear what outperform. The Toshiba MQ01ABD100H comes at 3755 points, where the Seagate 1TB Laptop SSH comes at 3239 points.

Test results: PCMark8

The storage benchmark PCMark8 is again based on traces, but now modern software from the Windows 8 era. PCMark8 contains traces of Adobe Photoshop, Adobe Illustrator, Adobe InDesign, Adobe After Effects, Microsoft Word, Microsoft Excel, Microsoft PowerPoint, World of Warcraft and Battlefield 3. The total score is calculated by taking the geometric mean of the different parts. Again the traces in real time play, so including idle time. The score is just as with PCMark7 based on an average of three runs.

In addition to the standard score PCMark8 also shows the underlying average speed at which the hard disk activity traces is played. This is no idle time and again shows the actual underlying performance differences of the HDDs and SSDs SSHD.

When we got the 500GB version of the Seagate Laptop SSHD was tested PCMark 8 not yet available, so that score we should miss. The same applies to the PCMark 8 scores of most 2.5 “hard drives.

In PCMark 8, we see that the normal WD Scorpio 2.5 “HDD just above the 2000 points Toshiba SSHD are faster, but a jump like PCMark 7 we do not see:. It seems almost that much more complex and longer Traces of PCMark 8, which correspond to how software works today, make sure that the caching algorithms Toshiba less from the paint Seagate Laptop SSHD 1TB is above 3000 points;. clearly better than HDDs, but obviously not yet level SSDs.

Test results: 12x PCMark8

To analyze whether the caching algorithms of the SSHD’s so ingenious that the drives are also faster the more often you do the same tasks, we have the 8 PCMark test 12 times in a row with one run turned a time. The table below shows you both the Storage Score as also think of each run the Bandwidth.

The test shows than in both cases it is not the performance of growth observed. In fact, Toshiba achieves its best score in this case even in the first run. On this basis we dare cautiously conclude that the caching of both disks is pure love combining writes caches and last used data in flash. The good news is that the discs all right the first time you have a workload executes quickly ller than conventional hard drives, but a growth in performance so that you do not expect.

Incidentally, we also run a similar test with the antique PCMark Vantage benchmark, where we also found no performance growth.


We continue laptops enthusiastic about the concept of SSHD’s: if you only have space for one drive with a SSHD have the best of both worlds: high performance, storage capacity and a low price. Note that if you have space for two disks (for example, one or mSATA or M.2 module combined with a 2.5 “drive) then the combination of an SSD for programs and a hard disk for data better choice at all. SSDs putting course delivers the best experience, all you have to do before groping relatively deep into their pockets.

Performance and other features of the laptop SSHD of both brands are very close together. In the vast majority of the benchmarks set Seagate SSHD’s however a slightly better score down. Seagate’s SSHD further a fraction quieter and have three years instead of two-year warranty. It means that on the basis of our test the Seagate models, albeit with a narrow margin, be the better choice.

The 500 GB version earlier won a Gold Award, which we now give to the 1TB version.

Seagate 1TB Laptop vs. SSHD Toshiba 500GB SSHD MQ01ABF050H: 2.5 “SSHD’s compared updated: February 2, 2015 author: John Malkovich