Moderate Workload Model
We categorize these tests as indicative of a moderate workload environment.
PCMark Vantage - Hard Disk Tests
Version and / or Patch Used: 126.96.36.199
The reason we like PCMark Vantage is because the recorded traces are played back without system stops. What we see is the raw performance of the drive. This allows us to see a marked difference between scoring that other trace-based benchmarks do not exhibit. An example of a marked difference in scoring on the same drive would be empty vs. filled vs. steady state.
We run Vantage three ways. The first run is with the OS drive 75% full to simulate a lightly used OS volume filled with data to an amount we feel is common for most users. The second run is with the OS volume written into a "Steady State" utilizing SNIA's consumer guidelines. Steady state testing simulates a drive's performance similar to that of a drive that been subjected to consumer workloads for extensive amounts of time. The third run is a Vantage HDD test with the test drive attached as an empty, lightly used secondary device.
OS Volume 75% Full - Lightly Used
OS Volume 75% Full - Steady State
Secondary Volume Empty - FOB
There's a big difference between an empty drive, one that's 75% full/used, and one that's in a steady state.
The important scores to pay attention to are "OS Volume Steady State" and "OS Volume 75% full." These two categories are most important because they are indicative of typical of consumer user states. When a drive is in a steady state, it means garbage collection is running at the same time it's reading/writing.
Focusing in on 75% full and steady-state performance reveals nothing new. The XPG SX8000 can outperform the Intel 600p, but that's it. The rest of competing SSDs in our test pool easily outperform the XPG SX8000. Let's see if the XPG SX8000 can do better with our other moderate workload tests.
PCMark 7 - System Storage
Version and / or Patch Used: 1.4.0
We will look to Raw System Storage scoring for evaluation because it's done without system stops and, therefore, allows us to see significant scoring differences between drives. When testing NVMe SSDs on PCMark 7, we are looking for a minimum score of 10,000.
OS Volume 75% Full - Lightly Used
PCMark 7 more accurately represents real-world performance than does Vantage. The good news is the XPG SX8000 running on our Intel platform eclipses our minimum score of 10K. The bad news is it gets handily outperformed by everything else except for the 600p.
PCMark 8 - Storage Bandwidth
Version and / or Patch Used: 2.4.304
We use PCMark 8 Storage benchmark to test the performance of SSDs, HDDs, and hybrid drives with traces recorded from Adobe Creative Suite, Microsoft Office, and a selection of popular games. You can test the system drive or any other recognized storage device, including local external drives. Unlike synthetic storage tests, the PCMark 8 Storage benchmark highlights real-world performance differences between storage devices.
OS Volume 75% Full - Lightly Used
PCMark 8 is the most intensive moderate workload simulation we run. With respect to moderate consumer type workloads, this test is what we consider the best indicator of a drive's performance. More of the same inferior performance coming from the XPG SX8000. We don't care for Silicon Motion's SM2260 controller, and it is easy to see why.
BAPCo SYSmark 2014 SE System Performance
Version and / or Patch Used: 188.8.131.52
SYSmark 2014 SE is considered the gold standard for testing system performance because it is an application based benchmark. This test gives us the ultimate in real-world results because it utilizes actual applications running on the system, instead of playing back recorded traces. If you want to know what kind of impact a particular SSD will have on your system's overall performance; this test will show you.
Disk performance has the greatest impact on the Responsiveness Score, so that is what we will focus on.
Our system is much more powerful than the calibration system (1000-point baseline) used by BAPCo, so we ran an OCZ TL100 120GB SATA III SSD to establish a comparison point relative to our test system. We will be running this test going forward, and we will add drives to our chart as we test them.
It is important to keep in mind that with SYSmark 2014 SE a few points are a big deal when comparing one drive to another on the same platform. 10-20 points is actually a huge difference, and the two competing NVMe SSDs in our test pool outscore the XPG SX8000 by 14 and 21 points.
AMD has in the past stated that SYSmark is optimized for Intel, but both BAPCo and Intel deny that there is any built-in preference for Intel-based systems. We don't know who is right, but it is easy to see that Intel has a major advantage over AMD when testing with SYSmark.
PRICING: You can find the product discussed for sale below. The prices listed are valid at the time of writing, but can change at any time. Click the link below to see real-time pricing for the best deal:
United States: The ADATA XPG SX8000 512GB M.2 NVMe PCIe SSD retails for $XXX at Amazon.
United Kingdom: The ADATA XPG SX8000 512GB M.2 NVMe PCIe SSD retails for £XXX at Amazon UK.
- Page 1 [Introduction, Drive Specifications, Pricing & Availability]
- Page 2 [Drive Details]
- Page 3 [Test System Setup & Drive Properties]
- Page 4 [Synthetic Benchmarks - ATTO & Anvil Storage Utilities]
- Page 5 [Synthetic Benchmarks - CrystalDiskMark & AS SSD]
- Page 6 [Benches (OS) - Vantage, PCMark 7, PCMark 8 & SYSmark 2014 SE]
- Page 7 [Benchmarks (Secondary) - IOPS, Response & Transfer Rate]
- Page 8 [Benchmarks (Secondary Volume) - PCMark 8 Extended]
- Page 9 [Benchmarks (Secondary Volume) - 70/30 Mixed Workload]
- Page 10 [Maxed-Out Performance (MOP)]
- Page 11 [Final Thoughts]
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