70/30 Mixed Workload Test (Sledgehammer)
Version and / or Patch Used: Iometer 2014
Heavy Workload Model
This test hammers a drive so hard we've dubbed it "Sledgehammer". Our 70/30 Mixed Workload test is designed to simulate a heavy-duty enthusiast/workstation steady-state environment. We feel that a mix of 70% read/30% write, full random 4K transfers best represents this type of user environment. Our test allows us to see the drive enter into and reach a steady state as the test progresses.
Phase one of the test preconditions the drive for 1 hour with 128K sequential writes. Phase two of the test runs a 70% read/30% write, full random 4K transfer workload on the drive for 1 hour. We log and chart (phase two) IOPS data at 5-second intervals for 1 hour (720 data points). 60 data points = 5 minutes.
What we like about this test is that it reflects reality. Everything lines up, as it should. Consumer drives don't outperform Enterprise-Class SSD's that were designed for enterprise workloads. Consumer drives based on old technology are not outperforming modern Performance-Class SSD's, etc.
Better low queue performance gives the 400GB 750 a nice edge over the 1.2TB version in this demanding test, pointing to what we've been saying all along; the 400GB drive will likely deliver better performance as your OS disk than the 1.2TB will.
PRICING: You can find the Intel Solid-State Drive 750 Series SSDPEDMW400G4R5 400GB PCI-Express 3.0 MLC 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 Intel 750 400GB retails for $389.99 at Amazon.
Australia: Find other tech and computer products like this over at PLE Computer's website.
- Page 1 [Introduction, Drive Specifications, Pricing and Availability]
- Page 2 [Drive Details]
- Page 3 [Test System Setup and Properties]
- Page 4 [Synthetic Benchmarks - ATTO & Anvil Storage Utilities]
- Page 5 [Synthetic Benchmarks - CrystalDiskMark & AS SSD]
- Page 6 [Benchmarks (Trace Based OS Volume) - PCMark Vantage, PCMark 7 & PCMark 8]
- Page 7 [Benchmarks (Secondary Volume) - Max IOPS, Disk Response & Transfer Rates]
- 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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