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Intel 750 400GB NVMe PCIe Gen3 x4 AIC SSD Review (Page 9)

By: Jon Coulter from Jul 10, 2015 @ 17:22 CDT
TweakTown Rating: 96%Manufacturer: Intel

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.

intel-750-400gb-nvme-pcie-gen3-x4-aic-ssd-review_46

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.

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