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Intel 760P 512GB M.2 NVMe PCIe SSD Review

By: Jon Coulter | m.2 SSDs in Storage | Posted: Jan 23, 2018 4:30 pm
TweakTown Rating: 97%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 at QD32. Phase two of the test runs a 70% read/30% write at QD32, 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-760p-512gb-2-nvme-pcie-ssd-review_47

 

What we like about this test is that it reflects reality. Everything lines up, as it should. Consumer drives don't outperform Enterprise-Class SSDs that were designed for enterprise workloads. Consumer drives based on old technology are not outperforming modern Performance-Class SSDs, etc.

 

Sustained heavy workloads of this nature are very rare in the consumer space and that's a good thing for the 760p because it falls on its face when running this test. Even the lowly 600p manages to deliver better-sustained performance than the 760p. This is because the 600p does have some OP due to its odd die capacity.

 

 

 

Sustained Sequential Write

 

Version and / or Patch Used: Iometer 2014

 

Heavy Workload Model

 

We write to the drive for 1 hour with 128K sequential writes at QD32. We log and chart megabytes per second data at 5-second intervals for 1 hour (720 data points). 60 data points = 5 minutes.

 

intel-760p-512gb-2-nvme-pcie-ssd-review_48

 

Like our transfer test, this test unmasks the sequential write performance of TLC flash arrays. The 512GB 760p sustains writes at an average of 582 MB/s which surprisingly is better than we are getting from Plextor's M9Pe 512GB. We can see that the drive's SLC cache only lasts for about 5 seconds at a time. Comparing the 760p to the 600p we find the 760p delivering 3.8x the sustained write performance.

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