OCZ Vertex 4 256GB/512GB review

SSD by OCZ with Indilinx Everest 2 controller

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PCMark Vantage

PCMark Vantage is based on the hard drive usage of actual applications, albeit applications from the Windows Vista era. Futuremark uses so-called traces, which are recordings of disk activity of real programmes, and repeats the same activity as quickly as possible in the benchmark.

A score of about 42,000 is simply disappointing, and also unexpected, considering the Vertex 4's excellent results in other benchmarks. OCZ's engineers provided this explanation:

The reason why you are seeing a lower performance has a couple of reasons; PC Mark (Vantage, Ed.) is mostly based on compressed files performance which means it’s not a good representation of the capabilities of the Vertex 4. PC Mark also intentionally keeps a low queue depth in order to simulate real world performance. However PC Mark also specifically runs unaligned I/O which is not simulating user experience as a majority of the I/O in Windows 7 is aligned.


Compare

two products discussed in this review

  Product Lowest price

OCZ Vertex 4 256GB

SSD, 256 GB, Serial ATA 600, Indilinx Everest 2, 560 MB/s, 510 MB/s, 2.5 inch

Specifications Test results Reviews

OCZ Vertex 4 512GB

SSD, 512 GB, Serial ATA 600, Indilinx Everest 2, 560 MB/s, 510 MB/s, 2.5 inch

Specifications Test results Reviews

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