HD Tune Pro
Version and / or Patch Used: 4.00
Developer Homepage: http://www.efdsoftware.com
Product Homepage: http://www.hdtune.com
HD Tune is a Hard Disk utility which has the following functions:
Benchmark: measures the performance
Info: shows detailed information
Health: checks the health status by using SMART
Error Scan: scans the surface for errors
HD Tune Pro gives us accurate read, write and access time results and for the last couple of years has gained popularity amongst reviewers. It is now considered a must have application for storage device testing.
If you've read the other articles published today, then you already know a bit about RAPID Mode. We're including the RAPID Mode benchmarks in the charts, but some of the charts look a little off since RAPID uses system RAM as a 1GB cache for the SSD.
Reading sequential data from the drive at full span does use RAPID as you can see in this chart. The 840 EVO 750GB does a really good job though without the external cache.
We see a small bump from RAPID for the first 750MB, but then the drive settles down to regular 840 EVO speeds. The EVO writes data quite a bit faster than the original 840. The 750GB model has a minimum sequential write speed of just over 405MB/s in this test.
HD Tach - Sequential Write Performance after Random Writes
In this format we can actually see the cache layers and how long they last for while writing the span of the drive. On the far left we see RAPID for a short period of time, then TurboWrite and finally the TLC flash. The spikes should be from either RAPID or TurboWrite cache flushing and then capturing more data. The read performance varies between 290MB/s and just under 500MB/s. At the end of this test with 128KB data, the read performance drops to just over 100MB/s. Normally we look at write performance in this test and see the write dip that low.
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- Page 1 [Introduction]
- Page 2 [Specifications, Pricing and Availability]
- Page 3 [Samsung 840 EVO 750GB SSD]
- Page 4 [Benchmarks - Test System Setup and ATTO Baseline Performance]
- Page 5 [Benchmarks - Sequential Performance]
- Page 6 [Benchmarks - AIDA64 Random Access Time]
- Page 7 [Benchmarks - Anvil Storage Utilities]
- Page 8 [Benchmarks - CrystalDiskMark]
- Page 9 [Benchmarks - PCMark Vantage Hard Disk Tests]
- Page 10 [Benchmarks - PCMark Vantage - Drives with Data Testing]
- Page 11 [Benchmarks - PCMark 8 Hard Disk Tests]
- Page 12 [Benchmarks - DiskBench]
- Page 13 [Benchmarks - Power and Thermal Testing]
- Page 14 [Final Thoughts]