ADATA XPG SX930 Gaming SSD Review


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AIDA64 Disk Benchmark

Many enthusiasts are familiar with the Finalwire AIDA64 benchmark suite, but very few are aware of the Disk Benchmark tool available inside the program. The AIDA64 Disk Benchmark performs linear read and write bandwidth tests on each drive, and can be configured to use file chunk sizes up to 1MB (which speeds up testing and minimizes jitter in the waveform). Because of the full sector-by-sector nature of linear testing, Benchmark Reviews endorses this method for testing SSD products, as detailed in our Solid State Drive Benchmark Performance Testing article. One of the advantages SSDs have over traditional spinning-platter hard disks is much more consistent bandwidth: hard disk bandwidth drops off as the capacity draws linear read/write speed down into the inner-portion of the disk platter. AIDA64 Disk Benchmark does not require a partition to be present for testing, so all of our benchmarks are completed prior to drive formatting.

Linear disk benchmarks are superior bandwidth speed tools in my opinion, because they scan from the first physical sector to the last. A side affect of many linear write-performance test tools is that the data is erased as it writes to every sector on the drive. Normally this isn’t an issue, but it has been shown that partition table alignment will occasionally play a role in overall SSD performance (HDDs don’t suffer this problem).

ADATA SX930 240GB linear_read

240GB ADATA XPG SX930 SSD Read Results

We run the AIDA64 linear read and write tests with a 1M block size. Charted above, read performance on the 240GB ADATA XPG SX930 SSD returned average speeds of 510.7 MB/s. Note, though, that at the beginning of the test, there is a dip down to the 466 MB/s range.

AIDA64 linear write-to tests were next…

ADATA SX930 240GB linear_write

240GB ADATA XPG SX930 SSD Write Results

After an initial spurt of performance as high as 427 MB/s, probably the result of caching, performance quickly drops down to a less impressive 305.5 MB/s average.

As you can see in the chart below, the SX930’s read speeds are within a few MB/s of the fastest we’ve ever tested, which simply means that like most modern SSDs, the ADATA drive’s read performance is limited by the bandwidth available on SATA 6. However, the relatively slow write speeds on this test place it well below the average of the other drives we’ve tested.

AIDA64-Disk-Benchmark_Results - Copy

Linear tests are an important tool for comparing bandwidth speed between storage products, serve to highlight the consistent-bandwidth advantages of SSDs, which don’t suffer the performance drop-off that HDDs do as the test proceeds away from the fast outer edge of the disk.

In the next section we use PCMark Vantage to test real-world performance…


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