Portable External SSD Shootout: ADATA SE730H vs. Samsung Portable SSD T5 vs. WD My Passport SSD

By Kenny Yeo - 2 Apr 2018

AS SSD Results

AS SSD Results

AS SSD is a benchmark that uses non-compressible and completely random data. This takes away the advantages of SSD controllers that compress data before moving them, such as the old SandForce SF-2281 controller.

AS SSD’s Copy Benchmark measures the performance of copying various types of data and the results here were quite close. However, the ADATA SE730H has a slight edge since its performance on the Program and Game workloads were quite impressive. 

Moving on, the Samsung Portable SSD T5 was the runaway leader posting impressive read and write speeds across all different workloads. The ADATA SE730H’s sequential read and write performance was quite comparable, but it couldn’t keep up when it came to workloads with smaller data blocks and higher queue depths. The WD My Passport SSD performance was quite disappointing. Its sequential write speeds were significantly lower than the Samsung and ADATA drives. More importantly, its performance on the intensive 4K, 64 threads workloads was very much poorer than any other drive.

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