Real World File Transfer
Let’s see how real-world performance was when writing a movie folder containing seven 1080P movies over to the SSD. For this test, we are going to measure write performance by copying a 30.6GB folder of movies off from the drive being tested back to itself to see how performance looks. This action is basically a long linear sequential write operation and punishes the SLC Cache on many drives.
When it comes to writing a bunch of data to the drive without any breaks, the ADATA Swordfish 1TB NVMe SSD completed the task with an average speed of 685.5 MB/s and that puts it in the lower third of our performance results.
Custom Read File Test
The next custom test that we are going to do is how fast each drive can read a compressed folder. For this we backed up a Steam copy of PlayerUnknown’s Battlegrounds for the test file. The compressed folder contains 59 titles and is 27.3 GB (29,409,916,771 bytes) in size.
When it comes to reading a compressed Steam Backup file the Swordfish 1TB drive finished with an average read speed of 1179.0 MB/s and that is the slowest of the 20 NVMe SDDs that are in the results chart. The only drive it did better than was the lone SATA III SSD in the results, the SK Hynix Gold S31.