Performance
As I already mentioned on this review’s previous page, the tests were performed on the ASUS TUF A15 laptop equipped with AMD Ryzen 7 4800H processor. This laptop is heating up above average but is also a realistic environment for an M.2 SSD where is often limited airflow.
All tests were performed in Windows 10 Pro x64 with the latest updates.
Let’s begin with the ATTO Disk Benchmark, which is one of the most popular applications designed to measure storage bandwidth.
ATTO is usually showing lower maximum bandwidth than we are expecting, and we are used to that. The UD70 reaches 3.24GB/s read and 2.78GB/s write bandwidth, which is a good result, just not as high as the maximum declared in the specification.
To see the declared bandwidth, we have to use CrystalDiskMark. It’s probably the most popular storage benchmark in the last years. The UD70 can make up to 3.45GB/s read and 3GB/s write bandwidth. It’s slightly higher than we can see in the specification, and we have to remember that these tests are performed on a laptop.
CrystalDiskMark is also showing high performance in random operations. There are faster drives, but for the QLC SSD, our results are great.
Another benchmark is PCMark 8 and its storage test. Even though not new, this benchmark shows how the drive performs during a daily workload, so various popular applications. Results in this benchmark are above average, so they should satisfy most users.
PCMark 10 storage tests are similar to what we could see in the PCMark 8 but base on newer applications and additional tests. I was a bit surprised that PCMark 10 results look better than what we could see in the PCMark 8. Usually, it’s otherwise. The data drive benchmark is not far from the 4k mark. This is exceptional for this type of drive.
In the end, Anvil’s Storage Utilities. It’s a benchmark that usually shows lower bandwidth than expected, and it’s like that in this situation. Even though results are high, then we can see up to 2.5GB/s read and write bandwidth. On the other hand, over 500k IOPS in write operations is a pretty good result.
The UD70 2TB is a fast drive and for sure satisfies all users who decide to buy it. Those who are counting on more should take a look at the US70 series, but it will require a PCIe 4.0 motherboard.
