ATTO was tested at both 256MB and 8GB file sizes. The ATTO Disk Benchmark has been a staple of drive sequential performance testing for years. Also, the P1 and Intel’s 665p are essentially in lockstep for performance, which is perhaps to be expected. There is an impact to the DRAM-less drive trend and that is on display looking at the P1 and P2 drives here. This is in contrast to the Crucial P2, which fell to SATA territory when it comes to write performance. Moving to the larger 8GB, the P1 holds completely steady with its performance. Crucial P1 1TB CrystalDiskMark 8GB Crucial P1 1TB CrystalDiskMark 8GB Chart Also worthy of note is the similarity to the Intel 665p 1TB, which is another QLC drive based on the SM2263EN. Of particular note is how much better the P1 performed on writes compared to the P2 that will be a recurring theme. This is to be expected given the modest rated performance numbers, and to the P1’s credit, it manages to exceed the advertised read and write specs. Right out the gate, the positioning of the Crucial P1 is near the bottom of our charts. Crucial P1 1TB CrystalDiskMark 1GB Crucial P1 1TB CrystalDiskMark 1GB Chart CrystalDiskMark 7.0.0 圆4ĬrystalDiskMark is used as a basic starting point for benchmarks as it is something commonly run by end-users as a sanity check. This allows us to see the difference between lighter and heavier workloads. We are moving towards using larger test sizes on our benchmarks, but on several tests, we also used the smaller default-test sizes.
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