Samsung 970 EVO Plus 2TB NVMe M.2. SSD review

Memory (DDR4/DDR5) and Storage (SSD/NVMe) 367 Page 8 of 21 Published by

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SSD Performance File Copy Tests

SSD Performance

In this round of benchmarks, we start off with our real-world file copy tests. Currently, certain controllers benefit from compressed files, while others don't. Certain storage units hate small files, others work well with them. So it only makes sense to do some manual tests on that. Any storage unit's nightmare, whether that is an HDD or SSD, is storing really small files as fast as possible.

File Copy

The most basic and simple test anyone can perform. We drop a 110 GB compressed MKV file onto the SSD. That write number will fluctuate a bit here and there during the writing process at a 2GB/s range, however at roughly 80% of the writes, the perf dropped towards roughly 1500 MB/sec, it seems that the DRAM and SLC cache combo, can dry out. 


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You can see as long as the SLC buffer can keep up, ~ 2 GB/sec sustained writes (which is awesomely impressive). 

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Once the SLC buffer runs dry, the write perf drops to ~1.5 GB/sec, as if that is slow eh?

Performance Game Load Times

Here at Guru3D.com, the audience catered to is primarily made up of gamers. And as such, I'd like to start offering real-world performance game tests. During game load, a lot of things happen in the system. The CPU is hard at work, your SSD loads up executables, binaries, shaders, textures and what not while the system memory process it all. Thing is, with a fast SSD you can really decrease the overall load time of your games and levels.

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We now measure based on game sequence load and translate that into the number of MB/s the storage unit can manage and load. Higher is better in this chart.

Performance Application Load Time

Here we emulate the loading of complex software like Photoshop, Internet Explorer, Word, PowerPoint etc. So how many applications / dlls / hooks / etc. simultaneously in MB/s this storage unit can cope with. High IOPS storage units will score better here as it can manage more files in less time.

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