Samsung 970 EVO 1TB NVMe SSD Review

OakGate Platform – ‘Fresh out of Box’ Benchmarks

These tests provide a highly consistent basis for comparing
solutions.  The sequence of tests begins with a purge of the drive to ensure
that it starts in a FOB state.

The tests cover all of the essential IO performance
characteristics.

Sequential Writes

This test performs 20 seconds of Sequential Write IOs for
each combination of Queue Depths 1, 4, and 32, and IO Sizes of 4K, 128K, and
1024K.  IO traffic is limited to an IO Range of 1GB (which is equivalent to a
test file size of 1GB).

Here are the results for the Samsung 970 EVO –

Samsung 970 EVO 1TB NVMe SSD ReviewSamsung 970 EVO 1TB NVMe SSD Review
Samsung 970 EVO 1TB NVMe SSD ReviewSamsung 970 EVO 1TB NVMe SSD Review
Samsung 970 EVO 1TB NVMe SSD ReviewSamsung 970 EVO 1TB NVMe SSD Review
Samsung 970 EVO 1TB NVMe SSD ReviewSamsung 970 EVO 1TB NVMe SSD Review

An outstanding result, which exceeds Samsung’s specification
of 2,500 MB/s.

Here is a comparison of the 1024K, Queue Depth 32,
Sequential Write performance with the other products I have tested to date –

Samsung 970 EVO 1TB NVMe SSD Review

Please note that NVMe drives are tested with an IO Size of
128K.

Let’s also have a look at how the Sequential Writes Power
Consumption compares, but to do this fairly we must divide the average MB/s by
the average Milliwatts to get a value for the effective work done.  Here is the
result –

Samsung 970 EVO 1TB NVMe SSD Review

You can see that the Samsung 970 EVO has an outstanding
level of power efficiency.

Sequential Reads

The test performs 20 seconds of Sequential Read IOs for each
combination of Queue Depths 1, 4, and 32, and IO Sizes of 4K, 128K, and 1024K. 
IO traffic is limited to an IO Range of 1GB.

Here are the results for the Samsung 970 EVO –

Samsung 970 EVO 1TB NVMe SSD ReviewSamsung 970 EVO 1TB NVMe SSD Review
Samsung 970 EVO 1TB NVMe SSD ReviewSamsung 970 EVO 1TB NVMe SSD Review
Samsung 970 EVO 1TB NVMe SSD ReviewSamsung 970 EVO 1TB NVMe SSD Review
Samsung 970 EVO 1TB NVMe SSD ReviewSamsung 970 EVO 1TB NVMe SSD Review

Here is a comparison of the Sequential Read performance with
the other products I have tested to date –

Samsung 970 EVO 1TB NVMe SSD Review

 

This is an outstanding result which exceeds Samsung’s
specification of 3500 MB/s.

Random Writes

The test performs 20 seconds of Random Write IOs for each
combination of Queue Depths 1, 4, 32 and 128 and IO Sizes of 4K, 16K, and 32K. 
IO traffic is limited to an IO Range of 1GB.

Here are the results for the Samsung 970 EVO –

Samsung 970 EVO 1TB NVMe SSD ReviewSamsung 970 EVO 1TB NVMe SSD Review
Samsung 970 EVO 1TB NVMe SSD ReviewSamsung 970 EVO 1TB NVMe SSD Review
Samsung 970 EVO 1TB NVMe SSD ReviewSamsung 970 EVO 1TB NVMe SSD Review
Samsung 970 EVO 1TB NVMe SSD ReviewSamsung 970 EVO 1TB NVMe SSD Review

Here is a comparison of the 4K, Queue Depth 1, Random Write
performance with the other products I have tested to date –

Samsung 970 EVO 1TB NVMe SSD Review

This is an excellent result.

Let’s have a look at the Latency Distribution for the 4K, QD
1 performance –

Samsung 970 EVO 1TB NVMe SSD Review

 

This graph shows the Latency for every IO that was performed
in the 20 seconds of traffic.  It shows the Number of IOs (IO Count) that fell
within a particular period of Time (Microseconds).  The red line plots the Time
against the Percentage of total IOs performed.

You can see that the Samsung 970 EVO achieves a very high
level of consistency and that 99.9% of all IOs have a Latency of 20
Microseconds or less.

Random Reads

The test performs 20 seconds of Random Read IOs for each
combination of Queue Depths 1, 4, and 32, and IO Sizes of 4K, 16K, and 32K.  IO
traffic is limited to an IO Range of 1GB.

Here are the results for the Samsung 970 EVO –

Samsung 970 EVO 1TB NVMe SSD ReviewSamsung 970 EVO 1TB NVMe SSD Review
Samsung 970 EVO 1TB NVMe SSD ReviewSamsung 970 EVO 1TB NVMe SSD Review
Samsung 970 EVO 1TB NVMe SSD ReviewSamsung 970 EVO 1TB NVMe SSD Review
Samsung 970 EVO 1TB NVMe SSD ReviewSamsung 970 EVO 1TB NVMe SSD Review

Here is a comparison of the 4K, Queue Depth 1, Random Read
performance with the other products I have tested to date –

Samsung 970 EVO 1TB NVMe SSD Review

This is an excellent result but is a long way short of the
outstanding result achieved by the Adata SX8200.  It appears to me that Adata
is well ahead of Samsung when it comes to low Queue Depth random 4K read
performance.

4K Random Mixed Reads/Writes

The test performs 20 seconds of 4K Random Mixed Reads/Writes
for each combination of Queue Depths 1, 4, and 32, and Read/Write ratios of
0/100, 30/70, 50/50, 70/30, and 100/0.  IO traffic is limited to an IO Range of
1GB.

Here are the results for the Samsung 970 EVO –

Samsung 970 EVO 1TB NVMe SSD ReviewSamsung 970 EVO 1TB NVMe SSD Review
Samsung 970 EVO 1TB NVMe SSD ReviewSamsung 970 EVO 1TB NVMe SSD Review

Here is a comparison of the 4K Mixed Random 50% Read/50%
Write, Queue Depth 1 performance, with the other products I have tested to date

Samsung 970 EVO 1TB NVMe SSD Review

 

An outstanding result!


Now let’s head to the next page, to look at the results
for the Oakgate Sustained Write and Recovery Tests…..