The 1TB SanDisk Ultra 3D SSD (SDSSDH3-1T00) Review

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The 1TB SanDisk Ultra 3D SSD IO Meter Benchmark Results

IO Meter

We compared the 1TB SanDisk Ultra 3D SSD (Price Check) against the 1TB WD Blue SSD. If you wish to see how the SanDisk Ultra 3D SSD compares to other solid state drives, take a look at our Solid State Drive Performance Comparison Guide, which we will be updating shortly.

 

Throughput (Random Access)

1TB SanDisk Ultra 3D SSD IOMeter random speed results

Test1 TB SanDisk Ultra 3D1 TB WD Blue SSDDifference
512 KB Read388.48 MB/s239.84 MB/s+ 62.0%
512 KB Write494.05 MB/s257.09 MB/s+ 92.2%
4 KB Read31.57 MB/s24.93 MB/s+ 26.6%
4 KB Write75.97 MB/s53.31 MB/s+ 42.5%

The small random reads and writes are the most important tests for applications that make a lot of random accesses, so these would be key performance indicators for SSDs that are often used as boot drives.

The 1TB SanDisk Ultra 3D SSD (Price Check) did incredibly well in this test, solidly beating the 1TB WD Blue SSD. Thanks to its built-in nCache 2.0 technology, it delivered almost twice the large random write performance of the 1TB WD Blue SSD!

 

Random Access Time

1TB SanDisk Ultra 3D SSD IOMeter random access time results

Test1 TB SanDisk Ultra 3D1 TB WD Blue SSDDifference
512 KB Read1.35 ms2.19 ms– 38.3%
512 KB Write1.06 ms2.04 ms– 48.0%
4 KB Read0.13 ms0.17 ms– 22.8%
4 KB Write0.05 ms0.08 ms– 29.9%

The random write performance of the 1TB SanDisk Ultra 3D SSD (Price Check) was truly stellar, in comparison to the 1TB WD Blue SSD.

 

Random CPU Utilization

1TB SanDisk Ultra 3D SSD IOMeter random CPU results

Test1 TB SanDisk Ultra 3D1 TB WD Blue SSDDifference
512 KB Read30.21 %7.16 %+ 321.9%
512 KB Write29.72 %7.31 %+ 306.8%
4 KB Read32.15 %9.94 %+ 223.4%
4 KB Write35.61 %11.91 %+ 199.0%

The only downside – the 1TB SanDisk Ultra 3D SSD (Price Check) uses up a lot more CPU performance than the 1TB WD Blue SSD. About 3X more CPU performance, on average!

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IO Meter (Sequential Accesses)

We compared the 1TB SanDisk Ultra 3D SSD (Price Check) against the 1TB WD Blue SSD. If you wish to see how the SanDisk Ultra 3D SSD compares to other solid state drives, take a look at our Solid State Drive Performance Comparison Guide, which we will be updating shortly.

 

Sequential Throughput

1TB SanDisk Ultra 3D SSD IOMeter sequential speed results

Test1 TB SanDisk Ultra 3D1 TB WD Blue SSDDifference
512 KB Read511.36 MB/s250.14 MB/s+ 104.4%
512 KB Write494.07 MB/s255.54 MB/s+ 93.3%
4 KB Read84.83 MB/s63.35 MB/s+ 33.9%
4 KB Write75.63 MB/s59.15 MB/s+ 27.9%

The sequential read and write performance indicators determine how fast you can copy and move files. This is also important in determining how fast you can launch an application or game.

The 1TB SanDisk Ultra 3D SSD (Price Check) did marvellously in this test, coming in twice as fast as the 1TB WD Blue SSD in large, sequential reads and writes.  It also had a nice boost in small sequential read and write performance.

 

Sequential Access Time

1TB SanDisk Ultra 3D SSD IOMeter sequential CPU results b

Test1 TB SanDisk Ultra 3D1 TB WD Blue SSDDifference
512 KB Read1.02 ms2.10 ms– 51.2%
512 KB Write1.06 ms2.05 ms– 48.3%
4 KB Read0.05 ms0.07 ms– 26.8%
4 KB Write0.05 ms0.07 ms– 22.1%

 

Sequential CPU Utilization

1TB SanDisk Ultra 3D SSD IOMeter sequential CPU results

Test1 TB SanDisk Ultra 3D1 TB WD Blue SSDDifference
512 KB Read30.17 %8.69 %+ 247.1%
512 KB Write30.11 %5.76 %+ 422.7%
4 KB Read36.07 %15.93 %+ 126.4%
4 KB Write35.74 %15.42 %+ 131.9%

Again, the 1TB SanDisk Ultra 3D SSD (Price Check) took up a significant amount of CPU processing power.

Next Page > IOPS Scaling Results

 

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