The purpose of this performance test is to compare the performance of file copy operations to/from a NAS server using the Windows built-in command line file copy utilities Robocopy and XCopy. The performance test was performed on a quad-core machine with 16 GB of system memory running the Windows Server 2016 operating system. The file copy operations were performed between two identical servers equipped with Samsung 950 Pro 1TB SSD drives via the Gigabit network using the same data set containing 30,000 small and medium-sized files.
Performance Counter
RoboCopy
XCopy
NAS Request Rate
2931.97 Req/Sec
2745.72 Req/Sec
NAS Data Request Rate
366.23 Req/Sec
272.57 Req/Sec
NAS Read Request Rate
182.93 Req/Sec
133.37 Req/Sec
NAS Write Request Rate
183.30 Req/Sec
139.21 Req/Sec
NAS Data Transfer Rate
9.97 MB/Sec
6.65 MB/Sec
NAS Read Transfer Rate
4.97 MB/Sec
3.25 MB/Sec
NAS Write Transfer Rate
5.00 MB/Sec
3.40 MB/Sec
NAS Network Transfer Rate
10.89 MB/Sec
8.36 MB/Sec
NAS Network Received Rate
5.51 MB/Sec
3.83 MB/Sec
NAS Network Sent Rate
5.38 MB/Sec
4.53 MB/Sec
According to the performance results, RoboCopy achieves better results in 10 out of 10 tests including: NAS Request Rate, NAS Data Request Rate, NAS Read Request Rate, NAS Write Request Rate, NAS Data Transfer Rate, NAS Read Transfer Rate, NAS Write Transfer Rate, NAS Network Transfer Rate, NAS Network Received Rate and NAS Network Sent Rate.
RoboCopy vs. XCopy - NAS Request Rate
RoboCopy
2931.97 Req/Sec
XCopy
2745.72 Req/Sec
More is Better
Average: 2838.84 Req/Sec
Min: 0.00 Req/Sec
Max: 7540.05 Req/Sec
The average NAS Request Rate is better for RoboCopy (2931.97 Req/Sec vs. 2745.72 Req/Sec), the minimum NAS Request Rate is better for RoboCopy (335.17 Req/Sec vs. 0.00 Req/Sec) and the maximum NAS Request Rate is better for RoboCopy (7540.05 Req/Sec vs. 5304.87 Req/Sec).
RoboCopy vs. XCopy - NAS Data Request Rate
RoboCopy
366.23 Req/Sec
XCopy
272.57 Req/Sec
More is Better
Average: 319.40 Req/Sec
Min: 0.00 Req/Sec
Max: 1437.33 Req/Sec
The average NAS Data Request Rate is better for RoboCopy (366.23 Req/Sec vs. 272.57 Req/Sec), the minimum NAS Data Request Rate is better for RoboCopy (10.47 Req/Sec vs. 0.00 Req/Sec) and the maximum NAS Data Request Rate is better for RoboCopy (1437.33 Req/Sec vs. 1308.03 Req/Sec).
RoboCopy vs. XCopy - NAS Read Request Rate
RoboCopy
182.93 Req/Sec
XCopy
133.37 Req/Sec
More is Better
Average: 158.15 Req/Sec
Min: 0.00 Req/Sec
Max: 1424.12 Req/Sec
The average NAS Read Request Rate is better for RoboCopy (182.93 Req/Sec vs. 133.37 Req/Sec), the minimum NAS Read Request Rate is identical for both RoboCopy and XCopy (0.00 Req/Sec) and the maximum NAS Read Request Rate is better for RoboCopy (1424.12 Req/Sec vs. 1172.83 Req/Sec).
RoboCopy vs. XCopy - NAS Write Request Rate
RoboCopy
183.30 Req/Sec
XCopy
139.21 Req/Sec
More is Better
Average: 161.25 Req/Sec
Min: 0.00 Req/Sec
Max: 1274.96 Req/Sec
The average NAS Write Request Rate is better for RoboCopy (183.30 Req/Sec vs. 139.21 Req/Sec), the minimum NAS Write Request Rate is better for RoboCopy (10.47 Req/Sec vs. 0.00 Req/Sec) and the maximum NAS Write Request Rate is better for RoboCopy (1274.96 Req/Sec vs. 1237.94 Req/Sec).
RoboCopy vs. XCopy - NAS Data Transfer Rate
RoboCopy
9.97 MB/Sec
XCopy
6.65 MB/Sec
More is Better
Average: 8.31 MB/Sec
Min: 0.00 MB/Sec
Max: 88.41 MB/Sec
The average NAS Data Transfer Rate is better for RoboCopy (9.97 MB/Sec vs. 6.65 MB/Sec), the minimum NAS Data Transfer Rate is better for RoboCopy (0.06 MB/Sec vs. 0.00 MB/Sec) and the maximum NAS Data Transfer Rate is better for RoboCopy (88.41 MB/Sec vs. 76.46 MB/Sec).
RoboCopy vs. XCopy - NAS Read Transfer Rate
RoboCopy
4.97 MB/Sec
XCopy
3.25 MB/Sec
More is Better
Average: 4.11 MB/Sec
Min: 0.00 MB/Sec
Max: 88.31 MB/Sec
The average NAS Read Transfer Rate is better for RoboCopy (4.97 MB/Sec vs. 3.25 MB/Sec), the minimum NAS Read Transfer Rate is identical for both RoboCopy and XCopy (0.00 MB/Sec) and the maximum NAS Read Transfer Rate is better for RoboCopy (88.31 MB/Sec vs. 71.42 MB/Sec).
RoboCopy vs. XCopy - NAS Write Transfer Rate
RoboCopy
5.00 MB/Sec
XCopy
3.40 MB/Sec
More is Better
Average: 4.20 MB/Sec
Min: 0.00 MB/Sec
Max: 78.99 MB/Sec
The average NAS Write Transfer Rate is better for RoboCopy (5.00 MB/Sec vs. 3.40 MB/Sec), the minimum NAS Write Transfer Rate is better for RoboCopy (0.06 MB/Sec vs. 0.00 MB/Sec) and the maximum NAS Write Transfer Rate is better for RoboCopy (78.99 MB/Sec vs. 76.46 MB/Sec).
RoboCopy vs. XCopy - NAS Network Transfer Rate
RoboCopy
10.89 MB/Sec
XCopy
8.36 MB/Sec
More is Better
Average: 9.62 MB/Sec
Min: 0.00 MB/Sec
Max: 88.77 MB/Sec
The average NAS Network Transfer Rate is better for RoboCopy (10.89 MB/Sec vs. 8.36 MB/Sec), the minimum NAS Network Transfer Rate is better for RoboCopy (0.16 MB/Sec vs. 0.00 MB/Sec) and the maximum NAS Network Transfer Rate is better for RoboCopy (88.77 MB/Sec vs. 77.01 MB/Sec).
RoboCopy vs. XCopy - NAS Network Received Rate
RoboCopy
5.51 MB/Sec
XCopy
3.83 MB/Sec
More is Better
Average: 4.67 MB/Sec
Min: 0.00 MB/Sec
Max: 79.19 MB/Sec
The average NAS Network Received Rate is better for RoboCopy (5.51 MB/Sec vs. 3.83 MB/Sec), the minimum NAS Network Received Rate is better for RoboCopy (0.11 MB/Sec vs. 0.00 MB/Sec) and the maximum NAS Network Received Rate is better for RoboCopy (79.19 MB/Sec vs. 76.68 MB/Sec).
RoboCopy vs. XCopy - NAS Network Sent Rate
RoboCopy
5.38 MB/Sec
XCopy
4.53 MB/Sec
More is Better
Average: 4.96 MB/Sec
Min: 0.00 MB/Sec
Max: 88.45 MB/Sec
The average NAS Network Sent Rate is better for RoboCopy (5.38 MB/Sec vs. 4.53 MB/Sec), the minimum NAS Network Sent Rate is better for RoboCopy (0.05 MB/Sec vs. 0.00 MB/Sec) and the maximum NAS Network Sent Rate is better for RoboCopy (88.45 MB/Sec vs. 71.72 MB/Sec).