Intel Core i9 7900X Skylake-X & Core i7 7740X Kaby Lake-X review: rushed release raises the bar

Intel reinforces lead and introduces most unnecessary CPU ever


Benchmarks: data-compression and -encryption

We run five data-compression and –encryption benchmarks. First we compress 2GB of data using both 7Zip as well as Winrar. We also run three parts of the AIDA64 benchmark. Zlib is a popular compression method that is used by a lot of software. AES is one of the most used encryption algorithms and is, for example, the basis for the SSL-encryption of HTTPS-websites. With AIDA64 we also measure how fast data can be hashed.

The compression benchmarks are not or barely able to gain an advantage from the extra speed of the i9 7900X compared with the Broadwell-E-processors. The CPU-load is not even close to 100%. Of course there is a time when the speed of the storage device becomes the bottleneck in these tests. Zlib-compression suits the Core i9-CPU very well, while AMD still convincingly wins in the AES- and hash-benchmarks.

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