System76 Gazelle Pro: An Intel Haswell Laptop With Ubuntu Linux
Given that the System76 Gazelle Professional is a Haswell laptop and a Core i7 CPU while the other laptops are Core i3 and Core i5, to no surprise the Linux-friendly laptop smokes away the competition.
More of these comparison benchmark results can be found on OpenBenchmarking.org. You can also compare your own Linux desktop/laptop's performance to these results by installing the Phoronix Test Suite (https://www.phoronix-test-suite.com/) and simply running phoronix-test-suite benchmark 1308226-SO-SYSTEM76C53.