This data comes from the SPEC Viewperf 12 benchmark.
https://www.spec.org/gwpg/gpc.static/vp12info.html

SPECviewperf 12 is available for immediate download under a two-tiered
pricing structure: free for non-commercial users and $2,500 for commercial
entities. Commercial entities are defined as organizations using the
benchmark for the purpose of marketing, developing, testing, consulting
for and/or selling computers, computer services, graphics devices, drivers
or other systems in the computer marketplace.
