@ GuaPat, you didn't list CPU used. The clockspeed on a CPU cannot be taken independent of its architecture.
Originally Posted by shaoxuan
I don't know if this is correct.
CPU: 3800X Zen 2
Clock speed: 3.9 GHZ, 4.475 GHZ Boost
Memory: 2x8GB CL14
Excel: 64 bit
Time: 47.39 secs
It could be correct.
Which Windows version are you using to test and Excel version?
The Excel 2019 version might have additional multi-threading enhancements vs 2016.
Also you listed CL14, I'm assuming that is 3200C14 with XMP timngs?