Yes, It's my weird rigs.

I have some Mining dedicated rig made from China, the motherboard have 8 slot, B85 chipset and G1840 CPU, 1 x 4G DDR3 SODIMM, all things old,

But fast than my X570S with AMD Ryzen PRO 4350G, with 8G DDR4, about ~1%.

I compared everything but no idea why.