why is my razer blade 2017 nvme performance better than blade advanced early 2021

i have two razer blade 1st : razer blade 2017 7700HQ 16gb ddr4 2400mhz gtx1060 1tb 970 evo plus 2nd : razer blade 15 advanced early 2021 10875H rtx 3070 2 x 16gb kingston fury 3200mhz ddr4 2 x 1tb 970 evo plus in raid 0 i ran crystaldiskmark for my both blade how come my blade 2017 faster than my new blade 2021 ? my blade 2021 never get close to 3300 read and 3000 write speed in raid 0 or single drive but my blade 2017 up to 3500 read and 3300 write ? i already upgraded samsung 970 evo plus firmware for both blade , anyone have the same issues ?