Im believing that Old cubes have better corner cutting than the popular current cubes like
Corner cutting:
MOYU: Weilong gts V1, V2, V3, Mojue M3, Yan3 and Guoguan Yuexiao pro > Weilong wrm maglev or lite
QIYI: Valk 3, Xman Tornado V1 > Valk 3 Elite M, Xman Tornado V2, V3
DAYAN: Dayan tengyun V1, Zanchi pro M > Dayan tengyun V2, (Tengyun v3????)
Extra:
Extra: Weilong GTS V2 Have some better corner cutting than Weilong GTS V2 WCA 2019
Another cube that didnt get into the desc???
Corner cutting:
MOYU: Weilong gts V1, V2, V3, Mojue M3, Yan3 and Guoguan Yuexiao pro > Weilong wrm maglev or lite
QIYI: Valk 3, Xman Tornado V1 > Valk 3 Elite M, Xman Tornado V2, V3
DAYAN: Dayan tengyun V1, Zanchi pro M > Dayan tengyun V2, (Tengyun v3????)
Extra:
CONGS DESIGN MeiYing (the RS3M from 2015)

Extra: Weilong GTS V2 Have some better corner cutting than Weilong GTS V2 WCA 2019Another cube that didnt get into the desc???