I have owned both 4 stripe and current Tour versions of mids. Tour version is significantly more HL than the 4 stripes. I don't think QC is all that good with those as one was ~12 pts HL vs the second one being only ~8 pts HL on Tour models.
4 stripes that I had were quite a bit less HL ~6 pts HL.
If you read the feedback section on the POG mid, you would notice pretty much everyone agrees that you have to place significant amounts of lead tape on the hoop of Tour model to make them feel close to the 4 stripes. So OP's findings may not be totally off base imo.