Accumulation

Hi,
for intermediate powerlifter is better progression with reps or set in Accumulation Block?Why???

week1- 8sets for 3with 77-80%1Rm(high Buffer)

2------- 8x4–80%1Rm

3--------8x5–80% 1Rm

…week idem 1th week but 5-10 lbs more

OR

week 1-4x4 with 75-80% 1RM
2-------6 x4
3-------7-8sets with 80%

week 4-idem week1 but more weigth…
???:confused:------------


What are better method x intermediate(blog,site,articles…):confused: