Neoverse N1 - 96 cores.
Neoverse N2 - 64 cores.
Neoverse V1 - 64 cores.
Neoverse V2 - 96 cores.
x86 (Xeon 8480) - 56 cores.
AMD Epyc 9654 - 96 cores.

Threads    N1         N2            V1         V2       Xeon       Epyc
    1      30.88      32.15      33.54      32.82      27.46       8.45
    2     142.56     134.48     132.01     131.50     116.68      46.53
    4     310.18     282.75     287.59     271.82     251.88      86.11
    8     702.02     710.29     736.72     670.63     533.46     194.60
   16   1,436.17   1,684.80   1,833.69   1,782.78   1,100.15     827.28
   24   2,185.55   2,508.86   2,732.22   2,815.26   1,646.09   1,530.28
   32   2,942.48   3,432.84   3,643.64   3,782.23   2,236.81   2,278.52
   48   4,466.56   5,174.72   5,401.95   5,621.41   4,926.30   3,026.58

After
Threads    N1         N2            V1       V2       Xeon       Epyc
    1      32.41      32.11      34.43    31.32      27.94       9.82
    2      32.64      33.72      35.11    31.30      28.02       9.81
    4      32.71      36.84      34.67    31.35      28.12      10.49
    8      58.22      31.60      36.87    31.72      47.09      16.52
   16      70.15      47.76      52.37    47.26      70.91      14.53
   24      77.38      78.14      81.67    71.98      87.20      21.70
   32      87.54      98.01      84.73    86.79     109.25      22.65
   48     121.54     128.14     120.51   104.35     175.08      26.85