Thanks for the data Kevin, much appreciated, particularly the extension of the range covered to all devices rather than just CEP2 devices as in the original post.

percent_devices percent_compute_power BOINC_version os_name                            p_vendor     
--------------- --------------------- ------------- ---------------------------------- ------------ 
0.06%           0.02%                 7.0           Android                            ARM          
0.41%           0.05%                 7.2           Android                            ARM          
2.72%           0.46%                 7.3           Android                            ARM          
0.99%           1.26%                 6.10          Darwin                             GenuineIntel 
0.51%           0.60%                 7.0           Darwin                             GenuineIntel 
1.30%           1.91%                 7.2           Darwin                             GenuineIntel 
0.27%           0.47%                 6.10          Linux                              AuthenticAMD 
0.47%           0.81%                 7.0           Linux                              AuthenticAMD 
0.70%           0.84%                 7.2           Linux                              AuthenticAMD 
0.06%           0.07%                 6.2           Linux                              GenuineIntel 
2.09%           7.56%                 6.10          Linux                              GenuineIntel 
0.19%           0.58%                 6.12          Linux                              GenuineIntel 
3.50%           7.18%                 7.0           Linux                              GenuineIntel 
8.94%           10.90%                7.2           Linux                              GenuineIntel 
0.08%           0.05%                 6.2           Microsoft                          AuthenticAMD 
0.32%           0.21%                 6.2           Microsoft                          GenuineIntel 
0.46%           0.60%                 6.10          Microsoft                          GenuineIntel 
2.29%           1.63%                 6.10          Microsoft Windows 7                AuthenticAMD 
0.36%           0.39%                 7.0           Microsoft Windows 7                AuthenticAMD 
0.96%           0.93%                 7.2           Microsoft Windows 7                AuthenticAMD 
47.92%          27.84%                6.10          Microsoft Windows 7                GenuineIntel 
0.27%           0.43%                 6.12          Microsoft Windows 7                GenuineIntel 
2.27%           4.24%                 7.0           Microsoft Windows 7                GenuineIntel 
4.88%           7.65%                 7.2           Microsoft Windows 7                GenuineIntel 
0.08%           0.09%                 7.0           Microsoft Windows 8                AuthenticAMD 
0.10%           0.10%                 7.2           Microsoft Windows 8                AuthenticAMD 
0.60%           1.98%                 7.0           Microsoft Windows 8                GenuineIntel 
0.52%           0.88%                 7.2           Microsoft Windows 8                GenuineIntel 
0.33%           0.34%                 7.2           Microsoft Windows 8.1              AuthenticAMD 
1.73%           3.08%                 7.2           Microsoft Windows 8.1              GenuineIntel 
0.07%           0.03%                 6.10          Microsoft Windows Server 2003      AuthenticAMD 
0.10%           0.08%                 5.10          Microsoft Windows Server 2003      GenuineIntel 
0.66%           1.01%                 6.10          Microsoft Windows Server 2003      GenuineIntel 
0.23%           0.23%                 7.2           Microsoft Windows Server 2003      GenuineIntel 
0.06%           0.08%                 5.10          Microsoft Windows Server 2003 "R2" GenuineIntel 
0.24%           0.44%                 6.10          Microsoft Windows Server 2003 "R2" GenuineIntel 
0.12%           0.13%                 7.2           Microsoft Windows Server 2003 "R2" GenuineIntel 
0.17%           0.40%                 6.10          Microsoft Windows Server 2008      GenuineIntel 
0.06%           0.18%                 7.2           Microsoft Windows Server 2008      GenuineIntel 
0.06%           0.10%                 6.10          Microsoft Windows Server 2008 "R2" AuthenticAMD 
0.92%           3.36%                 6.10          Microsoft Windows Server 2008 "R2" GenuineIntel 
0.11%           0.22%                 7.0           Microsoft Windows Server 2008 "R2" GenuineIntel 
1.51%           3.80%                 7.2           Microsoft Windows Server 2008 "R2" GenuineIntel 
0.10%           0.19%                 7.2           Microsoft Windows Server 2012      GenuineIntel 
0.06%           0.03%                 7.2           Microsoft Windows Server 2012 R2   AuthenticAMD 
0.06%           0.39%                 7.2           Microsoft Windows Server 2012 R2   GenuineIntel 
0.11%           0.06%                 6.10          Microsoft Windows Vista            AuthenticAMD 
0.06%           0.03%                 7.2           Microsoft Windows Vista            AuthenticAMD 
0.18%           0.07%                 6.2           Microsoft Windows Vista            GenuineIntel 
0.50%           0.27%                 6.10          Microsoft Windows Vista            GenuineIntel 
0.09%           0.08%                 7.0           Microsoft Windows Vista            GenuineIntel 
0.18%           0.14%                 7.2           Microsoft Windows Vista            GenuineIntel 
0.06%           0.01%                 5.10          Microsoft Windows XP               AuthenticAMD 
0.10%           0.04%                 6.2           Microsoft Windows XP               AuthenticAMD 
0.51%           0.19%                 6.10          Microsoft Windows XP               AuthenticAMD 
0.13%           0.05%                 7.0           Microsoft Windows XP               AuthenticAMD 
0.28%           0.09%                 7.2           Microsoft Windows XP               AuthenticAMD 
0.05%           0.02%                 5.8           Microsoft Windows XP               GenuineIntel 
0.42%           0.16%                 5.10          Microsoft Windows XP               GenuineIntel 
0.48%           0.19%                 6.2           Microsoft Windows XP               GenuineIntel 
0.07%           0.03%                 6.6           Microsoft Windows XP               GenuineIntel 
3.84%           2.05%                 6.10          Microsoft Windows XP               GenuineIntel 
0.08%           0.05%                 6.12          Microsoft Windows XP               GenuineIntel 
0.51%           0.33%                 7.0           Microsoft Windows XP               GenuineIntel 
0.92%           0.55%                 7.2           Microsoft Windows XP               GenuineIntel