SiSoft Sandra 2009 ver 15.72: Processor Processor Arithmetic Dhrystone ALU: (GIPS) Points Ranking MSI X58 Platinum (X58 133/1066) 68.25 MSI Eclipse Plus (X58 133/1066) 67.64 Gigabyte GA-P55A-UD6 (P55 133/1333) 54.11 Gigabyte GA-P55-UD6 (P55 133/1333) 54.13 Gigabyte GA-P55-UD5 (P55 133/1333) 54.12 Gigabyte GA-P55A-UD4P (P55 133/1333) 54.11 Gigabyte GA-P55-UD3R (P55 133/1333) 54.22 ASUS P7P55D Deluxe (P55 133/1333) 54.42 ASUS P7P55D Premium (P55 133/1333) 54.43 Gigabyte GA-MA790FXT-UD5P (790FX 200/1066) 43.7 MSI 785GM-E65 (785G 200/1066) 43.76 ASUS M4A785TD-V Evo (785G 200/1066) 43.63 Gigabyte GA-MA785GMT-UD2H (785G 200/1066) 43.8 Gigabyte GA-MA785G-UD3H (785G 200/1066) 43.78 Processor Arithmetic Whetstone iSSE3: (Gflops) Points Ranking MSI X58 Platinum (X58 133/1066) 60.22 MSI Eclipse Plus (X58 133/1066) 60.22 Gigabyte GA-P55A-UD6 (P55 133/1333) 34.29 Gigabyte GA-P55-UD6 (P55 133/1333) 34.31 Gigabyte GA-P55-UD5 (P55 133/1333) 33.65 Gigabyte GA-P55A-UD4P (P55 133/1333) 34.33 Gigabyte GA-P55-UD3R (P55 133/1333) 34.41 ASUS P7P55D Deluxe (P55 133/1333) 34.25 ASUS P7P55D Premium (P55 133/1333) 34.26 Gigabyte GA-MA790FXT-UD5P (790FX 200/1066) 42.17 MSI 785GM-E65 (785G 200/1066) 42.17 ASUS M4A785TD-V Evo (785G 200/1066) 42.2 Gigabyte GA-MA785GMT-UD2H (785G 200/1066) 42.21 Gigabyte GA-MA785G-UD3H (785G 200/1066) 42.25 Processor Multi-Media Int x8 iSSE3: (Mpixels/s) Points Ranking MSI X58 Platinum (X58 133/1066) 119.35 MSI Eclipse Plus (X58 133/1066) 119.58 Gigabyte GA-P55A-UD6 (P55 133/1333) 95.45 Gigabyte GA-P55-UD6 (P55 133/1333) 95.45 Gigabyte GA-P55-UD5 (P55 133/1333) 95.45 Gigabyte GA-P55A-UD4P (P55 133/1333) 95.45 Gigabyte GA-P55-UD3R (P55 133/1333) 95.63 ASUS P7P55D Deluxe (P55 133/1333) 95.99 ASUS P7P55D Premium (P55 133/1333) 96.02 Gigabyte GA-MA790FXT-UD5P (790FX 200/1066) 125.63 MSI 785GM-E65 (785G 200/1066) 125.39 ASUS M4A785TD-V Evo (785G 200/1066) 125.48 Gigabyte GA-MA785GMT-UD2H (785G 200/1066) 125.64 Gigabyte GA-MA785G-UD3H (785G 200/1066) 125.65 Processor Multi-Media Float x4 iSSE2: (Mpixels/s) Points Ranking MSI X58 Platinum (X58 133/1066) 95.94 MSI Eclipse Plus (X58 133/1066) 96.5 Gigabyte GA-P55A-UD6 (P55 133/1333) 59.45 Gigabyte GA-P55-UD6 (P55 133/1333) 59.45 Gigabyte GA-P55-UD5 (P55 133/1333) 59.44 Gigabyte GA-P55A-UD4P (P55 133/1333) 59.45 Gigabyte GA-P55-UD3R (P55 133/1333) 59.56 ASUS P7P55D Deluxe (P55 133/1333) 59.78 ASUS P7P55D Premium (P55 133/1333) 59.8 Gigabyte GA-MA790FXT-UD5P (790FX 200/1066) 55 MSI 785GM-E65 (785G 200/1066) 54.94 ASUS M4A785TD-V Evo (785G 200/1066) 54.93 Gigabyte GA-MA785GMT-UD2H (785G 200/1066) 55.04 Gigabyte GA-MA785G-UD3H (785G 200/1066) 55.04 Processor Multi-Media Float x2 iSSE2: (Mpixels/s) Points Ranking MSI X58 Platinum (X58 133/1066) 49.63 MSI Eclipse Plus (X58 133/1066) 49.63 Gigabyte GA-P55A-UD6 (P55 133/1333) 30.31 Gigabyte GA-P55-UD6 (P55 133/1333) 30.29 Gigabyte GA-P55-UD5 (P55 133/1333) 30.3 Gigabyte GA-P55A-UD4P (P55 133/1333) 30.31 Gigabyte GA-P55-UD3R (P55 133/1333) 30.37 ASUS P7P55D Deluxe (P55 133/1333) 30.48 ASUS P7P55D Premium (P55 133/1333) 30.49 Gigabyte GA-MA790FXT-UD5P (790FX 200/1066) 29.99 MSI 785GM-E65 (785G 200/1066) 30.04 ASUS M4A785TD-V Evo (785G 200/1066) 29.89 Gigabyte GA-MA785GMT-UD2H (785G 200/1066) 30.03 Gigabyte GA-MA785G-UD3H (785G 200/1066) 30.06

SiSoft Sandra's CPU benchmark shows what you want to see: the Gigabyte GA-P55A-UD4P motherboard performs exactly the same as the other identically equipped P55 platforms.