SiSoft Sandra 2009 ver 15.72: Memory Multicore Efficiency Bandwidth: (GB/s) Points Ranking MSI X58 Platinum (X58 133/1066) 30.51 MSI Eclipse Plus (X58 133/1066) 32.33 Gigabyte GA-P55A-UD6 (P55 133/1333) 12.9 Gigabyte GA-P55-UD6 (P55 133/1333) 13.21 Gigabyte GA-P55-UD5 (P55 133/1333) 13.35 Gigabyte GA-P55A-UD4P (P55 133/1333) 12.26 Gigabyte GA-P55-UD3R (P55 133/1333) 13 ASUS P7P55D Deluxe (P55 133/1333) 13.16 ASUS P7P55D Premium (P55 133/1333) 13.26 Gigabyte GA-MA790FXT-UD5P (790FX 200/1066) 4.95 MSI 785GM-E65 (785G 200/1066) 4.59 ASUS M4A785TD-V Evo (785G 200/1066) 4.57 Gigabyte GA-MA785GMT-UD2H (785G 200/1066) 4.66 Gigabyte GA-MA785G-UD3H (785G 200/1066) 4.65 Multicore Efficiency Latency: (ns) Points Ranking MSI X58 Platinum (X58 133/1066) 17 MSI Eclipse Plus (X58 133/1066) 18 Gigabyte GA-P55A-UD6 (P55 133/1333) 58 Gigabyte GA-P55-UD6 (P55 133/1333) 60 Gigabyte GA-P55-UD5 (P55 133/1333) 61 Gigabyte GA-P55A-UD4P (P55 133/1333) 56 Gigabyte GA-P55-UD3R (P55 133/1333) 60 ASUS P7P55D Deluxe (P55 133/1333) 62 ASUS P7P55D Premium (P55 133/1333) 56 Gigabyte GA-MA790FXT-UD5P (790FX 200/1066) 89 MSI 785GM-E65 (785G 200/1066) 91 ASUS M4A785TD-V Evo (785G 200/1066) 97 Gigabyte GA-MA785GMT-UD2H (785G 200/1066) 89 Gigabyte GA-MA785G-UD3H (785G 200/1066) 77 Memory Bandwidth Int iSSE2: (GB/s) Points Ranking MSI X58 Platinum (X58 133/1066) 18.86 MSI Eclipse Plus (X58 133/1066) 18.87 Gigabyte GA-P55A-UD6 (P55 133/1333) 16.37 Gigabyte GA-P55-UD6 (P55 133/1333) 16.3 Gigabyte GA-P55-UD5 (P55 133/1333) 16.23 Gigabyte GA-P55A-UD4P (P55 133/1333) 16.41 Gigabyte GA-P55-UD3R (P55 133/1333) 16.36 ASUS P7P55D Deluxe (P55 133/1333) 16.41 ASUS P7P55D Premium (P55 133/1333) 16.58 Gigabyte GA-MA790FXT-UD5P (790FX 200/1066) 12.18 MSI 785GM-E65 (785G 200/1066) 11.41 ASUS M4A785TD-V Evo (785G 200/1066) 11.42 Gigabyte GA-MA785GMT-UD2H (785G 200/1066) 12.12 Gigabyte GA-MA785G-UD3H (785G 200/1066) 12.24 Memory Bandwidth Float iSSE2: (GB/s) Points Ranking MSI X58 Platinum (X58 133/1066) 18.86 MSI Eclipse Plus (X58 133/1066) 18.88 Gigabyte GA-P55A-UD6 (P55 133/1333) 16.41 Gigabyte GA-P55-UD6 (P55 133/1333) 16.25 Gigabyte GA-P55-UD5 (P55 133/1333) 16.15 Gigabyte GA-P55A-UD4P (P55 133/1333) 16.51 Gigabyte GA-P55-UD3R (P55 133/1333) 16.28 ASUS P7P55D Deluxe (P55 133/1333) 16.51 ASUS P7P55D Premium (P55 133/1333) 16.47 Gigabyte GA-MA790FXT-UD5P (790FX 200/1066) 12.17 MSI 785GM-E65 (785G 200/1066) 11.41 ASUS M4A785TD-V Evo (785G 200/1066) 11.36 Gigabyte GA-MA785GMT-UD2H (785G 200/1066) 12.13 Gigabyte GA-MA785G-UD3H (785G 200/1066) 12.75 Memory Latency (Random): (ns) Points Ranking MSI X58 Platinum (X58 133/1066) 81 MSI Eclipse Plus (X58 133/1066) 81 Gigabyte GA-P55A-UD6 (P55 133/1333) 78 Gigabyte GA-P55-UD6 (P55 133/1333) 79 Gigabyte GA-P55-UD5 (P55 133/1333) 78 Gigabyte GA-P55A-UD4P (P55 133/1333) 79 Gigabyte GA-P55-UD3R (P55 133/1333) 78 ASUS P7P55D Deluxe (P55 133/1333) 78 ASUS P7P55D Premium (P55 133/1333) 78 Gigabyte GA-MA790FXT-UD5P (790FX 200/1066) 83 MSI 785GM-E65 (785G 200/1066) 81 ASUS M4A785TD-V Evo (785G 200/1066) 82 Gigabyte GA-MA785GMT-UD2H (785G 200/1066) 83 Gigabyte GA-MA785G-UD3H (785G 200/1066) 80 Memory Latency (Linear): (ns) Points Ranking MSI X58 Platinum (X58 133/1066) 9 MSI Eclipse Plus (X58 133/1066) 9 Gigabyte GA-P55A-UD6 (P55 133/1333) 8 Gigabyte GA-P55-UD6 (P55 133/1333) 8 Gigabyte GA-P55-UD5 (P55 133/1333) 8 Gigabyte GA-P55A-UD4P (P55 133/1333) 10 Gigabyte GA-P55-UD3R (P55 133/1333) 8 ASUS P7P55D Deluxe (P55 133/1333) 8 ASUS P7P55D Premium (P55 133/1333) 8 Gigabyte GA-MA790FXT-UD5P (790FX 200/1066) 15 MSI 785GM-E65 (785G 200/1066) 15 ASUS M4A785TD-V Evo (785G 200/1066) 15 Gigabyte GA-MA785GMT-UD2H (785G 200/1066) 15 Gigabyte GA-MA785G-UD3H (785G 200/1066) 14

While CPU performance is better than expected, synthetic memory performance results are actually a little bit slower than the other motherboards based on the Intel P55 Express chipset. We'll see if this turns into real-world performance deficit.