Both the ASUS and Gigabyte 890GX motherboards were nearly tied, but Gigabyte 890GPA-UD3H overall had better scores and lead in each testing section.
The Gigabyte 890GPA-UD3H motherboard has solid SATA3 6Gbps (from SB850) & USB 3.0 (from NEC) performance from the testing that we have done on it thus far.
Gigabyte 890GPA-UD3H motherboard can hit highest core clock speed of 4.2GHz on AMD PhenomII X4 965 with AMD Overdrive 3.1 and called it a success for a $139 motherboard!
Gigabyte 890GPA-UDH3 motherboard with its 4GB of 1600MHz DDR3 memory ran slightly faster than the ASUS M4A89GTD Pro/USB3 with the same exact memory timings. Both motherboards had a memory bandwidth of roughly 12.5GB/s, which is impressive, though.