Memory perforance isn’t very impressive for Steamroller but that’s not something we can penalise ASUS for; I’ve seen similar results on a Gigabyte A88X motherboard last year.
SiSoft shows similar results but it is important to note that this synthetic memory performance has very little impact on the “real world” performance. Real world performance is dictated more by the CPU performance.
Combined Latency Test
Memory latency is similar to Intel’s X99, but that’s a quad-channel implementation. AMD’s Richland FM2 APUs have much better memory performance; remember you could use a Richland based Athlon X4 760K/A10-6800K in this system if you so desired.