theres quite a few things, but these mobos are very similar.
Memory OC rating (2800)
Marvell® PCIe 9128 controller : with addition to the ASmedia controller for all your SATA connections
Realtek® 8111F, 1 x Gigabit LAN Controller(s)
Dual Gigabit LAN controllers- 802.3az Energy Efficient Ethernet (EEE) appliance
Blu-ray audio layer Content Protection
Has 2 Sata COnnections in the IO area
Memory OC rating (2600)
Supports DVI with max. resolution 1920 x 1200 @ 60 Hz
Supports RGB with max. resolution 2048 x 1536 @ 75 Hz
Has 2 more USB 2.0 connection capabilities
Has PS/2 Connector
Honestly the Delux is looking like a better buy. It's got more updated stuff.