Comparison between z68 and Z77 chipsets

[machine67891234]

Hi, Could someone please explain the differences between the z68 and Z77 chipsets in motherboards?

For processors, I'm going to go with an i5-3570k ivy.

This is the motherboard I was looking at using:

Cost is 119.99

BIOSTAR TZ77XE3 LGA 1155 Intel Z77 HDMI SATA 6Gb/s USB 3.0 ATX Intel Motherboard with UEFI BIOS

http://www.newegg.com/Product/Product.aspx?Item=N82E16813138355

Thanks for your help!

 

[THE UNKNOWN]

en.wikipedia.org/wiki/LGA_1155