which is better

[thomas123321]

Asus z87 sabertooth or gigabyte z87 ud3h

 

[Francisco Costa]

Asus z87 sabertooth or gigabyte z87 ud3h

gigabyte

 

[geofelt]

From a cpu performance point of view, they are identical.
Usually, sabretooth brand is a bit overpriced.
If both have the slots/features you need, pick the cheaper.