What is one major differences between the executive branch at the national and state levels

 The U. S. Executive Branch, run by President Obama may make treaties with foreign nations. 
The State Executive Brand, run by the governor may not make treaties with foreign nations. 

The President may order the mint to coin money (paper and metal.) 
The Governor may not coin money (paper and metal.) 

The Governor may line item veto spending bills in many states. 
The President may not line item veto spending bills. 

The President may send troops into foreign nations. 
The Governor may not send the National Guard into foreign nations. 

The President may issue a Presidential Pardon to men & women convicted or accused or might be accused of a Federal crime. 
The Governor may issue a Pardon to men & women convicted or accused or might be accused of a Federal crime. 

These are some of the differences and similarities.