There are many enterprise frameworks. All these frameworks don't focus on all aspects with same rigour and detail. It is important to see how are they diferent.
Enterprise Architecture Frameworks

• Zachman Enterprise Framework
• TOGAF (The Open Group Architecture Framework)
• DoDAF (Department of Defence Architecture Framework)
• Gartner Enterprise Architecture Framework
• E2AF - Extended Eterprise Architecture Framework
• IAF - Capgemiin's Integrated Architecture Framework
• PEAF - Pragmatic Enterprise Architecture Framework
• FEAF - US Federal Enterprise Architecture Framework
• TEAF - Treasury Enterprise Architecture Framework

Differences:

• Various frameworks are evolved differently.
• Scope of various frameworks is different.
• Various frameworks follow different principles.
• Purpose of many of them is different.
• Structures of these frameworks are different.

Comparison:
Following criteria can help comparing various EA frameworks. Important or relevance of one criteria for an organization may be different than other organization:

1. Coverage
2. Detail/Completeness
3. Adoption in the Industry
4. Business Focus
5. Governance model
   
6. Vendor neutrality
7. Availability of information and resources
   
8. Implementation time
9. Efectiveness assesment
10. Tool/Templates/Blueprints/Reference model support

You can choose criteria which are important for your organization or relevent to your organization. Different criteria may have different weight for your organization.Scores in a scale of 1 to 5 can be given on various criteria for these frameworks where 5- Exelent, 4- Very good, 3.-Good, 2- Poor, 1- Very poor or no support/does not cover

Criteria	Zachman	TOGAF	DoDAF	EAF	E2AF	IAF	PEAF	FEAF	TEAF
Coverage
Completeness
Business
Availabilityof resources
Time to implement
Assesment
Support(Tools, Ref etc)
Govenrnance
Vendor neutrality
Adoption