1. 项目管理：
项目管理，顾名思义，是一种管理技能，涉及从头到尾管理单个项目，并确保它在给定的时间内成功完成。
2. 投资组合管理：
投资组合管理，顾名思义，是一种管理技能，涉及管理组织内的所有项目，以便它们可以最大化收益并增加投资回报。
项目管理和项目组合管理的区别：
| Project Management | Portfolio Management |
|---|---|
| It mainly focuses on management of particular project. | It mainly focuses on all projects within organization. |
| It simply manages individual projects and makes sure that it gets completed on given period of time within budget also. | It simply manages investments of individuals so that they can increase their earnings within given period of time. |
| This management generally focuses various tasks within particular project to achieve desired result or product. | This management generally focuses on high-level view of any activity or task or project of any organization. |
| It is a temporary process but unique. | It is a ongoing process that has to performed on daily basis. |
| It does not make a strategic plans and prioritize projects. | It makes strategic plans, prioritize projects, selects important projects that will benefit organization. |
| It makes unnecessary use of resources for each project that are not even important. | It decreases unnecessary use of resources by prioritizing project that are important. |
| This management direct a individual project successfully. | This management is about selecting and implementing right projects for organization to fulfill long-term objectives. |
| Its main goal is to complete single project and provide service. | Its main goal is to look at all projects and in turn improves return of investment as well as reduction of costs. |
| This management is basically used for small scale projects and more detailed one. | This management is basically used for not only large scale projects but also for more diffused one. |