| S. No. | DSP | DCM |
| 1. | DSP is demand side platform which is a buyer side platform | DCM is DoubleClick campaign manager which is an ad server for advertisers |
| 2. | DSP helps to manage multiple ad exchanges, ad networks or sites using one interface. | DCM helps advertiser or agencies to create tags or trackers by which they can track their campaign performance and status of delivery |
| 3. | Advertiser can bid for their target users on an open forum | Advertiser can create multiple tags or tracker to track multiple events taken by user on the ad |
| 4. | DSP is a web-based tool used for real-time buying of impressions | It is a web-based tool used for ad management |
| 5. | A DSP ‘plugs in’ to an ad exchange where publishers make their inventory available | DCM has no role in real-time bidding directly and is only responsible for sharing tags as per requirement after which it helps in reporting |
| 6. | There are multiple DSP’s where DBM (DoubleClick Bid manager) is Google’s DSP | DCM is a tool provided by Google |
