- The All Traffic > Source/Medium report does not include view-through sessions
- The All Traffic > Source/Medium report uses the Google Analytics attribution model (GA Model) while the Acquisition > Google Marketing Platform > Display & Video 360 reports use the Campaign Manager attribution model (CM Model)
- The All Traffic reports use the date range set in Google Analytics while the Acquisition > Google Marketing Platform > Display & Video 360 reports report sessions during the lookback window
- The All Traffic > Source/Medium report may be sampled while the Acquisition > Google Marketing Platform > Display & Video 360 reports are always unsampled