AEM Sites Essential Contains basic AEM setup of Author, Publisher, Replication, Dispatcher and visual customization of the default theme, core components, and ACS commons components, setup of DAM hierarchy and taxonomy, This is enough to launch a fully functional website without a lot of branding elements, This will ensure your website is secured as per Adobe security checklist, DTM integration with AEM, the inclusion of basic tags like Facebook pixel, GA, Integration with Magento with CIF connector and setup of Commerce Core Components utilizing CIF Core components for managing the front end of products, catalogs, cart, etc.
AEM Sites Extra Provides all that AEM Essential package provides plus: Customized Product Listing template, Customized Product Detail template, Customized Cart Template, Setup most popular products with Adobe Analytics-driven results, Custom commerce teaser component on Homepage.
Audience Data & Site Behavior Number of visits, Number of unique visitors, New vs. returning visitor ratio, What region they are from, What browser or device they are on (desktop vs. mobile), Cross Domain Tracking, Activity Map, Product Popularity Tracking. Audience Behavior Common Landing Pages, Common Exit Pages, Frequently Visited Page, Time spent per visit, Number of pages per visit, Bounce Rate.
Personalization Essential Integration with existing CMS through Tag Manager like DTM/GTM, Personalization using Audiences and Segments, Setup VEC and training customer for A/B, Multivariate Testing, Split URL Testing, Setup 1 A/B test and Split URL test for campaign landing page and Setup conversion and test reports, Setup personalization on the basis of OOB global segments, Setup personalization of Product page on the basis of 1 logged in user profile trait.
Adobe image stocks service https://stock.adobe.com/
AEM connector is not ready at the moment. The Adobe team is developing it. Here is a link to code. There is a big risk that AEM needs to be improved at the moment. So we need to set higher estimates. See also: https://www.adobe.io/apis/experiencecloud/commerce-integration-framework/integrations.html#!AdobeDocs/commerce-cif-documentation/master/integrations/02-AEM-Magento.md
There is plenty of integration from different extensions providers, also I`ve created my own integration for Marketo for M1. Price is a big question for these integrations, as well as quality
Integration is already coming out of the box, however, need to configure it