AWS Vs Azure Vs GCP Vs Oracle – Top Features Top Features AWS Azure GCP Oracle SLA(Service Level Agreement) availability Amazon EC2- 99.5% annual uptime Amazon S3 – A monthly uptime of at least 99.9% for a billing cycle 99.9% uptime 99.95% monthly uptime 99.9% uptime Marketplace AWS marketplace Azure marketplace G Suite Marketplace Cloud Marketplace Supported OS Core OS, Windows, SLES, Red hat , Ubuntu, etc. SLES, Windows, CentOS, Oracle Linux, etc. Windows, SLES, CoreOS, FreeBSD, etc. Oracle Linux, CentOS, Ubuntu, Windows Customer Support Basic, Developer, Business and Enterprise Basic, Developer, Standard and Professional Direct Basic, Development, Production and Premium Support Basic, Premier Support and Advanced Customer Services Reservation Type On-Demand, 1-Year and 3-Year Pay as you go, 1-Year and 3-Year Pay as you go, 1-Year and 3-Year Pay as you go