1. "Softlayer is also the only platform that allows the provisioning of bare metal[...]": so does AWS: https://aws.amazon.com/about-aws/whats-new/2017/11/announcin...
2. "Softlayer and AWS charge in hourly increments." AWS offers per-second billing: https://aws.amazon.com/blogs/aws/new-per-second-billing-for-...
3. Echoing @tedivm's comment, for a real comparison you'd really have to include GPUs. Do you plan to write a follow-up? (Disclaimer: I work for AWS)