Which providers offer the best rates for dedicated servers in Frankfurt? How can I choose the optimal option in terms of price and performance?

Good afternoon. I can recommend you a hosting provider that I have been using for several years. If you are looking for a provider with favourable plans for dedicated servers in Frankfurt, one of the best options might be HostZealot - https://www.hostzealot.com/servers/city-de-frankfurt. They offer powerful servers with a great price to performance ratio. For example, one of their plans includes:
CPU: AMD Ryzen 9 7900, 12 cores, 24 threads, 3.7GHz HT
RAM: 64GB DDR5
Drive: 960GB NVMe
Cost: 153€/month
This plan is great for projects that require high performance, such as resource-intensive web applications or databases.

When selecting the best option, it’s important to consider factors such as processor performance, RAM, and more. You should first understand your own needs.

This plan from HostZealot could be a good choice if you need high performance at a reasonable price. I think they also have more affordable plans.