In the AV-Comparatives Real-World Protection Test conducted in 2020, both Comodo and Zemana achieved good results, with Comodo Internet Security achieving a 98.9% protection rate and Zemana Anti-Malware achieving a 98.9% protection rate as well.
It is important to note that the effectiveness of an antivirus product can vary depending on the specific threats it is tested against and the testing methodology used. While independent testing can provide valuable insights into the effectiveness of antivirus products, it is always recommended to use multiple layers of security, such as a firewall and safe browsing practices, to further enhance your protection.
Ultimately, the choice between Comodo and Zemana will depend on your specific needs and preferences. Comodo offers a range of security features, including a firewall, sandboxing, and secure shopping, while Zemana focuses on malware detection and removal. It is recommended to evaluate the features and capabilities of each product to determine which one best meets your needs.