good functional class vs fair functional class

Examples:

• The new software update has placed the system in a good functional class.
• The car's engine is in a good functional class after the repairs.
• The smartphone offers a good functional class with its advanced features.
• The company's website is in a good functional class, providing a seamless user experience.
• The building's design puts it in a good functional class for energy efficiency.

Alternatives:

• excellent functional class
• high functional class
• superior functional class
• top functional class
• advanced functional class

Examples:

• The older model falls into a fair functional class compared to the latest versions.
• Despite its age, the equipment still maintains a fair functional class.
• The budget-friendly laptop offers a fair functional class for everyday tasks.
• The basic model provides a fair functional class for users with simple needs.
• The software update improved the system's performance to a fair functional class.

Alternatives:

• moderate functional class
• acceptable functional class
• satisfactory functional class
• adequate functional class
• reasonable functional class