What are the key differences between OS X Lion and macOS Big Sur?

Compare OS X Lion and macOS Big Sur side by side on Lunoo to see detailed feature differences, AI scores, and expert analysis.

How are OS X Lion and macOS Big Sur scored?

OS X Lion has an AI score of 6.4/10 and macOS Big Sur has an AI score of 8.6/10. Scores are based on features, user satisfaction, and overall quality analysis.

OS X Lion vs macOS Big Sur 2026 — Compared

OS X Lion

macOS Big Sur

WINNER macOS Big Sur

macOS Big Sur edges ahead with a score of 8.6/10 compared to 6.4/10 for OS X Lion. While both are highly rated in their...

OS X Lion

6.4 Fair

Consumer Electronics

emoji_events WINNER

macOS Big Sur

8.6 Very Good

Consumer Electronics Get macOS Big Sur open_in_new

psychology AI Verdict

macOS Big Sur edges ahead with a score of 8.6/10 compared to 6.4/10 for OS X Lion. While both are highly rated in their respective fields, macOS Big Sur demonstrates a slight advantage in our AI ranking criteria. A detailed AI-powered analysis is being prepared for this comparison.

emoji_events Winner: macOS Big Sur

verified Confidence: Low

Ready to decide? Get macOS Big Sur arrow_forward

description Overview

OS X Lion

OS X Lion was a controversial release that introduced Launchpad and Mission Control, attempting to bridge the gap between touch-based interfaces and the desktop. It was the first version to be distributed primarily via the Mac App Store. Today, it is completely obsolete and insecure. It lacks the modern security patches and software compatibility required for any functional use. It is only of inte...

macOS Big Sur

macOS Big Sur marked the biggest visual redesign of the operating system in over a decade, aligning the Mac interface more closely with iOS. It was the first version to fully support Apple Silicon, making it a historically significant release. While it looks modern, it is now considered legacy software. It is suitable for users who are stuck on older hardware and cannot upgrade, but it lacks the s...