What are the key differences between iPhone 4 and iPhone X?

Compare iPhone 4 and iPhone X side by side on Lunoo to see detailed feature differences, AI scores, and expert analysis.

How are iPhone 4 and iPhone X scored?

iPhone 4 has an AI score of 9.0/10 and iPhone X has an AI score of 9.7/10. Scores are based on category fit, feature coverage, pricing signals, public reception, and recency.

iPhone 4 vs iPhone X 2026 - Compared

iPhone 4

iPhone X

WINNER iPhone X

iPhone X edges ahead with a score of 9.7/10 compared to 9.0/10 for iPhone 4. While both are highly rated in their respec...

iPhone 4

9.0 Excellent

Iphones Ever Released Get iPhone 4 open_in_new

emoji_events WINNER

iPhone X

9.7 Brilliant

Iphones Ever Released Get iPhone X open_in_new

psychology AI Verdict

iPhone X edges ahead with a score of 9.7/10 compared to 9.0/10 for iPhone 4. While both are highly rated in their respective fields, iPhone X demonstrates a slight advantage in our AI ranking criteria. A detailed AI-powered analysis is being prepared for this comparison.

emoji_events Winner: iPhone X

verified Confidence: Low

Ready to decide? Get iPhone X arrow_forward

description Overview

iPhone 4

The iPhone 4 is arguably the phone that defined the modern smartphone experience for the masses. Its introduction of the high-quality front-facing camera and the revolutionary capacitive touchscreen cemented Apple's dominance. While technologically primitive by today's standards, its cultural and functional impact is immeasurable, making it a landmark device.

iPhone X

The iPhone X represents Apple’s significant shift in smartphone design. Featuring an all-screen OLED display, it introduced Face ID for secure authentication and eliminated the physical home button. This device is notable for establishing many of the features now common in iPhones. It's primarily intended for users seeking a modern iPhone experience with advanced biometric security and a seamless...