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

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

How are iPhone X and iPhone 4 scored?

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

iPhone X vs iPhone 4 2026 — Compared

iPhone X

iPhone 4

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...

emoji_events WINNER

iPhone X

9.7 Brilliant

Iphones Ever Released Get iPhone X open_in_new

iPhone 4

9.0 Excellent

Iphones Ever Released Get iPhone 4 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 X

The iPhone X marked a major redesign with an edge-to-edge OLED display, Face ID, and removal of the home button. It defined the modern iPhone aesthetic.

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.