What are the key differences between iPhone 15 and iPhone 4?

Compare iPhone 15 and iPhone 4 side by side on Lunoo to see detailed feature differences, AI scores, and expert analysis.

How are iPhone 15 and iPhone 4 scored?

iPhone 15 has an AI score of 8.3/10 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 15 vs iPhone 4 2026 - Compared

iPhone 15

iPhone 4

WINNER iPhone 4

iPhone 4 edges ahead with a score of 9.0/10 compared to 8.3/10 for iPhone 15. While both are highly rated in their respe...

iPhone 15

8.25 Great

Iphone Get iPhone 15 open_in_new

emoji_events WINNER

iPhone 4

9.20 Excellent

Iphone Get iPhone 4 open_in_new

psychology AI Verdict

iPhone 4 edges ahead with a score of 9.0/10 compared to 8.3/10 for iPhone 15. While both are highly rated in their respective fields, iPhone 4 demonstrates a slight advantage in our AI ranking criteria. A detailed AI-powered analysis is being prepared for this comparison.

emoji_events Winner: iPhone 4

verified Confidence: Low

Ready to decide? Get iPhone 4 arrow_forward

description Overview

iPhone 15

The iPhone 15 features a USB-C charging port for the first time, replacing the Lightning connector previously used across Apple's smartphone lineup.

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.