iPhone 15 Pro (6.1") vs iPhone 16 Pro (6.3") — Side-by-Side Size Comparison

Compare iPhone 15 Pro (6.1") vs iPhone 16 Pro (6.3") side by side. The iPhone 16 Pro (6.3") has 3% more screen area (5.7" × 2.6" vs 5.5" × 2.6"). Free interactive overlay tool.

iPhone 15 Pro (6.1") measures 5.5" wide × 2.6" tall (14.3 sq in of screen area). iPhone 16 Pro (6.3") measures 5.7" wide × 2.6" tall (14.8 sq in). The iPhone 16 Pro (6.3") has 3% more screen area than the iPhone 15 Pro (6.1").

A 6.1" phone fits comfortably in most hands for one-handed use; a 6.3" phone requires two hands for many interactions but provides significantly more screen real estate for video, reading, and gaming. The 0.2" difference in width is the most impactful dimension for pocket fit and one-handed reach.

Quick Comparison Facts

More screen area

5.5" × 2.6"

iPhone 15 Pro (6.1") (W×H)

5.7" × 2.6"

iPhone 16 Pro (6.3") (W×H)

Display 1

Aspect ratio

Size

Orientation

Display 2

Aspect ratio

Size

Orientation

Size Comparison

Display 1: 6.1in 19.5x9 (vertical)

Display 2: 6.3in 19.5x9 (vertical)

Comparison Details

Display 1

6.1in diagonal

5.5" × 2.6" (W×H)

14.3 sq in area

19.5:9 · ~722 PPI (4K)

Difference

area difference

diagonal difference

Display 2

6.3in diagonal

5.7" × 2.6" (W×H)

14.8 sq in area

19.5:9 · ~699 PPI (4K)

Check exact PPI & sharpness for your desk depth →

Which Screen Size Should You Choose?

Choose the iPhone 15 Pro (6.1") if:

You use your phone mostly one-handed
Pocketability and comfort matter more than screen size
You have smaller hands (palm width under 3.5")
Battery size is less important than compactness

Choose the iPhone 16 Pro (6.3") if:

You watch videos, play games, or read on your phone regularly
You always carry your phone in a bag or large pocket
You want a bigger battery (larger phones typically have more capacity)
Split-screen multitasking is part of your workflow

iPhone 15 Pro (6.1") vs iPhone 16 Pro (6.3"): Detailed Specifications

Specification	iPhone 15 Pro (6.1")	iPhone 16 Pro (6.3")
Screen diagonal	6.1"	6.3"
Width	5.5"	5.7"
Height	2.6"	2.6"
Screen area	14.3 sq in	14.8 sq in

The iPhone 16 Pro (6.3") has 3% more screen area than the iPhone 15 Pro (6.1"). In practice, this means the iPhone 16 Pro (6.3") (5.7" wide) extends 0.2" further across and 0.0" taller than the iPhone 15 Pro (6.1").

The extra 0.0" of height on the iPhone 16 Pro (6.3") translates directly to more content visible on screen without scrolling — roughly 10–15% more lines of text or a noticeably larger keyboard. For streaming video, the 3% larger screen area makes a real difference in immersion. The trade-off is one-hand reachability: most people with average hands (3.5–3.8" palm width) find screens over 6.5" require two-hand use for tasks like typing at the top of the screen.

Use the interactive tool above to visualize exactly how these sizes compare on your screen. You can also adjust the aspect ratio and orientation to match your specific device.

Frequently Asked Questions

How much bigger is a iPhone 16 Pro (6.3") display than a iPhone 15 Pro (6.1")?

A iPhone 16 Pro (6.3") display has 3% more screen area than a iPhone 15 Pro (6.1"). The iPhone 15 Pro (6.1") measures 5.5" × 2.6" (14.3 sq in) while the iPhone 16 Pro (6.3") measures 5.7" × 2.6" (14.8 sq in).

What are the exact dimensions of a iPhone 16 Pro (6.3") display?

A iPhone 16 Pro (6.3") display measures 5.7 inches wide by 2.6 inches tall, giving a total viewing area of 14.8 square inches.

Is the iPhone 16 Pro (6.3") too big to use one-handed?

For most people with average-sized hands, phones over 6.5" become difficult to use fully one-handed. If you're upgrading from a iPhone 15 Pro (6.1") to a iPhone 16 Pro (6.3"), expect to use two hands for typing and reaching the top corners of the screen.