Samsung Galaxy S25 Ultra vs iPhone 17 Screen Size Comparison

Visual comparison of Samsung Galaxy S25 Ultra (6.8") and iPhone 17 (6.3") screen size.

Last updated: Dec 2025

Detailed Comparison Analysis

In this Samsung Galaxy S25 Ultra vs iPhone 17 comparison, screen sizes are similar—6.8" versus 6.3"—a 0.5" gap that's hard to notice side-by-side. With 17% more viewing area, the Samsung Galaxy S25 Ultra gives you noticeably more content on screen. Samsung Galaxy S25 Ultra has a larger 5000mAh battery compared to 3850mAh on iPhone 17. iPhone 17 weighs 194g, 24g lighter than Samsung Galaxy S25 Ultra at 218g.This impacts how the phone handles in your hand and fits in your pocket. The Samsung Galaxy S25 Ultra's large display is great for videos and reading but harder to use one-handed.

Swipe left/right to switch modes
Overlay comparison view

The Verdict

The Samsung Galaxy S25 Ultra is 16.5% larger than the iPhone 17 in screen area.

Samsung Galaxy S25 Ultra

17.6 sq in

iPhone 17

15.1 sq in

View full specs

Samsung Galaxy S25 Ultra Screen Size

View full specs

iPhone 17 Screen Size

Quick Comparison

Samsung Galaxy S25 Ultra wins 6/8
6.8"
Screen Size
6.3"
17.6 sq in
Screen Area
15.1 sq in
2.85"
Width
2.64"
505 PPI
Pixel Density
458 PPI
5000 mAh
Battery
3850 mAh
218g
Weight
194g
120Hz
Refresh Rate
90Hz
2600 nits
Brightness
2000 nits
Samsung Galaxy S25 Ultra
vs
iPhone 17

Use Case Comparison

👋

One-Handed Use

Ease of reaching corners with your thumb

Samsung Galaxy S25 Ultra
Manageable
iPhone 17
Comfortable
🎬

Video Watching

Movies, streaming, and video content

Samsung Galaxy S25 Ultra
Excellent
iPhone 17
Very Good
👖

Pocket Fit

Comfort in jeans and jacket pockets

Samsung Galaxy S25 Ultra
Tight fit
iPhone 17
Fits easily
🎮

Mobile Gaming

Gaming performance and experience

Samsung Galaxy S25 Ultra
Excellent
iPhone 17
Very Good

Which Should You Choose?

Choose Samsung Galaxy S25 Ultra

  • You prioritize screen size for media and productivity
  • You typically use your phone with two hands
  • You want longer battery life (5000mAh vs 3850mAh)
  • You use your phone outdoors often (2600 nits)

Choose iPhone 17

  • You want a more manageable device size
  • You prefer easier one-handed use
  • You prefer a lighter phone (194g vs 218g)
  • You have smaller hands (72.1mm vs 77.6mm width)

Detailed Specifications

Diagonal
Samsung Galaxy S25 Ultra
6.8"
iPhone 17
6.3"
Diff: 0.5"
Dimensions (W × H)
Samsung Galaxy S25 Ultra
2.8" × 6.2"
iPhone 17
2.6" × 5.7"
Screen Area
Samsung Galaxy S25 Ultra
17.6 sq in
iPhone 17
15.1 sq in
Diff: 2.5 sq in
Aspect Ratio
Samsung Galaxy S25 Ultra
2.17:1
iPhone 17
2.17:1
Resolution
Samsung Galaxy S25 Ultra
3120 x 1440
iPhone 17
2622 x 1206
Refresh Rate
Samsung Galaxy S25 Ultra
120Hz
iPhone 17
90Hz
Diff: 30 Hz
Screen Type
Samsung Galaxy S25 Ultra
Dynamic AMOLED
iPhone 17
OLED
Peak Brightness
Samsung Galaxy S25 Ultra
2600 nits
iPhone 17
2000 nits
Diff: 600 nits
Weight
Samsung Galaxy S25 Ultra
218g
iPhone 17
194g
Diff: 24 g
Battery
Samsung Galaxy S25 Ultra
5000 mAh
iPhone 17
3850 mAh
Diff: 1150 mAh
Body Size (H×W×D)
Samsung Galaxy S25 Ultra
162.8×77.6×8.2mm
iPhone 17
152.8×72.1×7.8mm
Always-On Display
Samsung Galaxy S25 Ultra
Yes
iPhone 17
No
Category
Samsung Galaxy S25 Ultra
phone
iPhone 17
phone

Frequently Asked Questions

How much bigger is Samsung Galaxy S25 Ultra than iPhone 17?
Samsung Galaxy S25 Ultra is 0.5 inches larger diagonally (6.8" vs 6.3"), which translates to approximately 17% more screen area. In actual measurements, Samsung Galaxy S25 Ultra provides 17.6 square inches of viewing space compared to 15.1 square inches on iPhone 17.
Will both phones fit in my pocket?
Both phones will fit in standard pockets, but the iPhone 17 will be more comfortable. The Samsung Galaxy S25 Ultra measures 2.85" wide and 6.17" tall, which may feel bulky in tight jeans or smaller pockets. The iPhone 17 at 2.64" × 5.72" offers better portability.
Which is better for watching videos?
The Samsung Galaxy S25 Ultra offers a better video watching experience with 17% more screen area. This extra space makes movies and streaming content more immersive. The iPhone 17 is still good for videos but with a smaller viewing area.
Which is better for one-handed use?
The iPhone 17 (6.3") is easier to use one-handed due to its smaller size. The Samsung Galaxy S25 Ultra (6.8") may require two hands for some tasks, especially reaching the far corners of the screen.

Related Comparisons

Back to Screen Size Calculator