Skip to main content
SizeVS

iPhone 15 vs Samsung Galaxy S25 Ultra

True-scale visual comparison — see exact mm dimensions side by side with detailed specs.

100% Objective Comparisons — Data sourced from official manufacturers
See our methodology

Choose how to display the two devices: stacked, overlapped, or split with a slider.

100%
Samsung Galaxy S25 Ultra is 10.0% taller
iPhone 15 — 147.6mm × 71.6mm
iPhone 15
147.6mm×71.6mm
Samsung Galaxy S25 Ultra — 162.3mm × 79mm
Samsung Galaxy S25 Ultra
162.3mm×79mm
Scaled to real proportions

Specifications Comparison

A

iPhone 15

Apple

3 wins
B

Samsung Galaxy S25 Ultra

Samsung

5 wins
S

Screen Size

iPhone 15

6.1"

Samsung Galaxy S25 Ultra

6.9"

Difference: 0.8" (13.1% more)
B

Battery

iPhone 15

3,340mAh

Samsung Galaxy S25 Ultra

5,000mAh

Difference: 1,660mAh (49.7% more)
R

RAM

iPhone 15

6GB

Samsung Galaxy S25 Ultra

12GB

Difference: 6GB (100.0% more)
W

Weight

iPhone 15

171g

Samsung Galaxy S25 Ultra

232g

Difference: 61g (35.7% less)
S

Storage

iPhone 15

128GB

Samsung Galaxy S25 Ultra

256GB

Difference: 128GB (100.0% more)
M

Main Camera

iPhone 15

48MP

Samsung Galaxy S25 Ultra

200MP

Difference: 152MP (316.7% more)
P

Price

iPhone 15

799$

Samsung Galaxy S25 Ultra

1,299$

Difference: 500$ (62.6% less)
H

Height

iPhone 15

147.6mm

Samsung Galaxy S25 Ultra

162.3mm

W

Width

iPhone 15

71.6mm

Samsung Galaxy S25 Ultra

79mm

T

Thickness

iPhone 15

7.8mm

Samsung Galaxy S25 Ultra

8.6mm

Difference: 0.8mm (10.3% less)
iPhone 15
Samsung Galaxy S25 Ultra
Winner in category
Last updated: March 23, 2026
Source: Official Source
Last updated: March 24, 2026
Source: samsung.com

Why Trust Our Comparisons

Verified Data

All specs verified from official sources

No Affiliate Bias

We don't earn from product sales

Regularly Updated

Data refreshed when specs change

Transparent Method

Our comparison methodology is public

SE

SizeVS Editorial Team

Verified

Product Comparison Specialists

Our team of tech enthusiasts and data analysts work to provide accurate, unbiased product comparisons.

Verified Data Sources Editorial Standards
Updated:
Our methodology

Explore this matchup

View iPhone 15 View Samsung Galaxy S25 Ultra Screen SizeBatteryRAMWeightStorage

More related comparisons

GT 7vsSamsung Galaxy S25 Ultra
Compare specs & size →
Samsung Galaxy S25 UltravsPixel
Compare specs & size →
Samsung Galaxy S25 UltravsOpen
Compare specs & size →
Samsung Galaxy S25 UltravsiQOO Z11 Turbo
Compare specs & size →
iPhone 15vsPixel 6a
Compare specs & size →
iPhone 15vsPixel 6 Pro
Compare specs & size →