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Samsung Galaxy S24 Ultra vs Samsung Galaxy S25 Ultra

The Samsung Galaxy S25 Ultra comes out ahead on 5 counts and the Samsung Galaxy S24 Ultra on 0.

Which should you buy?

Pick the Samsung Galaxy S24 Ultra for

No clear advantage on the specs we have.

Pick the Samsung Galaxy S25 Ultra for

  • Lighter: 218 g vs 233 g (15 g less)
  • Thinner: 8.2 mm vs 8.6 mm
  • OS updates for longer, until Feb 2032
  • More RAM: up to 16 GB vs 12 GB
  • Newer: launched February 2025

Size comparison

The Samsung Galaxy S24 Ultra is 0.5 mm shorter, 1.4 mm wider, 0.4 mm thicker and 15 g heavier than the Samsung Galaxy S25 Ultra. Its screen is 0.1" smaller.

  • Samsung Galaxy S24 Ultra162.3 × 79 × 8.6 mm
  • Samsung Galaxy S25 Ultra162.8 × 77.6 × 8.2 mm

Specs side by side

LaunchSamsung Galaxy S24 UltraSamsung Galaxy S25 Ultra
AnnouncedJanuary 17, 20241January 22, 20251
ReleasedJanuary 31, 20241February 7, 20251
Launch price—$1,3001
BodySamsung Galaxy S24 UltraSamsung Galaxy S25 Ultra
Size162.3 × 79 × 8.6 mm162.8 × 77.6 × 8.2 mm
Thickness8.6 mm8.2 mm (better)
Weight233 g218 g (better)
Frame—Titanium
Water resistanceIP68IP68
ColoursTitanium Black, Titanium Grey, Titanium Violet, Titanium Yellow, Titanium Blue, Titanium Green, Titanium Orange1Titanium Silverblue, Titanium Black, Titanium Whitesilver, Titanium Gray, Titanium Jadegreen, Titanium Jetblack, Titanium Pinkgold1
DisplaySamsung Galaxy S24 UltraSamsung Galaxy S25 Ultra
Size6.8"6.9"
TypeDynamic AMOLED 2XDynamic LTPO AMOLED 2X
Resolution1440 × 31201440 × 3120
Refresh rate120 Hz120 Hz
Peak brightness2,600 nits2,600 nits
ProtectionCorning Gorilla Glass Armor1Corning Gorilla Armor 2
Performance and softwareSamsung Galaxy S24 UltraSamsung Galaxy S25 Ultra
ChipsetQualcomm Snapdragon 8 Gen 3Snapdragon 8 Elite Mobile Platform for Galaxy
CPUOcta-core (1x3.3 GHz Cortex-X4 & 5x3.2 GHz Cortex-A720 & 2x2.3 GHz Cortex-A520)2x 4.47 GHz Oryon (Phoenix L) and 6x 3.53 GHz Oryon (Phoenix M)1
Process4 nm3 nm1 (better)
Ships withAndroid 14 (One UI 6.1)One UI 7
OS updates7 years (to Jan 2031)17 years (to Feb 2032) (better)
Security updates7 years (to Jan 2031)17 years (to Feb 2032) (better)
MemorySamsung Galaxy S24 UltraSamsung Galaxy S25 Ultra
RAM12 GB12 GB / 16 GB (better)
Storage256 GB / 512 GB / 1 TB256 GB / 512 GB / 1 TB
Card slot—No1
CamerasSamsung Galaxy S24 UltraSamsung Galaxy S25 Ultra
Rear200 MP Main, OIS 50 MP Periscope telephoto (5× optical), OIS 10 MP Telephoto (3× optical), OIS 12 MP Ultrawide200 MP Main 50 MP Ultrawide 50 MP Telephoto (5× optical) 10 MP Telephoto (3× optical)
Main camera200 MP200 MP
Optical zoom5×5×
Front12 MP12 MP
Video8K@24/30fps18K at 30 fps
BatterySamsung Galaxy S24 UltraSamsung Galaxy S25 Ultra
Capacity5,000 mAh5,000 mAh
Wired charging45 W145 W
Wireless charging15 W115 W1
Reverse wirelessYes1Yes
ConnectivitySamsung Galaxy S24 UltraSamsung Galaxy S25 Ultra
5GYesYes
Wi-FiWi-Fi 71Wi-Fi 7 (802.11 a/b/g/n/ac/ax/be tri-band)
Bluetooth5.35.41
NFCYes1Yes1
USBUSB-C 3.2 (5Gbps)USB Type-C 3.2 (5Gbps)
Headphone jackNo1No1
eSIMYesYes1
FeaturesSamsung Galaxy S24 UltraSamsung Galaxy S25 Ultra
FingerprintUltrasonic under-display1Ultrasonic under-display
Stereo speakersYesYes1
StylusYes1Yes

Highlighted: the better value where one is clearly better. Sources for each phone are listed on the Samsung Galaxy S24 Ultra and Samsung Galaxy S25 Ultra pages.

Quick answers

Is the Samsung Galaxy S24 Ultra bigger than the Samsung Galaxy S25 Ultra?
The Samsung Galaxy S24 Ultra is 0.5 mm shorter, 1.4 mm wider, 0.4 mm thicker and 15 g heavier than the Samsung Galaxy S25 Ultra. Its screen is 0.1" smaller.
Which has the bigger battery, the Samsung Galaxy S24 Ultra or the Samsung Galaxy S25 Ultra?
Both have a 5,000 mAh battery.
Which gets software updates for longer?
The Samsung Galaxy S25 Ultra: its maker promises OS updates until around February 2032, against January 2031 for the Samsung Galaxy S24 Ultra.

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