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WhichPhoneToBuy

Samsung Galaxy S24 Ultra vs Samsung Galaxy S25

The Samsung Galaxy S24 Ultra comes out ahead on 6 counts and the Samsung Galaxy S25 on 5.

Which should you buy?

Pick the Samsung Galaxy S24 Ultra for

  • Bigger battery: 5,000 vs 4,000 mAh (25% more)
  • Faster wired charging: 45 W vs 25 W
  • Bigger screen: 6.8" vs 6.2"
  • Higher-resolution main camera: 200 MP vs 50 MP
  • Longer optical zoom: 5× vs 3×
  • More storage: up to 1 TB vs 512 GB

Pick the Samsung Galaxy S25 for

  • Lighter: 162 g vs 233 g (71 g less)
  • Thinner: 7.2 mm vs 8.6 mm
  • More compact: 15.4 mm shorter
  • OS updates for longer, until Feb 2032
  • Newer: launched February 2025

Size comparison

The Samsung Galaxy S24 Ultra is 15.4 mm taller, 8.5 mm wider, 1.4 mm thicker and 71 g heavier than the Samsung Galaxy S25. Its screen is 0.6" larger.

  • Samsung Galaxy S24 Ultra162.3 × 79 × 8.6 mm
  • Samsung Galaxy S25146.9 × 70.5 × 7.2 mm

Specs side by side

LaunchSamsung Galaxy S24 UltraSamsung Galaxy S25
AnnouncedJanuary 17, 20241January 22, 20251
ReleasedJanuary 31, 20241February 7, 20251
BodySamsung Galaxy S24 UltraSamsung Galaxy S25
Size162.3 × 79 × 8.6 mm146.9 × 70.5 × 7.2 mm1
Thickness8.6 mm7.2 mm1 (better)
Weight233 g162 g1 (better)
Water resistanceIP68IP681
ColoursTitanium Black, Titanium Grey, Titanium Violet, Titanium Yellow, Titanium Blue, Titanium Green, Titanium Orange1Icyblue, Mint, Navy, Silver Shadow, Pinkgold, Coralred, Blueblack1
DisplaySamsung Galaxy S24 UltraSamsung Galaxy S25
Size6.8"6.2"
TypeDynamic AMOLED 2XDynamic LTPO AMOLED 2X
Resolution1440 × 3120 (better)1080 × 23401
Refresh rate120 Hz120 Hz1
Peak brightness2,600 nits2,600 nits1
ProtectionCorning Gorilla Glass Armor1Gorilla Glass Victus 21
Performance and softwareSamsung Galaxy S24 UltraSamsung Galaxy S25
ChipsetQualcomm Snapdragon 8 Gen 3Qualcomm Snapdragon 8 Elite For Galaxy1
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)Android 15 with One UI 71
OS updates7 years (to Jan 2031)17 years (to Feb 2032)1 (better)
Security updates7 years (to Jan 2031)17 years (to Feb 2032)1 (better)
MemorySamsung Galaxy S24 UltraSamsung Galaxy S25
RAM12 GB12 GB1
Storage256 GB / 512 GB / 1 TB (better)128 GB / 256 GB / 512 GB
CamerasSamsung Galaxy S24 UltraSamsung Galaxy S25
Rear200 MP Main, OIS 50 MP Periscope telephoto (5× optical), OIS 10 MP Telephoto (3× optical), OIS 12 MP Ultrawide50 MP Main, OIS 12 MP Ultrawide 10 MP Telephoto (3× optical), OIS
Main camera200 MP (better)50 MP
Optical zoom5× (better)3×
Front12 MP12 MP1
Video8K@24/30fps18K at 30 fps1
BatterySamsung Galaxy S24 UltraSamsung Galaxy S25
Capacity5,000 mAh (better)4,000 mAh1
Wired charging45 W1 (better)25 W1
Wireless charging15 W115 W1
Reverse wirelessYes1Yes1
ConnectivitySamsung Galaxy S24 UltraSamsung Galaxy S25
5GYesYes1
Wi-FiWi-Fi 71Wi-Fi 71
Bluetooth5.35.41
NFCYes1Yes1
USBUSB-C 3.2 (5Gbps)USB Type-C 3.21
Headphone jackNo1—
eSIMYesYes1
FeaturesSamsung Galaxy S24 UltraSamsung Galaxy S25
FingerprintUltrasonic under-display1Ultrasonic under-display1
Stereo speakersYesYes1
StylusYes1—

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 pages.

Quick answers

Is the Samsung Galaxy S24 Ultra bigger than the Samsung Galaxy S25?
The Samsung Galaxy S24 Ultra is 15.4 mm taller, 8.5 mm wider, 1.4 mm thicker and 71 g heavier than the Samsung Galaxy S25. Its screen is 0.6" larger.
Which has the bigger battery, the Samsung Galaxy S24 Ultra or the Samsung Galaxy S25?
The Samsung Galaxy S24 Ultra has the bigger battery: 5,000 mAh against 4,000 mAh. Real battery life also depends on the chip and screen.
Which gets software updates for longer?
The Samsung Galaxy S25: its maker promises OS updates until around February 2032, against January 2031 for the Samsung Galaxy S24 Ultra.

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