Compare models
Galaxy S24 Ultra vs Galaxy S25 Ultra
Shop Samsung-
Finance over 12, 24 or 36 Months
-
70 Point TechCheck®
-
Free Next-Day UK Delivery*
-
12 Month Warranty
In a nutshell
They share the same 200MP main camera, the same 120Hz refresh rate and the same IP68 rating. The Galaxy S25 Ultra has longer OS support until about 2032 (est.), the newer Snapdragon 8 Elite for Galaxy chip and longer battery life. The Galaxy S24 Ultra counters with a smaller 6.8-inch screen.
At 256GB, both launched at the same £1249.
Available models
Galaxy S24 Ultra
- Titanium Yellow Starting at £518
- Titanium Black Starting at £511
- Titanium Violet Starting at £496.79
- Titanium Grey Starting at £513
- Titanium Green Starting at £532
- Titanium Blue Starting at £544.32
- Titanium Orange Starting at £560
Capacity
Condition grades in stock
Pristine, Excellent, Great, Good
Galaxy S25 Ultra
- Titanium Grey Starting at £615.99
- Titanium Silverblue Starting at £604.79
- Titanium Whitesilver Starting at £613
- Titanium Black Starting at £613
- Titanium Pinkgold Starting at £652.41
- Titanium Jetblack Starting at £649.08
- Titanium Jadegreen Starting at £649.08
Capacity
Condition grades in stock
Pristine, Excellent, Great, Good
Durability
The Galaxy S25 Ultra should be supported for longer, with OS updates until about 2032 (est.) against about 2031 (est.) on the Galaxy S24 Ultra.
Software support:The Galaxy S24 Ultra should get OS updates until about 2031 (est.) and the Galaxy S25 Ultra until about 2032 (est.). That gives the Galaxy S25 Ultra the longer support window.
Front glass:The Galaxy S24 Ultra has Gorilla Armor on the front and the Galaxy S25 Ultra Gorilla Armor 2.
Weight:The Galaxy S24 Ultra weighs 232g and the Galaxy S25 Ultra 218g, so the Galaxy S25 Ultra is the lighter phone.
Water and dust:Both are rated IP68, the same protection against dust and water.
Released
- Galaxy S24 Ultra
- 2024
- Galaxy S25 Ultra
- 2025Newer
Updates until (est.)
- Galaxy S24 Ultra
- 2031
- Galaxy S25 Ultra
- 2032Supported for longer
Water resistance
- Galaxy S24 Ultra
- IP68
- Galaxy S25 Ultra
- IP68
Frame
- Galaxy S24 Ultra
- Titanium
- Galaxy S25 Ultra
- Titanium
Weight
- Galaxy S24 Ultra
- 232g
- Galaxy S25 Ultra
- 218gLighter
Release date
- Galaxy S24 Ultra
- 31 January 2024
- Galaxy S25 Ultra
- 7 February 2025
Front glass
- Galaxy S24 Ultra
- Gorilla Armor
- Galaxy S25 Ultra
- Gorilla Armor 2
Dimensions
- Galaxy S24 Ultra
- 162.3 x 79 x 8.6 mm
- Galaxy S25 Ultra
- 162.8 x 77.6 x 8.2 mm
Security updates until
- Galaxy S24 Ultra
- 2031
- Galaxy S25 Ultra
- 2032
Repairability
- Galaxy S24 Ultra
- –
- Galaxy S25 Ultra
- EU repairability class C
Performance
The Galaxy S25 Ultra has the newer chip, the Snapdragon 8 Elite for Galaxy.
Chip:The Galaxy S24 Ultra runs the Snapdragon 8 Gen 3 for Galaxy and the Galaxy S25 Ultra the Snapdragon 8 Elite for Galaxy. The Snapdragon 8 Elite for Galaxy is the newer chip, from 2025.
Memory:Both have the same 12GB of RAM.
AI features:Both support Galaxy AI, the same AI suite.
Storage:Both launched in the same 256GB, 512GB and 1TB sizes.
Chip
- Galaxy S24 Ultra
- Snapdragon 8 Gen 3 for Galaxy
- Galaxy S25 Ultra
- Snapdragon 8 Elite for Galaxy
RAM
- Galaxy S24 Ultra
- 12GB
- Galaxy S25 Ultra
- 12GB
Storage options
- Galaxy S24 Ultra
- 256GB, 512GB, 1TB
- Galaxy S25 Ultra
- 256GB, 512GB, 1TB
AI features
- Galaxy S24 Ultra
- Yes
- Galaxy S25 Ultra
- Yes
Screen quality
The Galaxy S25 Ultra has the bigger screen, at 6.9 inches.
Size:The Galaxy S25 Ultra's 6.9-inch screen is bigger than the 6.8-inch screen on the Galaxy S24 Ultra.
Smoothness:Both refresh at the same 120Hz.
Panel:Both use the same Dynamic AMOLED 2X panel at 3120 x 1440.
Brightness:Both peak at the same 2600 nits, by the makers' figures.
Screen size
- Galaxy S24 Ultra
- 6.8"
- Galaxy S25 Ultra
- 6.9"Bigger screen
Screen type
- Galaxy S24 Ultra
- Dynamic AMOLED 2X
- Galaxy S25 Ultra
- Dynamic AMOLED 2X
Refresh rate
- Galaxy S24 Ultra
- 120Hz
- Galaxy S25 Ultra
- 120Hz
Resolution
- Galaxy S24 Ultra
- 3120 x 1440
- Galaxy S25 Ultra
- 3120 x 1440
Peak brightness
- Galaxy S24 Ultra
- 2600 nits (maker figure)
- Galaxy S25 Ultra
- 2600 nits (maker figure)
Camera
The same 200MP main camera on both, so everyday shots start from the same resolution.
Ultrawide:The Galaxy S24 Ultra has a 12MP ultrawide and the Galaxy S25 Ultra a 50MP one.
Zoom:Both have a 5x optical telephoto, the same reach.
Selfies:Both have the same 12MP selfie camera.
Video:Both record video at up to 8K 30fps, the same top setting.
Main camera
- Galaxy S24 Ultra
- 200MP
- Galaxy S25 Ultra
- 200MP
Ultrawide
- Galaxy S24 Ultra
- 12MP
- Galaxy S25 Ultra
- 50MPMore megapixels
Telephoto
- Galaxy S24 Ultra
- 50MP
- Galaxy S25 Ultra
- 50MP
Optical zoom
- Galaxy S24 Ultra
- 5x
- Galaxy S25 Ultra
- 5x
Front camera
- Galaxy S24 Ultra
- 12MP
- Galaxy S25 Ultra
- 12MP
Video recording
- Galaxy S24 Ultra
- 8K 30fps
- Galaxy S25 Ultra
- 8K 30fps
Battery
The Galaxy S25 Ultra lasts longer on Samsung's figures, up to 31 hours of video against 30.
Battery life:Samsung rates the Galaxy S24 Ultra at up to 30 hours of video playback and the Galaxy S25 Ultra at up to 31 hours.
Capacity:Both have the same 5000mAh battery.
Wired charging:Both charge at up to the same 45W over a cable.
Wireless charging:Both support the same wireless charging: Qi, Fast Wireless Charging 2.0.
Battery
- Galaxy S24 Ultra
- 5000mAh
- Galaxy S25 Ultra
- 5000mAh
Wired charging
- Galaxy S24 Ultra
- 45W
- Galaxy S25 Ultra
- 45W
Wireless charging
- Galaxy S24 Ultra
- Qi, Fast Wireless Charging 2.0
- Galaxy S25 Ultra
- Qi, Fast Wireless Charging 2.0
Video playback (maker)
- Galaxy S24 Ultra
- Up to 30 hours
- Galaxy S25 Ultra
- Up to 31 hours
Connectivity
Both have 5G and the same Wi-Fi 7.
Bluetooth:The Galaxy S24 Ultra has Bluetooth 5.3 and the Galaxy S25 Ultra Bluetooth 5.4.
Port:Both have the same USB-C (USB 3.2 Gen 1) port.
SIM:Both take the same Dual Nano-SIM or Nano-SIM + eSIM setup.
5G
- Galaxy S24 Ultra
- Yes
- Galaxy S25 Ultra
- Yes
Port
- Galaxy S24 Ultra
- USB-C (USB 3.2 Gen 1)
- Galaxy S25 Ultra
- USB-C (USB 3.2 Gen 1)
Wi-Fi
- Galaxy S24 Ultra
- Wi-Fi 7
- Galaxy S25 Ultra
- Wi-Fi 7
SIM
- Galaxy S24 Ultra
- Dual Nano-SIM or Nano-SIM + eSIM
- Galaxy S25 Ultra
- Dual Nano-SIM or Nano-SIM + eSIM
Bluetooth
- Galaxy S24 Ultra
- Bluetooth 5.3
- Galaxy S25 Ultra
- Bluetooth 5.4
Our verdict
Buy the Galaxy S25 Ultra if
- You want longer OS support until about 2032 (est.)
- You want the newer Snapdragon 8 Elite for Galaxy chip
- You want longer battery life
FAQs
The Galaxy S24 Ultra should get OS updates until about 2031 (est.) and the Galaxy S25 Ultra until about 2032 (est.). That gives the Galaxy S25 Ultra the longer support window.
The Galaxy S25 Ultra's 6.9-inch screen is bigger than the 6.8-inch screen on the Galaxy S24 Ultra.
Every Reboxed phone has a minimum of 80% battery health. If you want the closest thing to new, some phones offer our New Battery Upgrade, professionally installed before your phone is dispatched. If it's available, you'll see it on the product page.
Pristine, Excellent, Great and Good. Pristine has zero blemishes and at least 90% battery health. Good can show noticeable wear on the casing but works perfectly. Every grade is TechCheck certified and comes with a 12-month warranty.
See all articles
-
sim only
Best SIM Only Deals UK: Every Network Compared [October 2026]
-
iphoneThe Best iPhones for Battery Life Ranked [2026]
-
Buying AdviceShould I Upgrade My Phone? An Honest Decision Guide
-
iPhoneBack to School: Trade In Your Old Phone to Fund the Upgrade
-
Phone depreciationWhy do phones lose value so fast?
-
Selling & Trade-inWhat a 'no downgrade' phone trade-in really means (and what it doesn't)
-
Data safetyHow to wipe your iPhone before selling it
-
Pre-sale guidesHow to grade your phone's condition for trade-in (so your quote sticks)
-
Honest PricingHow We Price Your Phone: the Reboxed TechCheck® Explained
-
iPhoneThe Foldable iPhone Ultra Is Looking Real, and Why Upgraders Should Sell First