Compare models
Galaxy S25 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 Snapdragon 8 Elite for Galaxy chip, the same 120Hz refresh rate and the same IP68 rating. The Galaxy S25 has the lower launch price, a lighter 162g body and a smaller 6.2-inch screen. The Galaxy S25 Ultra counters with a 5x optical telephoto, faster 45W wired charging and longer battery life.
At 256GB, the Galaxy S25 launched at £859 and the Galaxy S25 Ultra at £1249.
Available models
Galaxy S25
- Navy Starting at £471.90
- Silver Shadow Starting at £393
- Coralred Starting at £435.60
- Pinkgold Starting at £492.48
- Mint Starting at £471.90
- Blueblack Starting at £458.37
- Icyblue Starting at £397
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
Both should get OS updates for the same length of time, until about 2032 (est.).
Frame:The Galaxy S25 has an armour aluminium frame and the Galaxy S25 Ultra a titanium one.
Front glass:The Galaxy S25 has Gorilla Glass Victus 2 on the front and the Galaxy S25 Ultra Gorilla Armor 2.
Weight:The Galaxy S25 weighs 162g and the Galaxy S25 Ultra 218g, so the Galaxy S25 is the lighter phone.
Water and dust:Both are rated IP68, the same protection against dust and water.
Released
- Galaxy S25
- 2025
- Galaxy S25 Ultra
- 2025
Updates until (est.)
- Galaxy S25
- 2032
- Galaxy S25 Ultra
- 2032
Water resistance
- Galaxy S25
- IP68
- Galaxy S25 Ultra
- IP68
Frame
- Galaxy S25
- Armour Aluminium
- Galaxy S25 Ultra
- Titanium
Weight
- Galaxy S25
- 162gLighter
- Galaxy S25 Ultra
- 218g
Release date
- Galaxy S25
- 7 February 2025
- Galaxy S25 Ultra
- 7 February 2025
Front glass
- Galaxy S25
- Gorilla Glass Victus 2
- Galaxy S25 Ultra
- Gorilla Armor 2
Dimensions
- Galaxy S25
- 146.9 x 70.5 x 7.2 mm
- Galaxy S25 Ultra
- 162.8 x 77.6 x 8.2 mm
Security updates until
- Galaxy S25
- 2032
- Galaxy S25 Ultra
- 2032
Repairability
- Galaxy S25
- EU repairability class C
- Galaxy S25 Ultra
- EU repairability class C
Performance
The same Snapdragon 8 Elite for Galaxy chip in both, so expect the same everyday speed.
Storage:The Galaxy S25 launched in 128GB, 256GB and 512GB and the Galaxy S25 Ultra in 256GB, 512GB and 1TB.
Memory:Both have the same 12GB of RAM.
AI features:Both support Galaxy AI, the same AI suite.
Chip
- Galaxy S25
- Snapdragon 8 Elite for Galaxy
- Galaxy S25 Ultra
- Snapdragon 8 Elite for Galaxy
RAM
- Galaxy S25
- 12GB
- Galaxy S25 Ultra
- 12GB
Storage options
- Galaxy S25
- 128GB, 256GB, 512GB
- Galaxy S25 Ultra
- 256GB, 512GB, 1TB
AI features
- Galaxy S25
- 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 6.2-inch screen on the Galaxy S25.
Panel:The Galaxy S25 uses a Dynamic AMOLED 2X panel at 2340 x 1080 and the Galaxy S25 Ultra a Dynamic AMOLED 2X panel at 3120 x 1440.
Smoothness:Both refresh at the same 120Hz.
Brightness:Both peak at the same 2600 nits, by the makers' figures.
Screen size
- Galaxy S25
- 6.2"
- Galaxy S25 Ultra
- 6.9"Bigger screen
Screen type
- Galaxy S25
- Dynamic AMOLED 2X
- Galaxy S25 Ultra
- Dynamic AMOLED 2X
Refresh rate
- Galaxy S25
- 120Hz
- Galaxy S25 Ultra
- 120Hz
Resolution
- Galaxy S25
- 2340 x 1080
- Galaxy S25 Ultra
- 3120 x 1440
Peak brightness
- Galaxy S25
- 2600 nits (maker figure)
- Galaxy S25 Ultra
- 2600 nits (maker figure)
Camera
The Galaxy S25 Ultra reaches further, with a 5x optical telephoto.
Main camera:The Galaxy S25 Ultra has a 200MP main camera against 50MP on the Galaxy S25, which leaves more detail to crop into.
Ultrawide:The Galaxy S25 has a 12MP ultrawide and the Galaxy S25 Ultra a 50MP one.
Zoom:The Galaxy S25 Ultra has a 5x optical telephoto against 3x on the Galaxy S25, so it gets closer to distant subjects.
Selfies:Both have the same 12MP selfie camera.
Main camera
- Galaxy S25
- 50MP
- Galaxy S25 Ultra
- 200MPMore megapixels
Ultrawide
- Galaxy S25
- 12MP
- Galaxy S25 Ultra
- 50MPMore megapixels
Telephoto
- Galaxy S25
- 10MP
- Galaxy S25 Ultra
- 50MP
Optical zoom
- Galaxy S25
- 3x
- Galaxy S25 Ultra
- 5xMore zoom
Front camera
- Galaxy S25
- 12MP
- Galaxy S25 Ultra
- 12MP
Video recording
- Galaxy S25
- 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 29.
Battery life:Samsung rates the Galaxy S25 at up to 29 hours of video playback and the Galaxy S25 Ultra at up to 31 hours.
Capacity:The Galaxy S25 Ultra has the bigger battery, 5000mAh against 4000mAh.
Wired charging:The Galaxy S25 Ultra charges at up to 45W over a cable against 25W on the Galaxy S25.
Wireless charging:Both support the same wireless charging: Qi, Fast Wireless Charging 2.0.
Battery
- Galaxy S25
- 4000mAh
- Galaxy S25 Ultra
- 5000mAhBigger battery
Wired charging
- Galaxy S25
- 25W
- Galaxy S25 Ultra
- 45WFaster charging
Wireless charging
- Galaxy S25
- Qi, Fast Wireless Charging 2.0
- Galaxy S25 Ultra
- Qi, Fast Wireless Charging 2.0
Video playback (maker)
- Galaxy S25
- Up to 29 hours
- Galaxy S25 Ultra
- Up to 31 hours
Connectivity
Both have 5G and the same Wi-Fi 7.
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.
Bluetooth:Both have the same Bluetooth 5.4.
5G
- Galaxy S25
- Yes
- Galaxy S25 Ultra
- Yes
Port
- Galaxy S25
- USB-C (USB 3.2 Gen 1)
- Galaxy S25 Ultra
- USB-C (USB 3.2 Gen 1)
Wi-Fi
- Galaxy S25
- Wi-Fi 7
- Galaxy S25 Ultra
- Wi-Fi 7
SIM
- Galaxy S25
- Dual Nano-SIM or Nano-SIM + eSIM
- Galaxy S25 Ultra
- Dual Nano-SIM or Nano-SIM + eSIM
Bluetooth
- Galaxy S25
- Bluetooth 5.4
- Galaxy S25 Ultra
- Bluetooth 5.4
Our verdict
Buy the Galaxy S25 if
- You want the lower launch price
- You want a lighter 162g body
- You want a smaller 6.2-inch screen
Buy the Galaxy S25 Ultra if
- You want a 5x optical telephoto
- You want faster 45W wired charging
- You want longer battery life
FAQs
The Galaxy S25 Ultra has a 5x optical telephoto against 3x on the Galaxy S25, so it gets closer to distant subjects.
The Galaxy S25 Ultra's 6.9-inch screen is bigger than the 6.2-inch screen on the Galaxy S25.
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