Compare models
Galaxy S23 Ultra 5G vs Galaxy S24 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 6.8-inch screen size, the same 200MP main camera and the same 120Hz refresh rate. The Galaxy S24 Ultra has longer OS support until about 2031 (est.), the newer Snapdragon 8 Gen 3 for Galaxy chip and Wi-Fi 7. The Galaxy S23 Ultra 5G counters with a 10x optical telephoto.
At 256GB, both launched at the same £1249.
Available models
Galaxy S23 Ultra 5G
Capacity
Condition grades in stock
Pristine, Excellent, Great, Good
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
Durability
The Galaxy S24 Ultra should be supported for longer, with OS updates until about 2031 (est.) against about 2027 (est.) on the Galaxy S23 Ultra 5G.
Software support:The Galaxy S23 Ultra 5G should get OS updates until about 2027 (est.) and the Galaxy S24 Ultra until about 2031 (est.). That gives the Galaxy S24 Ultra the longer support window.
Frame:The Galaxy S23 Ultra 5G has an armour aluminium frame and the Galaxy S24 Ultra a titanium one.
Front glass:The Galaxy S23 Ultra 5G has Gorilla Glass Victus 2 on the front and the Galaxy S24 Ultra Gorilla Armor.
Weight:The Galaxy S23 Ultra 5G weighs 234g and the Galaxy S24 Ultra 232g, so the Galaxy S24 Ultra is the lighter phone.
Released
- Galaxy S23 Ultra 5G
- 2023
- Galaxy S24 Ultra
- 2024Newer
Updates until (est.)
- Galaxy S23 Ultra 5G
- 2027
- Galaxy S24 Ultra
- 2031Supported for longer
Water resistance
- Galaxy S23 Ultra 5G
- IP68
- Galaxy S24 Ultra
- IP68
Frame
- Galaxy S23 Ultra 5G
- Armour Aluminium
- Galaxy S24 Ultra
- Titanium
Weight
- Galaxy S23 Ultra 5G
- 234g
- Galaxy S24 Ultra
- 232gLighter
Release date
- Galaxy S23 Ultra 5G
- 17 February 2023
- Galaxy S24 Ultra
- 31 January 2024
Front glass
- Galaxy S23 Ultra 5G
- Gorilla Glass Victus 2
- Galaxy S24 Ultra
- Gorilla Armor
Dimensions
- Galaxy S23 Ultra 5G
- 163.4 x 78.1 x 8.9 mm
- Galaxy S24 Ultra
- 162.3 x 79 x 8.6 mm
Security updates until
- Galaxy S23 Ultra 5G
- 2028
- Galaxy S24 Ultra
- 2031
Performance
The Galaxy S24 Ultra has the newer chip, the Snapdragon 8 Gen 3 for Galaxy.
Chip:The Galaxy S23 Ultra 5G runs the Snapdragon 8 Gen 2 for Galaxy and the Galaxy S24 Ultra the Snapdragon 8 Gen 3 for Galaxy. The Snapdragon 8 Gen 3 for Galaxy is the newer chip, from 2024.
AI features:Both support Galaxy AI, the same AI suite.
Storage:Both launched in the same 256GB, 512GB and 1TB sizes.
Chip
- Galaxy S23 Ultra 5G
- Snapdragon 8 Gen 2 for Galaxy
- Galaxy S24 Ultra
- Snapdragon 8 Gen 3 for Galaxy
RAM
- Galaxy S23 Ultra 5G
- –
- Galaxy S24 Ultra
- 12GB
Storage options
- Galaxy S23 Ultra 5G
- 256GB, 512GB, 1TB
- Galaxy S24 Ultra
- 256GB, 512GB, 1TB
AI features
- Galaxy S23 Ultra 5G
- Yes
- Galaxy S24 Ultra
- Yes
Screen quality
The same 6.8-inch size and the same 120Hz refresh rate on both.
Panel:The Galaxy S23 Ultra 5G uses a Dynamic AMOLED 2X panel at 3088 x 1440 and the Galaxy S24 Ultra a Dynamic AMOLED 2X panel at 3120 x 1440.
Brightness:The Galaxy S24 Ultra peaks at 2600 nits against 1750 on the Galaxy S23 Ultra 5G, by the makers' figures, so it is easier to read in bright sun.
Screen size
- Galaxy S23 Ultra 5G
- 6.8"
- Galaxy S24 Ultra
- 6.8"
Screen type
- Galaxy S23 Ultra 5G
- Dynamic AMOLED 2X
- Galaxy S24 Ultra
- Dynamic AMOLED 2X
Refresh rate
- Galaxy S23 Ultra 5G
- 120Hz
- Galaxy S24 Ultra
- 120Hz
Resolution
- Galaxy S23 Ultra 5G
- 3088 x 1440
- Galaxy S24 Ultra
- 3120 x 1440
Peak brightness
- Galaxy S23 Ultra 5G
- 1750 nits (maker figure)
- Galaxy S24 Ultra
- 2600 nits (maker figure)
Camera
The Galaxy S23 Ultra 5G reaches further, with a 10x optical telephoto.
Zoom:The Galaxy S23 Ultra 5G has a 10x optical telephoto against 5x on the Galaxy S24 Ultra, so it gets closer to distant subjects.
Main camera:Both use a 200MP main camera, the same resolution.
Ultrawide:Both have the same 12MP ultrawide.
Selfies:Both have the same 12MP selfie camera.
Main camera
- Galaxy S23 Ultra 5G
- 200MP
- Galaxy S24 Ultra
- 200MP
Ultrawide
- Galaxy S23 Ultra 5G
- 12MP
- Galaxy S24 Ultra
- 12MP
Telephoto
- Galaxy S23 Ultra 5G
- 10MP
- Galaxy S24 Ultra
- 50MP
Optical zoom
- Galaxy S23 Ultra 5G
- 10xMore zoom
- Galaxy S24 Ultra
- 5x
Front camera
- Galaxy S23 Ultra 5G
- 12MP
- Galaxy S24 Ultra
- 12MP
Video recording
- Galaxy S23 Ultra 5G
- 8K 30fps
- Galaxy S24 Ultra
- 8K 30fps
Battery
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 S23 Ultra 5G
- 5000mAh
- Galaxy S24 Ultra
- 5000mAh
Wired charging
- Galaxy S23 Ultra 5G
- 45W
- Galaxy S24 Ultra
- 45W
Wireless charging
- Galaxy S23 Ultra 5G
- Qi, Fast Wireless Charging 2.0
- Galaxy S24 Ultra
- Qi, Fast Wireless Charging 2.0
Video playback (maker)
- Galaxy S23 Ultra 5G
- –
- Galaxy S24 Ultra
- Up to 30 hours
Connectivity
The Galaxy S24 Ultra has the newer Wi-Fi, Wi-Fi 7.
Wi-Fi:The Galaxy S24 Ultra has Wi-Fi 7 against Wi-Fi 6E on the Galaxy S23 Ultra 5G, which only pays off with a newer router.
5G:Both have the same 5G support.
Port:Both have USB-C at the same port speed.
Bluetooth:Both have the same Bluetooth 5.3.
5G
- Galaxy S23 Ultra 5G
- Yes
- Galaxy S24 Ultra
- Yes
Port
- Galaxy S23 Ultra 5G
- USB-C (USB 3.2)
- Galaxy S24 Ultra
- USB-C (USB 3.2 Gen 1)
Wi-Fi
- Galaxy S23 Ultra 5G
- Wi-Fi 6E
- Galaxy S24 Ultra
- Wi-Fi 7
SIM
- Galaxy S23 Ultra 5G
- –
- Galaxy S24 Ultra
- Dual Nano-SIM or Nano-SIM + eSIM
Bluetooth
- Galaxy S23 Ultra 5G
- Bluetooth 5.3
- Galaxy S24 Ultra
- Bluetooth 5.3
Our verdict
Buy the Galaxy S24 Ultra if
- You want longer OS support until about 2031 (est.)
- You want the newer Snapdragon 8 Gen 3 for Galaxy chip
- You want Wi-Fi 7
FAQs
The Galaxy S23 Ultra 5G should get OS updates until about 2027 (est.) and the Galaxy S24 Ultra until about 2031 (est.). That gives the Galaxy S24 Ultra the longer support window.
The Galaxy S23 Ultra 5G has a 10x optical telephoto against 5x on the Galaxy S24 Ultra, so it gets closer to distant subjects.
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