Trade in your
Galaxy S24
Worth up to
£270
- 128GB £230
- 256GB £250
- 512GB £270
Phone comparison
Galaxy S24 vs Galaxy S23 Ultra
How the Galaxy S24 and Galaxy S23 Ultra compare on the specifications their makers publish, what each one costs refurbished, and what we pay for yours.
The Galaxy S24 is £64.01 less refurbished today.
- 12-month warranty
- Free delivery
- 30-day returns
Samsung · Released 2024
Galaxy S24
£369.99Refurbished fromFrom · 128GB · Good
- Screen
- 6.2in
- Weight
- 167g
- Size
- 147 x 70.6 x 7.6mm
Samsung · Released 2023
Galaxy S23 Ultra
£434Refurbished fromFrom · 256GB · Pristine
- Screen
- 6.8in
- Weight
- 233g
- Size
- 163.4 x 78.1 x 8.9mm
Spec by spec
Side by side
They differ on 15 of 22 specifications.
| Specification | Galaxy S24from £369.99 | Galaxy S23 Ultrafrom £434 |
|---|---|---|
| Launch | ||
| Released | 2024 | 2023 |
| Display and chip | ||
| Screen size | 6.2in | 6.8in |
| Screen type | Dynamic AMOLED 2X | Dynamic AMOLED 2X |
| Resolution | 2340 x 1080 (FHD+) | 3088 x 1440 (Quad HD+) |
| Refresh rate | 120Hz | 120Hz |
| Chip | Exynos 2400 | Snapdragon 8 Gen 2 Mobile Platform for Galaxy |
| Memory | 8GB | 8GB |
| Camera and battery | ||
| Rear camera | 50.0 MP + 10.0 MP + 12.0 MP | 200.0 MP + 10.0 MP + 12.0 MP + 10.0 MP |
| Main camera | 50MP | 200MP |
| Front camera | 12MP | 12MP |
| Battery | 4,000mAh | 5,000mAh(better) |
| Video playback | Up to 29 hours(better) | Up to 26 hours |
| Size and build | ||
| Height | 147mm | 163.4mm |
| Width | 70.6mm | 78.1mm |
| Depth | 7.6mm | 8.9mm |
| Weight | 167g | 233g |
| Water resistance | IP68 | IP68 |
| Build | Not published | Corning Gorilla Glass Victus 2 |
| Storage and software | ||
| Storage options | 128GB, 256GB, 512GB | 256GB, 512GB, 1TB |
| Software at launch | Android 14 | Android 13 |
| Connectivity | 2G GSM, 3G WCDMA, 4G LTE FDD, 4G LTE TDD, 5G Sub6 FDD, 5G Sub6 TDD, 5G Sub6 SDL | 2G GSM, 3G WCDMA, 4G LTE FDD, 4G LTE TDD, 5G Sub6 FDD, 5G Sub6 TDD |
| Unlocking | In-display fingerprint | In-display fingerprint |
The verdict
Should you buy the Galaxy S24 or the Galaxy S23 Ultra?
Today (12 November) the Galaxy S24 costs £64.01 less than the Galaxy S23 Ultra refurbished, even though it is the newer phone, and it has video playback (up to 29 hours against up to 26 hours).
Trade in
Put your old phone towards it
Trade in your
Galaxy S23 Ultra
Worth up to
£315
- 256GB £245
- 512GB £275
- 1TB £315
From our own records
What we have seen with these two phones
What people really got paid
458 people sold us an Galaxy S24. The average payout was £247 and the most was £480. 34% were 128GB phones.
450 people sold us an Galaxy S23 Ultra. The average payout was £131 and the most was £325. 32% were 128GB phones.
Envirofone trade-ins and envirofone.com orders, 12 Nov 2025 to 12 Nov 2026. Payouts are averages across every condition, so your own quote depends on the state of your phone.
Questions
Questions people ask
- What is the difference between the Galaxy S24 and the Galaxy S23 Ultra?
- They differ on 15 of the 22 specifications their makers publish, including released (2024 against 2023), screen size (6.2in against 6.8in) and resolution (2340 x 1080 (FHD+) against 3088 x 1440 (Quad HD+)), and 12 more. Everything else on this page reads the same on both.
- What do the Galaxy S24 and the Galaxy S23 Ultra have in common?
- They match on 7 of the 22 published specifications, including screen type, refresh rate, memory and front camera, and 3 more.
- Can I trade in my current phone against one of these?
- Yes. Tell us what you have and we will give you a price for it, and that price comes off whichever of these you buy. The figures on this page are what we are paying today.
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