Samsung Galaxy S20 Ultra 5G vs Samsung Galaxy S25
Our Verdict: The Galaxy S20 Ultra 5G and the Galaxy S25 are five years apart, which is enough for a real difference. The S20 Ultra 5G leads on camera hardware with a 108MP main sensor to the S25's 50MP, plus a 40MP selfie camera against 12MP, and the S20 Ultra 5G has the bigger battery of the two, 5000mAh against 4000mAh, which usually means longer between charges. The S20 Ultra 5G has the stronger screen, bigger at 6.9" against 6.2" and sharper at 509 PPI, and the S25 is the lighter phone at 162g against 221g. If you're on the S20 Ultra 5G, the S25 is a real step up, but only worth it if the changes above matter to you.
22 reviews 4.1
11 reviews
Samsung Galaxy S20 Ultra 5G
|
Samsung Galaxy S25
|
|
|---|---|---|
| Expert Rating | 3.9 22 reviews |
4.1 11 reviews |
| Screen | 6.9" | 6.2" |
| Display | Dynamic AMOLED capacitive touchscreen | Dynamic LTPO AMOLED 2X |
| Resolution | 1440 x 3200 | 1080 x 2340 |
| Pixels Per Inch | 509 | 416 |
| Rear Camera | 108 Megapixels | 50 Megapixels |
| Front Camera | 40 Megapixels | 12 Megapixels |
| Chipset | Exynos 990 | Qualcomm SM8750-AB Snapdragon 8 Elite (3 nm) |
| Battery | 5,000 mAh | 4,000 mAh |
| Storage | 128GB, 512GB | 128GB, 256GB, 512GB |
| OS | Android | Android 15 |
| SIM Type | Nano SIM | nano-SIM and e-SIM |
| Connectivity | Up to 5G | Up to 5G |
| Wi-Fi | 802.11 a/b/g/n/ac/ax | 802.11 a/b/g/n/ac/6e |
| Bluetooth | 5.0 with A2DP, LE, apt-X | 5.4, A2DP, LE |
| Dimensions | 167 x 76 x 8.8 mm | 146.9 x 70.4 x 7.2 mm |
| Weight | 221 grams | 162 grams |
| Water Resistance | IP68 - Dust and water resistant over 1.5 meter and 30 minutes | IP68 - Dust and water resistant over 1.5 meter and 30 minutes |
| Contracts | - |
£10.00/mo
£389.00 upfront |
| SIM-free | - | £409.99 |
| Deals | Deals |
Cheapest Deals
Samsung Galaxy S25
£10 per month, £389 upfront.
Use code: 30JNOFF (£30 off)
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Frequently Asked Questions
Which has the better screen, the Samsung Galaxy S20 Ultra 5G or Samsung Galaxy S25?
The Samsung Galaxy S20 Ultra 5G has the bigger screen at 6.9" compared to the Samsung Galaxy S25's 6.2", the Samsung Galaxy S20 Ultra 5G has the sharper display at 509 pixels per inch versus 416, and the Samsung Galaxy S20 Ultra 5G uses a Dynamic AMOLED capacitive touchscreen panel while the Samsung Galaxy S25 has a Dynamic LTPO AMOLED 2X.
Which has the better camera, the Samsung Galaxy S20 Ultra 5G or Samsung Galaxy S25?
The Samsung Galaxy S20 Ultra 5G features a 108 Megapixels rear camera, while the Samsung Galaxy S25 has a 50 Megapixels rear camera. Both devices also have front-facing cameras for selfies and video calls.
What storage options are available for the Samsung Galaxy S20 Ultra 5G and Samsung Galaxy S25?
The Samsung Galaxy S20 Ultra 5G is available in 128GB, 512GB, while the Samsung Galaxy S25 comes in 128GB, 256GB, 512GB.
What processors do the Samsung Galaxy S20 Ultra 5G and Samsung Galaxy S25 use?
The Samsung Galaxy S20 Ultra 5G is powered by the Exynos 990, while the Samsung Galaxy S25 uses the Qualcomm SM8750-AB Snapdragon 8 Elite (3 nm).
Which is easier to carry and hold, the Samsung Galaxy S20 Ultra 5G or Samsung Galaxy S25?
The Samsung Galaxy S25 is the more portable of the two: it's 59g lighter at 162 grams, it's also the more compact phone at 146.9 x 70.4 x 7.2 mm, and is slimmer at 7.2mm thick.
Which is more water resistant, the Samsung Galaxy S20 Ultra 5G or Samsung Galaxy S25?
Both phones share the same water resistance rating of IP68 - Dust and water resistant over 1.5 meter and 30 minutes.
What operating system do the Samsung Galaxy S20 Ultra 5G and Samsung Galaxy S25 run?
The Samsung Galaxy S20 Ultra 5G runs Android and the Samsung Galaxy S25 runs Android 15. This is one of the biggest factors when choosing between the two, as each ecosystem has its own apps, services and features.