Samsung Galaxy S21 Plus vs Samsung Galaxy S25 FE
Our Verdict: The Galaxy S21 Plus and the Galaxy S25 FE are four years apart, which is enough for a real difference. The S21+ 5G has the better camera on paper, 64MP versus 50MP, and the S25 FE goes up to 512GB of storage, where the S21+ 5G tops out at 256GB. The S25 FE is the lighter phone at 190g against 202g. Coming from the S21+ 5G, the S25 FE is a genuine upgrade rather than a token one.
Buying outright, the S21+ 5G starts at £139 SIM-free.
10 reviews 4.0
10 reviews
Samsung Galaxy S21 Plus
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Samsung Galaxy S25 FE
|
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|---|---|---|
| Expert Rating | 4.0 10 reviews |
4.0 10 reviews |
| Screen | 6.7" | 6.7" |
| Display | Dynamic AMOLED 2X | Dynamic LTPO AMOLED 2X |
| Resolution | 1080 x 2400 | 1080 x 2340 |
| Pixels Per Inch | 393 | 385 |
| Rear Camera | 64 Megapixels | 50 Megapixels |
| Front Camera | 10 Megapixels | 12 Megapixels |
| Chipset | Exynos 2100 | Exynos 2400 (4 nm) |
| Battery | 4,800 mAh | 4,900 mAh |
| Storage | 128GB, 256GB | 128GB, 256GB, 512GB |
| OS | Android 11 | Android 16 |
| SIM Type | Standard SIM | nano-SIM and e-SIM |
| Connectivity | Up to 5G | Up to 5G |
| Wi-Fi | 802.11 a/b/g/n/ac/6e | 802.11 a/b/g/n/ac/6e |
| Bluetooth | 5.0, A2DP, LE | 5.4, A2DP, LE |
| Dimensions | 161.4 x 75.6 x 7.8 mm | 161.3 x 76.6 x 7.4 mm |
| Weight | 202 grams | 190 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 | - |
£24.54/mo
£9.00 upfront |
| SIM-free | £139.00 | £429.99 |
| Deals | Deals |
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Frequently Asked Questions
Which has the better screen, the Samsung Galaxy S21 Plus or Samsung Galaxy S25 FE?
Both phones have a similar screen size at around 6.7", both screens are similarly sharp at around 393 pixels per inch, and the Samsung Galaxy S21 Plus uses a Dynamic AMOLED 2X panel while the Samsung Galaxy S25 FE has a Dynamic LTPO AMOLED 2X.
Which has the better camera, the Samsung Galaxy S21 Plus or Samsung Galaxy S25 FE?
The Samsung Galaxy S21 Plus features a 64 Megapixels rear camera, while the Samsung Galaxy S25 FE has a 50 Megapixels rear camera. Both devices also have front-facing cameras for selfies and video calls.
Which is cheaper to buy SIM-free, the Samsung Galaxy S21 Plus or Samsung Galaxy S25 FE?
The Samsung Galaxy S21 Plus is cheaper SIM-free, starting from £139.00.
What storage options are available for the Samsung Galaxy S21 Plus and Samsung Galaxy S25 FE?
The Samsung Galaxy S21 Plus is available in 128GB, 256GB, while the Samsung Galaxy S25 FE comes in 128GB, 256GB, 512GB.
What processors do the Samsung Galaxy S21 Plus and Samsung Galaxy S25 FE use?
The Samsung Galaxy S21 Plus is powered by the Exynos 2100, while the Samsung Galaxy S25 FE uses the Exynos 2400 (4 nm).
Which is easier to carry and hold, the Samsung Galaxy S21 Plus or Samsung Galaxy S25 FE?
It's a trade-off: the Samsung Galaxy S25 FE is lighter but the Samsung Galaxy S21 Plus is more compact. It's 12g lighter at 190 grams, though the Samsung Galaxy S21 Plus is actually the more compact phone at 161.4 x 75.6 x 7.8 mm, the Samsung Galaxy S25 FE is slimmer at 7.4mm thick.
Which is more water resistant, the Samsung Galaxy S21 Plus or Samsung Galaxy S25 FE?
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 S21 Plus and Samsung Galaxy S25 FE run?
The Samsung Galaxy S21 Plus runs Android 11 and the Samsung Galaxy S25 FE runs Android 16. This is one of the biggest factors when choosing between the two, as each ecosystem has its own apps, services and features.