Samsung Galaxy S21 FE 5G vs Samsung Galaxy S24
Our Verdict: There's three years between the Galaxy S21 FE 5G and the Galaxy S24, so the Galaxy S24 is ahead on most things. The S24 has the better camera on paper, 50MP versus 12MP, and there's more battery in the S21 FE 5G, 4500mAh to 4000mAh, which usually means longer between charges. The S21 FE 5G has the bigger screen, 6.4" against 6.2", and the S24 is the lighter phone at 167g against 177g. Coming from the S21 FE 5G, the S24 is a genuine upgrade rather than a token one.
If you'd rather pay up front, the S21 FE 5G is the cheaper buy at £130 SIM-free.
10 reviews 4.2
10 reviews
Prices updated 28 July 2026
Samsung Galaxy S21 FE 5G
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Samsung Galaxy S24
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|---|---|---|
| Expert Rating | 3.9 10 reviews |
4.2 10 reviews |
| Screen | 6.4" | 6.2" |
| Display | Dynamic AMOLED 2X capacitive touchscreen | Dynamic LTPO AMOLED 2X |
| Resolution | 1080 x 2400 | 1080 x 2340 |
| Pixels Per Inch | 411 | 416 |
| Rear Camera | 12 Megapixels | 50 Megapixels |
| Front Camera | 32 Megapixels | 12 Megapixels |
| Chipset | Exynos 990 | Qualcomm SM8650-AB Snapdragon 8 Gen 3 (4 nm) |
| Battery | 4,500 mAh | 4,000 mAh |
| Storage | 128GB, 256GB | 128GB, 256GB |
| OS | Android 12 | Android 14 |
| SIM Type | Nano SIM | Nano SIM |
| Connectivity | Up to 5G | Up to 5G |
| Wi-Fi | 802.11 a/b/g/n/ac/6 | 802.11 a/b/g/n/ac/6e |
| Bluetooth | 5.0 with A2DP, LE | 5.3, A2DP, LE |
| Dimensions | 159.8 x 74.5 x 8.4 mm | 147.0 x 70.6 x 7.6 mm |
| Weight | 177 grams | 167 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 | - |
£20.00/mo
£49.00 upfront |
| SIM-free | £129.99 | £279.00 |
| Prices updated 28 July 2026 | ||
| Deals | Deals | |
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Frequently Asked Questions
Which has the better screen, the Samsung Galaxy S21 FE 5G or Samsung Galaxy S24?
The Samsung Galaxy S21 FE 5G has the bigger screen at 6.4" compared to the Samsung Galaxy S24's 6.2", both screens are similarly sharp at around 411 pixels per inch, and the Samsung Galaxy S21 FE 5G uses a Dynamic AMOLED 2X capacitive touchscreen panel while the Samsung Galaxy S24 has a Dynamic LTPO AMOLED 2X.
Which has the better camera, the Samsung Galaxy S21 FE 5G or Samsung Galaxy S24?
The Samsung Galaxy S21 FE 5G features a 12 Megapixels rear camera, while the Samsung Galaxy S24 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 FE 5G or Samsung Galaxy S24?
The Samsung Galaxy S21 FE 5G is cheaper SIM-free, starting from £129.99.
What storage options are available for the Samsung Galaxy S21 FE 5G and Samsung Galaxy S24?
The Samsung Galaxy S21 FE 5G is available in 128GB, 256GB, while the Samsung Galaxy S24 comes in 128GB, 256GB.
What processors do the Samsung Galaxy S21 FE 5G and Samsung Galaxy S24 use?
The Samsung Galaxy S21 FE 5G is powered by the Exynos 990, while the Samsung Galaxy S24 uses the Qualcomm SM8650-AB Snapdragon 8 Gen 3 (4 nm).
Which is easier to carry and hold, the Samsung Galaxy S21 FE 5G or Samsung Galaxy S24?
The Samsung Galaxy S24 is the more portable of the two: it's 10g lighter at 167 grams, it's also the more compact phone at 147.0 x 70.6 x 7.6 mm, and is slimmer at 7.6mm thick.
Which is more water resistant, the Samsung Galaxy S21 FE 5G or Samsung Galaxy S24?
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 FE 5G and Samsung Galaxy S24 run?
The Samsung Galaxy S21 FE 5G runs Android 12 and the Samsung Galaxy S24 runs Android 14. This is one of the biggest factors when choosing between the two, as each ecosystem has its own apps, services and features.