Samsung Galaxy S21 FE 5G vs Samsung Galaxy S25 Ultra
37.5Performance80
47.2Display66.7
41.7Camera74
41.7Battery65.8
78.7Features94.7
3 spec wins — Samsung Galaxy S21 FE 5G14 spec wins — Samsung Galaxy S25 Ultra
InnoReviews verdict
Samsung Galaxy S25 Ultra wins this phone face-off, 74.8 to 45.2, pulling ahead mainly in performance (+43) and camera (+32). Samsung Galaxy S21 FE 5G still makes sense if its price or standout specs fit your needs better.
Which would you pick?
Key differences
Reasons to pick the Samsung Galaxy S21 FE 5G
- 167% higher Front camera: 32 MP vs 12 MP
- 19% lower weight: 177 g vs 218 g
- Lower launch price: $699 vs $1,300
Reasons to pick the Samsung Galaxy S25 Ultra
- Stronger performance score: 80 vs 38
- Stronger display score: 67 vs 47
- Stronger camera score: 74 vs 42
- Stronger battery score: 66 vs 42
- Stronger features score: 95 vs 79
Display
| Spec | Samsung Galaxy S21 FE 5G | Samsung Galaxy S25 Ultra |
|---|---|---|
| Screen size | 6.4 ″ | 6.9 ″+8% |
| Panel type | AMOLED | Dynamic LTPO AMOLED 2X |
| Resolution | 2340x1080 | 1440x3120 |
| Pixel density | 401 ppi | 498 ppi+24% |
| Refresh rate | 120 Hz | 120 Hz |
| Peak brightness | 1,200 nits | 2,600 nits+117% |
| Screen-to-body | — | 92.5 % |
| AnTuTu 10 (CPU) | — | 895,141Top 10% |
| AnTuTu 10 (GPU) | — | 989,555Top 13% |
| AnTuTu 10 (Memory) | — | 348,188Top 19% |
| AnTuTu 10 (UX) | — | 555,097Top 13% |
Performance
| Spec | Samsung Galaxy S21 FE 5G | Samsung Galaxy S25 Ultra |
|---|---|---|
| Chipset | Snapdragon 888 | Snapdragon 8 Elite for Galaxy |
| AnTuTu 10 | 1,040,324Top 46% | 2,787,981+168%Top 4% |
| Geekbench 6 (single) | 1,450Top 48% | 3,030+109%Top 8% |
| Geekbench 6 (multi) | 3,650Top 53% | 9,800+168%Top 3% |
| RAM (max) | 6 GB | 16 GB+167% |
| Storage options | 128GB / 256GB | 256/512GB/1TB |
| Storage type | UFS 3.1 | UFS 4.0 |
Camera
| Spec | Samsung Galaxy S21 FE 5G | Samsung Galaxy S25 Ultra |
|---|---|---|
| Main camera | 12 MP | 200 MP+1567% |
| Main aperture | f/1.8 | f/1.7 |
| Ultra-wide | 12 MP | 50 MP+317% |
| Telephoto | 8 MP | 50 MP+525% |
| Optical zoom | 3 x | 5 x+67% |
| Max video | 4K@60fps | 8K@30fps |
| Front camera | 32 MP+167% | 12 MP |
| OIS | Yes | Yes |
Battery
| Spec | Samsung Galaxy S21 FE 5G | Samsung Galaxy S25 Ultra |
|---|---|---|
| Capacity | 4,500 mAh | 5,000 mAh+11% |
| Wired charging | 25 W | 45 W+80% |
| Wireless charging | 15 W | 15 W |
| Active use endurance | — | 13 h |
Design
| Spec | Samsung Galaxy S21 FE 5G | Samsung Galaxy S25 Ultra |
|---|---|---|
| Weight | 177 g+19% | 218 g |
| Thickness | 7.9 mm+4% | 8.2 mm |
| IP rating | IP68 | IP68 |
| Frame material | Aluminum | Titanium |
Connectivity
| Spec | Samsung Galaxy S21 FE 5G | Samsung Galaxy S25 Ultra |
|---|---|---|
| 5G | Yes | Yes |
| Wi-Fi | Wi-Fi 6 | Wi-Fi 7 |
| Bluetooth | 5.0 | 5.4 |
| NFC | Yes | Yes |
| USB | USB-C 3.2 | USB-C 3.2 |
| eSIM | Yes | Yes |
Software
| Spec | Samsung Galaxy S21 FE 5G | Samsung Galaxy S25 Ultra |
|---|---|---|
| OS at launch | Android 12 (One UI 4) | Android 15 (One UI 7) |
| OS update pledge | 4 years | 7 years+75% |
Audio
| Spec | Samsung Galaxy S21 FE 5G | Samsung Galaxy S25 Ultra |
|---|---|---|
| Stereo speakers | Yes | Yes |
| 3.5mm jack | No | No |
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