Samsung Galaxy S21 Ultra vs Samsung Galaxy S25 Edge
37.2Performance73.2
56.3Display63.6
72Camera51.3
46.4Battery51.1
78.7Features94.7
4 spec wins — Samsung Galaxy S21 Ultra7 spec wins — Samsung Galaxy S25 Edge
InnoReviews verdict
Samsung Galaxy S25 Edge wins this phone face-off, 64.7 to 53.9, pulling ahead mainly in performance (+36) and features (+16). Samsung Galaxy S21 Ultra 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 Ultra
- Stronger camera score: 72 vs 51
- 233% higher Front camera: 40 MP vs 12 MP
- 28% higher capacity: 5,000 mAh vs 3,900 mAh
Reasons to pick the Samsung Galaxy S25 Edge
- Stronger performance score: 73 vs 37
- Stronger display score: 64 vs 56
- Stronger battery score: 51 vs 46
- Stronger features score: 95 vs 79
- 180% higher Geekbench 6 (multi): 9,941 vs 3,550
Display
| Spec | Samsung Galaxy S21 Ultra | Samsung Galaxy S25 Edge |
|---|---|---|
| Screen size | 6.8 ″+1% | 6.7 ″ |
| Panel type | LTPO AMOLED | Dynamic LTPO AMOLED 2X |
| Resolution | 3200x1440 | 1440x3120 |
| Pixel density | 515 ppi | 513 ppi |
| Refresh rate | 120 Hz | 120 Hz |
| Peak brightness | 1,500 nits | 2,600 nits+73% |
Performance
| Spec | Samsung Galaxy S21 Ultra | Samsung Galaxy S25 Edge |
|---|---|---|
| Chipset | Samsung Exynos 2100 | Snapdragon 8 Elite for Galaxy |
| AnTuTu | 783,817Bottom 22% | — |
| AnTuTu 11 (CPU) | 263,424Bottom 17% | — |
| AnTuTu 11 (GPU) | 126,989Bottom 33% | — |
| AnTuTu 11 (Memory) | 165,563Bottom 35% | — |
| AnTuTu 11 (UX) | 227,841Bottom 20% | — |
| Geekbench 6 (single) | 1,430Top 46% | 3,105+117%Top 11% |
| Geekbench 6 (multi) | 3,550Bottom 50% | 9,941+180%Top 7% |
| RAM (max) | 12 GB | 12 GB |
| Storage options | 128GB / 256GB / 512GB | 256/512GB |
| Storage type | UFS 3.1 | UFS 4.0 |
Camera
| Spec | Samsung Galaxy S21 Ultra | Samsung Galaxy S25 Edge |
|---|---|---|
| Main camera | 108 MP | 200 MP+85% |
| Main aperture | f/1.8 | f/1.7 |
| Ultra-wide | 12 MP | 12 MP |
| Telephoto | 10 MP | — |
| Optical zoom | 10 x | — |
| Max video | 8K@24fps | 8K@30fps |
| Front camera | 40 MP+233% | 12 MP |
| OIS | Yes | Yes |
Battery
| Spec | Samsung Galaxy S21 Ultra | Samsung Galaxy S25 Edge |
|---|---|---|
| Capacity | 5,000 mAh+28% | 3,900 mAh |
| Wired charging | 25 W | 25 W |
| Wireless charging | 15 W | 15 W |
| Active use endurance | — | 12.1 h |
Design
| Spec | Samsung Galaxy S21 Ultra | Samsung Galaxy S25 Edge |
|---|---|---|
| Weight | 228 g | 163 g+29% |
| Thickness | 8.9 mm | 5.8 mm+35% |
| IP rating | IP68 | IP68 |
| Frame material | Aluminum | Titanium |
Connectivity
| Spec | Samsung Galaxy S21 Ultra | Samsung Galaxy S25 Edge |
|---|---|---|
| 5G | Yes | Yes |
| Wi-Fi | Wi-Fi 6E | Wi-Fi 7 |
| Bluetooth | 5.2 | 5.4 |
| NFC | Yes | Yes |
| USB | USB-C 3.2 | USB-C 3.2 |
| eSIM | Yes | Yes |
Software
| Spec | Samsung Galaxy S21 Ultra | Samsung Galaxy S25 Edge |
|---|---|---|
| OS at launch | Android 11 (One UI 3.1) | Android 15 (One UI 7) |
| OS update pledge | 4 years | 7 years+75% |
Audio
| Spec | Samsung Galaxy S21 Ultra | Samsung Galaxy S25 Edge |
|---|---|---|
| Stereo speakers | Yes | Yes |
| 3.5mm jack | No | No |
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