Samsung Galaxy S21 Ultra vs Vivo S2
37.2Performance28.9
56.3Display65.5
72Camera34.1
46.4Battery70.9
78.7Features57.3
8 spec wins — Samsung Galaxy S21 Ultra6 spec wins — Vivo S2
InnoReviews verdict
Samsung Galaxy S21 Ultra wins this phone face-off, 53.9 to 48.5, pulling ahead mainly in camera (+38) and features (+21). Vivo S2 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 performance score: 37 vs 29
- Stronger camera score: 72 vs 34
- Stronger features score: 79 vs 57
- 116% higher Main camera: 108 MP vs 50 MP
- 50% higher RAM (max): 12 GB vs 8 GB
Reasons to pick the Vivo S2
- Stronger display score: 66 vs 56
- Stronger battery score: 71 vs 46
- 100% higher Peak brightness: 3,000 nits vs 1,500 nits
- 76% higher Wired charging: 44 W vs 25 W
- 41% higher capacity: 7,050 mAh vs 5,000 mAh
Display
| Spec | Samsung Galaxy S21 Ultra | Vivo S2 |
|---|---|---|
| Screen size | 6.8 ″ | 6.83 ″ |
| Panel type | LTPO AMOLED | 3D Curved AMOLED |
| Resolution | 3200x1440 | 1260x2800 |
| Pixel density | 515 ppi+15% | 449 ppi |
| Refresh rate | 120 Hz | 120 Hz |
| Peak brightness | 1,500 nits | 3,000 nits+100% |
| Screen-to-body | — | 91.4 % |
Performance
| Spec | Samsung Galaxy S21 Ultra | Vivo S2 |
|---|---|---|
| Chipset | Samsung Exynos 2100 | MediaTek Dimensity 7360-Turbo |
| 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% | — |
| Geekbench 6 (multi) | 3,550Bottom 50% | — |
| RAM (max) | 12 GB+50% | 8 GB |
| Storage options | 128GB / 256GB / 512GB | 128/256GB |
| Storage type | UFS 3.1 | UFS 3.1 |
Camera
| Spec | Samsung Galaxy S21 Ultra | Vivo S2 |
|---|---|---|
| Main camera | 108 MP+116% | 50 MP |
| Main aperture | f/1.8 | f/1.8 |
| Ultra-wide | 12 MP | — |
| Telephoto | 10 MP | — |
| Optical zoom | 10 x | — |
| Max video | 8K@24fps | — |
| Front camera | 40 MP+25% | 32 MP |
| OIS | Yes | No |
Battery
| Spec | Samsung Galaxy S21 Ultra | Vivo S2 |
|---|---|---|
| Capacity | 5,000 mAh | 7,050 mAh+41% |
| Wired charging | 25 W | 44 W+76% |
| Wireless charging | 15 W | — |
Design
| Spec | Samsung Galaxy S21 Ultra | Vivo S2 |
|---|---|---|
| Weight | 228 g | 197 g+14% |
| Thickness | 8.9 mm | 8 mm+10% |
| IP rating | IP68 | IP68/IP69 |
| Frame material | Aluminum | Plastic |
Connectivity
| Spec | Samsung Galaxy S21 Ultra | Vivo S2 |
|---|---|---|
| 5G | Yes | Yes |
| Wi-Fi | Wi-Fi 6E | Wi-Fi 5 |
| Bluetooth | 5.2 | 5.4 |
| NFC | Yes | No |
| USB | USB-C 3.2 | USB-C 2.0 |
| eSIM | Yes | No |
Software
| Spec | Samsung Galaxy S21 Ultra | Vivo S2 |
|---|---|---|
| OS at launch | Android 11 (One UI 3.1) | Android 16 (OriginOS 6) |
| OS update pledge | 4 years+33% | 3 years |
Audio
| Spec | Samsung Galaxy S21 Ultra | Vivo S2 |
|---|---|---|
| Stereo speakers | Yes | Yes |
| 3.5mm jack | No | No |