Samsung Galaxy S21 Ultra vs Vivo X Fold6
37.2Performance76
56.3Display74.6
72Camera71.8
46.4Battery86.9
78.7Features86.7
4 spec wins — Samsung Galaxy S21 Ultra11 spec wins — Vivo X Fold6
InnoReviews verdict
Vivo X Fold6 wins this phone face-off, 78.1 to 53.9, pulling ahead mainly in battery (+41) and performance (+39). 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
- 233% higher Optical zoom: 10 x vs 3 x
- 100% higher Front camera: 40 MP vs 20 MP
- 21% higher Pixel density: 515 ppi vs 425 ppi
Reasons to pick the Vivo X Fold6
- Stronger performance score: 76 vs 37
- Stronger display score: 75 vs 56
- Stronger battery score: 87 vs 46
- Stronger features score: 87 vs 79
- 400% higher telephoto: 50 MP vs 10 MP
Display
| Spec | Samsung Galaxy S21 Ultra | Vivo X Fold6 |
|---|---|---|
| Screen size | 6.8 ″ | 8.02 ″+18% |
| Panel type | LTPO AMOLED | Foldable LTPO AMOLED |
| Resolution | 3200x1440 | 2312x2504 |
| Pixel density | 515 ppi+21% | 425 ppi |
| Refresh rate | 120 Hz | 120 Hz |
| Peak brightness | 1,500 nits | 5,000 nits+233% |
| Screen-to-body | — | 90.3 % |
Performance
| Spec | Samsung Galaxy S21 Ultra | Vivo X Fold6 |
|---|---|---|
| Chipset | Samsung Exynos 2100 | MediaTek Dimensity 9500 Super Edition |
| 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% | 3,181+122%Top 10% |
| Geekbench 6 (multi) | 3,550Bottom 50% | 9,511+168%Top 11% |
| RAM (max) | 12 GB | 16 GB+33% |
| Storage options | 128GB / 256GB / 512GB | 256/512GB/1TB |
| Storage type | UFS 3.1 | UFS 4.1 |
Camera
| Spec | Samsung Galaxy S21 Ultra | Vivo X Fold6 |
|---|---|---|
| Main camera | 108 MP | 200 MP+85% |
| Main aperture | f/1.8 | f/1.7 |
| Ultra-wide | 12 MP | 50 MP+317% |
| Telephoto | 10 MP | 50 MP+400% |
| Optical zoom | 10 x+233% | 3 x |
| Max video | 8K@24fps | 8K@30fps |
| Front camera | 40 MP+100% | 20 MP |
| OIS | Yes | Yes |
Battery
| Spec | Samsung Galaxy S21 Ultra | Vivo X Fold6 |
|---|---|---|
| Capacity | 5,000 mAh | 7,000 mAh+40% |
| Wired charging | 25 W | 80 W+220% |
| Wireless charging | 15 W | 40 W+167% |
Design
| Spec | Samsung Galaxy S21 Ultra | Vivo X Fold6 |
|---|---|---|
| Weight | 228 g | 228 g |
| Thickness | 8.9 mm+5% | 9.4 mm |
| IP rating | IP68 | IP58/IP59 |
| Frame material | Aluminum | Aluminum |
Connectivity
| Spec | Samsung Galaxy S21 Ultra | Vivo X Fold6 |
|---|---|---|
| 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 | — |
Software
| Spec | Samsung Galaxy S21 Ultra | Vivo X Fold6 |
|---|---|---|
| OS at launch | Android 11 (One UI 3.1) | Android 16 (OriginOS 6 Fold) |
| OS update pledge | 4 years | — |
Audio
| Spec | Samsung Galaxy S21 Ultra | Vivo X Fold6 |
|---|---|---|
| Stereo speakers | Yes | Yes |
| 3.5mm jack | No | No |
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