Samsung Galaxy S21 Ultra vs Vivo X300 Ultra
37.2Performance93.3
56.3Display82.3
72Camera84.6
46.4Battery91.5
78.7Features84
3 spec wins — Samsung Galaxy S21 Ultra15 spec wins — Vivo X300 Ultra
InnoReviews verdict
Vivo X300 Ultra wins this phone face-off, 88.1 to 53.9, pulling ahead mainly in performance (+56) and battery (+45). 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
- 170% higher Optical zoom: 10 x vs 3.7 x
Reasons to pick the Vivo X300 Ultra
- Stronger performance score: 93 vs 37
- Stronger display score: 82 vs 56
- Stronger camera score: 85 vs 72
- Stronger battery score: 92 vs 46
- Stronger features score: 84 vs 79
Display
| Spec | Samsung Galaxy S21 Ultra | Vivo X300 Ultra |
|---|---|---|
| Screen size | 6.8 ″ | 6.82 ″ |
| Panel type | LTPO AMOLED | LTPO AMOLED |
| Resolution | 3200x1440 | 1440x3168 |
| Pixel density | 515 ppi+1% | 510 ppi |
| Refresh rate | 120 Hz | 144 Hz+20% |
| Peak brightness | 1,500 nits | 4,500 nits+200% |
| Screen-to-body | — | 90.3 % |
Performance
| Spec | Samsung Galaxy S21 Ultra | Vivo X300 Ultra |
|---|---|---|
| Chipset | Samsung Exynos 2100 | Qualcomm Snapdragon 8 Elite Gen 5 |
| AnTuTuDifferent AnTuTu versions — not compared | 783,817Bottom 22% | 4,085,695 |
| 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% | 3,730+161%Top 3% |
| Geekbench 6 (multi) | 3,550Bottom 50% | 11,494+224%Top 3% |
| 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 X300 Ultra |
|---|---|---|
| Main camera | 108 MP | 200 MP+85% |
| Main aperture | f/1.8 | f/1.9 |
| Ultra-wide | 12 MP | 50 MP+317% |
| Telephoto | 10 MP | 200 MP+1900% |
| Optical zoom | 10 x+170% | 3.7 x |
| Max video | 8K@24fps | 8K@30fps |
| Front camera | 40 MP | 50 MP+25% |
| OIS | Yes | Yes |
Battery
| Spec | Samsung Galaxy S21 Ultra | Vivo X300 Ultra |
|---|---|---|
| Capacity | 5,000 mAh | 6,600 mAh+32% |
| Wired charging | 25 W | 100 W+300% |
| Wireless charging | 15 W | 40 W+167% |
| Active use endurance | — | 16 h |
Design
| Spec | Samsung Galaxy S21 Ultra | Vivo X300 Ultra |
|---|---|---|
| Weight | 228 g+2% | 232 g |
| Thickness | 8.9 mm | 8.2 mm+8% |
| IP rating | IP68 | IP68/IP69 |
| Frame material | Aluminum | Aluminum |
Connectivity
| Spec | Samsung Galaxy S21 Ultra | Vivo X300 Ultra |
|---|---|---|
| 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 | Vivo X300 Ultra |
|---|---|---|
| OS at launch | Android 11 (One UI 3.1) | Android 16 (OriginOS 6) |
| OS update pledge | 4 years | 5 years+25% |
Audio
| Spec | Samsung Galaxy S21 Ultra | Vivo X300 Ultra |
|---|---|---|
| Stereo speakers | Yes | Yes |
| 3.5mm jack | No | No |
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