Samsung Galaxy S21 Ultra vs Xiaomi 13 Ultra
37.2Performance54
56.3Display64.2
72Camera69.5
46.4Battery71.6
78.7Features65.3
7 spec wins — Samsung Galaxy S21 Ultra10 spec wins — Xiaomi 13 Ultra
InnoReviews verdict
Xiaomi 13 Ultra wins this phone face-off, 63.8 to 53.9, pulling ahead mainly in battery (+25) and performance (+17). 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 features score: 79 vs 65
- 116% higher Main camera: 108 MP vs 50 MP
- 100% higher Optical zoom: 10 x vs 5 x
- 33% higher OS update pledge: 4 years vs 3 years
- 25% higher Front camera: 40 MP vs 32 MP
Reasons to pick the Xiaomi 13 Ultra
- Stronger performance score: 54 vs 37
- Stronger display score: 64 vs 56
- Stronger battery score: 72 vs 46
- 400% higher telephoto: 50 MP vs 10 MP
- 317% higher Ultra-wide: 50 MP vs 12 MP
Display
| Spec | Samsung Galaxy S21 Ultra | Xiaomi 13 Ultra |
|---|---|---|
| Screen size | 6.8 ″+1% | 6.73 ″ |
| Panel type | LTPO AMOLED | LTPO OLED |
| Resolution | 3200x1440 | 3200x1440 |
| Pixel density | 515 ppi | 522 ppi+1% |
| Refresh rate | 120 Hz | 120 Hz |
| Peak brightness | 1,500 nits | 2,600 nits+73% |
| AnTuTu 10 (CPU) | 263,424Top 88% | — |
| AnTuTu 10 (GPU) | 126,989Top 82% | — |
| AnTuTu 10 (Memory) | 165,563Top 72% | — |
| AnTuTu 10 (UX) | 227,841Top 82% | — |
Performance
| Spec | Samsung Galaxy S21 Ultra | Xiaomi 13 Ultra |
|---|---|---|
| Chipset | Samsung Exynos 2100 | Snapdragon 8 Gen 2 |
| AnTuTu 10 | 783,817Top 65% | 1,550,000+98%Top 22% |
| Geekbench 6 (single) | 1,430Top 52% | 2,050+43%Top 31% |
| Geekbench 6 (multi) | 3,550Top 56% | 5,500+55%Top 28% |
| RAM (max) | 12 GB | 12 GB |
| Storage options | 128GB / 256GB / 512GB | 256GB / 512GB / 1TB |
| Storage type | UFS 3.1 | UFS 4.0 |
Camera
| Spec | Samsung Galaxy S21 Ultra | Xiaomi 13 Ultra |
|---|---|---|
| Main camera | 108 MP+116% | 50 MP |
| Main aperture | f/1.8 | f/1.9-4.0 |
| Ultra-wide | 12 MP | 50 MP+317% |
| Telephoto | 10 MP | 50 MP+400% |
| Optical zoom | 10 x+100% | 5 x |
| Max video | 8K@24fps | 8K@24fps |
| Front camera | 40 MP+25% | 32 MP |
| OIS | Yes | Yes |
Battery
| Spec | Samsung Galaxy S21 Ultra | Xiaomi 13 Ultra |
|---|---|---|
| Capacity | 5,000 mAh | 5,000 mAh |
| Wired charging | 25 W | 90 W+260% |
| Wireless charging | 15 W | 50 W+233% |
Design
| Spec | Samsung Galaxy S21 Ultra | Xiaomi 13 Ultra |
|---|---|---|
| Weight | 228 g | 227 g |
| Thickness | 8.9 mm+2% | 9.1 mm |
| IP rating | IP68 | IP68 |
| Frame material | Aluminum | Aluminum |
Connectivity
| Spec | Samsung Galaxy S21 Ultra | Xiaomi 13 Ultra |
|---|---|---|
| 5G | Yes | Yes |
| Wi-Fi | Wi-Fi 6E | Wi-Fi 6E |
| Bluetooth | 5.2 | 5.3 |
| NFC | Yes | Yes |
| USB | USB-C 3.2 | USB-C 3.2 |
| eSIM | Yes | No |
Software
| Spec | Samsung Galaxy S21 Ultra | Xiaomi 13 Ultra |
|---|---|---|
| OS at launch | Android 11 (One UI 3.1) | Android 13 (MIUI 14) |
| OS update pledge | 4 years+33% | 3 years |
Audio
| Spec | Samsung Galaxy S21 Ultra | Xiaomi 13 Ultra |
|---|---|---|
| Stereo speakers | Yes | Yes |
| 3.5mm jack | No | No |
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