Samsung Galaxy S21 Ultra vs Xiaomi 15T Pro
37.2Performance69
56.3Display71
72Camera61.4
46.4Battery85.1
78.7Features100
4 spec wins — Samsung Galaxy S21 Ultra16 spec wins — Xiaomi 15T Pro
InnoReviews verdict
Xiaomi 15T Pro wins this phone face-off, 74.2 to 53.9, pulling ahead mainly in battery (+39) and performance (+32). 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 61
- 116% higher Main camera: 108 MP vs 50 MP
- 100% higher Optical zoom: 10 x vs 5 x
- 25% higher Front camera: 40 MP vs 32 MP
- 15% higher Pixel density: 515 ppi vs 447 ppi
Reasons to pick the Xiaomi 15T Pro
- Stronger performance score: 69 vs 37
- Stronger display score: 71 vs 56
- Stronger battery score: 85 vs 46
- Stronger features score: 100 vs 79
- 603% higher AnTuTu 11 (GPU): 892,637 vs 126,989
Display
| Spec | Samsung Galaxy S21 Ultra | Xiaomi 15T Pro |
|---|---|---|
| Screen size | 6.8 ″ | 6.83 ″ |
| Panel type | LTPO AMOLED | AMOLED |
| Resolution | 3200x1440 | 1280x2772 |
| Pixel density | 515 ppi+15% | 447 ppi |
| Refresh rate | 120 Hz | 144 Hz+20% |
| Peak brightness | 1,500 nits | 3,200 nits+113% |
Performance
| Spec | Samsung Galaxy S21 Ultra | Xiaomi 15T Pro |
|---|---|---|
| Chipset | Samsung Exynos 2100 | MediaTek Dimensity 9400+ |
| AnTuTu 11 | 783,817Bottom 22% | 2,583,659+230%Top 26% |
| AnTuTu 11 (CPU) | 263,424Bottom 17% | 750,360+185%Top 26% |
| AnTuTu 11 (GPU) | 126,989Bottom 33% | 892,637+603%Top 26% |
| AnTuTu 11 (Memory) | 165,563Bottom 35% | 369,201+123%Top 21% |
| AnTuTu 11 (UX) | 227,841Bottom 20% | 571,461+151%Top 21% |
| Geekbench 6 (single) | 1,430Top 46% | 2,596+82%Top 21% |
| Geekbench 6 (multi) | 3,550Bottom 50% | 7,749+118%Top 19% |
| RAM (max) | 12 GB | 12 GB |
| Storage options | 128GB / 256GB / 512GB | 256/512GB/1TB |
| Storage type | UFS 3.1 | UFS 4.1 |
Camera
| Spec | Samsung Galaxy S21 Ultra | Xiaomi 15T Pro |
|---|---|---|
| Main camera | 108 MP+116% | 50 MP |
| Main aperture | f/1.8 | f/1.6 |
| Ultra-wide | 12 MP | 12 MP |
| Telephoto | 10 MP | 50 MP+400% |
| Optical zoom | 10 x+100% | 5 x |
| Max video | 8K@24fps | 8K@30fps |
| Front camera | 40 MP+25% | 32 MP |
| OIS | Yes | Yes |
Battery
| Spec | Samsung Galaxy S21 Ultra | Xiaomi 15T Pro |
|---|---|---|
| Capacity | 5,000 mAh | 5,500 mAh+10% |
| Wired charging | 25 W | 90 W+260% |
| Wireless charging | 15 W | 50 W+233% |
| Active use endurance | — | 16.4 h |
Design
| Spec | Samsung Galaxy S21 Ultra | Xiaomi 15T Pro |
|---|---|---|
| Weight | 228 g | 210 g+8% |
| Thickness | 8.9 mm | 8 mm+11% |
| IP rating | IP68 | IP68 |
| Frame material | Aluminum | Aluminum |
Connectivity
| Spec | Samsung Galaxy S21 Ultra | Xiaomi 15T Pro |
|---|---|---|
| 5G | Yes | Yes |
| Wi-Fi | Wi-Fi 6E | Wi-Fi 7 |
| Bluetooth | 5.2 | 6.0 |
| NFC | Yes | Yes |
| USB | USB-C 3.2 | USB-C 2.0 |
| eSIM | Yes | Yes |
Software
| Spec | Samsung Galaxy S21 Ultra | Xiaomi 15T Pro |
|---|---|---|
| OS at launch | Android 11 (One UI 3.1) | Android 15 (HyperOS 2) |
| OS update pledge | 4 years | — |
Audio
| Spec | Samsung Galaxy S21 Ultra | Xiaomi 15T Pro |
|---|---|---|
| Stereo speakers | Yes | Yes |
| 3.5mm jack | No | No |
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