Samsung Galaxy S21 Ultra vs Xiaomi 17T
37.2Performance65.5
56.3Display67.5
72Camera61.4
46.4Battery72.5
78.7Features100
5 spec wins — Samsung Galaxy S21 Ultra7 spec wins — Xiaomi 17T
InnoReviews verdict
Xiaomi 17T wins this phone face-off, 69.9 to 53.9, pulling ahead mainly in performance (+28) and battery (+26). 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
- 12% higher Pixel density: 515 ppi vs 460 ppi
Reasons to pick the Xiaomi 17T
- Stronger performance score: 66 vs 37
- Stronger display score: 68 vs 56
- Stronger battery score: 73 vs 46
- Stronger features score: 100 vs 79
- 400% higher telephoto: 50 MP vs 10 MP
Display
| Spec | Samsung Galaxy S21 Ultra | Xiaomi 17T |
|---|---|---|
| Screen size | 6.8 ″+3% | 6.59 ″ |
| Panel type | LTPO AMOLED | AMOLED |
| Resolution | 3200x1440 | 1268x2756 |
| Pixel density | 515 ppi+12% | 460 ppi |
| Refresh rate | 120 Hz | 120 Hz |
| Peak brightness | 1,500 nits | 3,500 nits+133% |
| Screen-to-body | — | 89.8 % |
Performance
| Spec | Samsung Galaxy S21 Ultra | Xiaomi 17T |
|---|---|---|
| Chipset | Samsung Exynos 2100 | MediaTek Dimensity 8500 Ultra |
| AnTuTuDifferent AnTuTu versions — not compared | 783,817Bottom 22% | 2,137,999 |
| 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% | 6,607+86%Top 27% |
| RAM (max) | 12 GB | 12 GB |
| Storage options | 128GB / 256GB / 512GB | 256GB/512GB |
| Storage type | UFS 3.1 | UFS 4.0 |
Camera
| Spec | Samsung Galaxy S21 Ultra | Xiaomi 17T |
|---|---|---|
| Main camera | 108 MP+116% | 50 MP |
| Main aperture | f/1.8 | f/1.7 |
| Ultra-wide | 12 MP | 12 MP |
| Telephoto | 10 MP | 50 MP+400% |
| Optical zoom | 10 x+100% | 5 x |
| Max video | 8K@24fps | 4K@60fps |
| Front camera | 40 MP+25% | 32 MP |
| OIS | Yes | Yes |
Battery
| Spec | Samsung Galaxy S21 Ultra | Xiaomi 17T |
|---|---|---|
| Capacity | 5,000 mAh | 6,500 mAh+30% |
| Wired charging | 25 W | 67 W+168% |
| Wireless charging | 15 W | — |
Design
| Spec | Samsung Galaxy S21 Ultra | Xiaomi 17T |
|---|---|---|
| Weight | 228 g | 200 g+12% |
| Thickness | 8.9 mm | 8.2 mm+8% |
| IP rating | IP68 | IP68 |
| Frame material | Aluminum | Plastic |
Connectivity
| Spec | Samsung Galaxy S21 Ultra | Xiaomi 17T |
|---|---|---|
| 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 Type-C 2.0 |
| eSIM | Yes | Yes |
Software
| Spec | Samsung Galaxy S21 Ultra | Xiaomi 17T |
|---|---|---|
| OS at launch | Android 11 (One UI 3.1) | Android 16 (HyperOS 3) |
| OS update pledge | 4 years | — |
Audio
| Spec | Samsung Galaxy S21 Ultra | Xiaomi 17T |
|---|---|---|
| Stereo speakers | Yes | Yes |
| 3.5mm jack | No | No |