Samsung Galaxy S25 Ultra vs Xiaomi 15 Ultra
80Performance79.1
66.7Display69.1
74Camera73.2
65.8Battery79
94.7Features78.7
10 spec wins — Samsung Galaxy S25 Ultra8 spec wins — Xiaomi 15 Ultra
InnoReviews verdict
This one is close to a dead heat: Samsung Galaxy S25 Ultra scores 74.8 against 75.9 for Xiaomi 15 Ultra. Pick by the categories that matter to you — Xiaomi 15 Ultra edges ahead in battery and display, or by price.
Which would you pick?
Key differences
Reasons to pick the Samsung Galaxy S25 Ultra
- Stronger features score: 95 vs 79
- 300% higher Main camera: 200 MP vs 50 MP
- 75% higher OS update pledge: 7 years vs 4 years
- 16% higher Optical zoom: 5 x vs 4.3 x
- 12% lower thickness: 8.2 mm vs 9.4 mm
- Lower launch price: $1,300 vs $1,499
Reasons to pick the Xiaomi 15 Ultra
- Stronger battery score: 79 vs 66
- 433% higher Wireless charging: 80 W vs 15 W
- 300% higher telephoto: 200 MP vs 50 MP
- 167% higher Front camera: 32 MP vs 12 MP
- 100% higher Wired charging: 90 W vs 45 W
Display
| Spec | Samsung Galaxy S25 Ultra | Xiaomi 15 Ultra |
|---|---|---|
| Screen size | 6.9 ″+3% | 6.73 ″ |
| Panel type | Dynamic LTPO AMOLED 2X | LTPO AMOLED |
| Resolution | 1440x3120 | 1440x3200 |
| Pixel density | 498 ppi | 522 ppi+5% |
| Refresh rate | 120 Hz | 120 Hz |
| Peak brightness | 2,600 nits | 3,200 nits+23% |
| Screen-to-body | 92.5 %+3% | 90 % |
| AnTuTu 10 (CPU) | 895,141Top 10% | — |
| AnTuTu 10 (GPU) | 989,555Top 13% | — |
| AnTuTu 10 (Memory) | 348,188Top 19% | — |
| AnTuTu 10 (UX) | 555,097Top 13% | — |
Performance
| Spec | Samsung Galaxy S25 Ultra | Xiaomi 15 Ultra |
|---|---|---|
| Chipset | Snapdragon 8 Elite for Galaxy | Snapdragon 8 Elite |
| AnTuTu 10 | 2,787,981+5%Top 4% | 2,650,000Top 4% |
| Geekbench 6 (single) | 3,030Top 8% | 3,050+1%Top 7% |
| Geekbench 6 (multi) | 9,800+2%Top 3% | 9,600Top 5% |
| RAM (max) | 16 GB | 16 GB |
| Storage options | 256/512GB/1TB | 256/512GB/1TB |
| Storage type | UFS 4.0 | UFS 4.1 |
Camera
| Spec | Samsung Galaxy S25 Ultra | Xiaomi 15 Ultra |
|---|---|---|
| Main camera | 200 MP+300% | 50 MP |
| Main aperture | f/1.7 | f/1.63 |
| Ultra-wide | 50 MP | 50 MP |
| Telephoto | 50 MP | 200 MP+300% |
| Optical zoom | 5 x+16% | 4.3 x |
| Max video | 8K@30fps | 8K@30fps |
| Front camera | 12 MP | 32 MP+167% |
| OIS | Yes | Yes |
Battery
| Spec | Samsung Galaxy S25 Ultra | Xiaomi 15 Ultra |
|---|---|---|
| Capacity | 5,000 mAh | 5,410 mAh+8% |
| Wired charging | 45 W | 90 W+100% |
| Wireless charging | 15 W | 80 W+433% |
| Active use endurance | 13 h+8% | 12 h |
Design
| Spec | Samsung Galaxy S25 Ultra | Xiaomi 15 Ultra |
|---|---|---|
| Weight | 218 g+4% | 226 g |
| Thickness | 8.2 mm+12% | 9.4 mm |
| IP rating | IP68 | IP68 |
| Frame material | Titanium | Aluminum |
Connectivity
| Spec | Samsung Galaxy S25 Ultra | Xiaomi 15 Ultra |
|---|---|---|
| 5G | Yes | Yes |
| Wi-Fi | Wi-Fi 7 | Wi-Fi 7 |
| Bluetooth | 5.4 | 6.0 |
| NFC | Yes | Yes |
| USB | USB-C 3.2 | USB-C 3.2 |
| eSIM | Yes | Yes |
Software
| Spec | Samsung Galaxy S25 Ultra | Xiaomi 15 Ultra |
|---|---|---|
| OS at launch | Android 15 (One UI 7) | Android 15 (HyperOS 2) |
| OS update pledge | 7 years+75% | 4 years |
Audio
| Spec | Samsung Galaxy S25 Ultra | Xiaomi 15 Ultra |
|---|---|---|
| Stereo speakers | Yes | Yes |
| 3.5mm jack | No | No |
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