Samsung Galaxy S26 Ultra vs Xiaomi 15
90Performance76.7
62.7Display64.5
74Camera64.7
61.2Battery83.5
94.7Features78.7
13 spec wins — Samsung Galaxy S26 Ultra6 spec wins — Xiaomi 15
InnoReviews verdict
Samsung Galaxy S26 Ultra wins this phone face-off, 76 to 73.4, pulling ahead mainly in features (+16) and performance (+13). Xiaomi 15 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 S26 Ultra
- Stronger performance score: 90 vs 77
- Stronger camera score: 74 vs 65
- Stronger features score: 95 vs 79
- 300% higher Main camera: 200 MP vs 50 MP
- 92% higher Optical zoom: 5 x vs 2.6 x
Reasons to pick the Xiaomi 15
- Stronger battery score: 84 vs 61
- 167% higher Front camera: 32 MP vs 12 MP
- 100% higher Wireless charging: 50 W vs 25 W
- 50% higher Wired charging: 90 W vs 60 W
- 23% higher Peak brightness: 3,200 nits vs 2,600 nits
Display
| Spec | Samsung Galaxy S26 Ultra | Xiaomi 15 |
|---|---|---|
| Screen size | 6.9 ″+8% | 6.36 ″ |
| Panel type | LTPO AMOLED | LTPO AMOLED |
| Resolution | 3120x1440 | 1200x2670 |
| Pixel density | 498 ppi+8% | 460 ppi |
| Refresh rate | 120 Hz | 120 Hz |
| Peak brightness | 2,600 nits | 3,200 nits+23% |
Performance
| Spec | Samsung Galaxy S26 Ultra | Xiaomi 15 |
|---|---|---|
| Chipset | Snapdragon 8 Elite Gen 5 for Galaxy | Snapdragon 8 Elite |
| AnTuTu 11 | 3,437,807+18%Top 7% | 2,914,100Top 17% |
| AnTuTu 11 (CPU) | 1,017,509+16%Top 7% | 874,340Top 14% |
| AnTuTu 11 (GPU) | 1,344,505+26%Top 7% | 1,069,991Top 17% |
| AnTuTu 11 (Memory) | 390,717+3%Top 19% | 379,667Top 20% |
| AnTuTu 11 (UX) | 685,076+16%Top 8% | 590,102Top 20% |
| Geekbench 6 (single) | 3,850+30%Top 1% | 2,972Top 15% |
| Geekbench 6 (multi) | 11,900+28%Top 1% | 9,330Top 12% |
| Wild Life Extreme stability | — | 89 %Top 50% |
| RAM (max) | 12 GB | 12 GB |
| Storage options | 256GB / 512GB / 1TB | 256/512GB |
| Storage type | UFS 4.1 | UFS 4.0 |
Camera
| Spec | Samsung Galaxy S26 Ultra | Xiaomi 15 |
|---|---|---|
| Main camera | 200 MP+300% | 50 MP |
| Main aperture | f/1.7 | f/1.62 |
| Ultra-wide | 50 MP | 50 MP |
| Telephoto | 50 MP | 50 MP |
| Optical zoom | 5 x+92% | 2.6 x |
| Max video | 8K@30fps | 8K@30fps |
| Front camera | 12 MP | 32 MP+167% |
| OIS | Yes | Yes |
Battery
| Spec | Samsung Galaxy S26 Ultra | Xiaomi 15 |
|---|---|---|
| Capacity | 5,000 mAh | 5,240 mAh+5% |
| Wired charging | 60 W | 90 W+50% |
| Wireless charging | 25 W | 50 W+100% |
| Active use endurance | — | 16.5 h |
Design
| Spec | Samsung Galaxy S26 Ultra | Xiaomi 15 |
|---|---|---|
| Weight | 214 g | 191 g+11% |
| Thickness | 7.9 mm+2% | 8.1 mm |
| IP rating | IP68 | IP68 |
| Frame material | Titanium | Aluminum |
Connectivity
| Spec | Samsung Galaxy S26 Ultra | Xiaomi 15 |
|---|---|---|
| 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 S26 Ultra | Xiaomi 15 |
|---|---|---|
| OS at launch | Android 16 (One UI 8.5) | Android 15 (HyperOS 2) |
| OS update pledge | 7 years+75% | 4 years |
Audio
| Spec | Samsung Galaxy S26 Ultra | Xiaomi 15 |
|---|---|---|
| Stereo speakers | Yes | Yes |
| 3.5mm jack | No | No |