Samsung Galaxy Z Fold8 Ultra vs Xiaomi 15 Ultra
64.4Performance79.1
60.8Display69.1
63.7Camera73.2
56Battery79
60Features78.7
4 spec wins — Samsung Galaxy Z Fold8 Ultra8 spec wins — Xiaomi 15 Ultra
InnoReviews verdict
Xiaomi 15 Ultra wins this phone face-off, 75.9 to 61.4, pulling ahead mainly in battery (+23) and features (+19). Samsung Galaxy Z Fold8 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 Z Fold8 Ultra
- 300% higher Main camera: 200 MP vs 50 MP
- 19% higher Screen size: 8 ″ vs 6.73 ″
Reasons to pick the Xiaomi 15 Ultra
- Stronger performance score: 79 vs 64
- Stronger display score: 69 vs 61
- Stronger camera score: 73 vs 64
- Stronger battery score: 79 vs 56
- Stronger features score: 79 vs 60
- Lower launch price: $1,499 vs $2,100
Display
| Spec | Samsung Galaxy Z Fold8 Ultra | Xiaomi 15 Ultra |
|---|---|---|
| Screen size | 8 ″+19% | 6.73 ″ |
| Panel type | Foldable Dynamic AMOLED 2X | LTPO AMOLED |
| Resolution | 2504x2256 | 1440x3200 |
| Pixel density | 422 ppi | 522 ppi+24% |
| Refresh rate | 120 Hz | 120 Hz |
| Peak brightness | 3,000 nits | 3,200 nits+7% |
| Screen-to-body | — | 90 % |
Performance
| Spec | Samsung Galaxy Z Fold8 Ultra | Xiaomi 15 Ultra |
|---|---|---|
| Chipset | Snapdragon 8 Elite Gen 5 for Galaxy | Snapdragon 8 Elite |
| AnTuTu | — | 2,650,000 |
| Geekbench 6 (single) | — | 3,050Top 12% |
| Geekbench 6 (multi) | — | 9,600Top 11% |
| RAM (max) | 16 GB | 16 GB |
| Storage options | 256/512GB/1TB | 256/512GB/1TB |
| Storage type | — | UFS 4.1 |
Camera
| Spec | Samsung Galaxy Z Fold8 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 | 10 MP | 200 MP+1900% |
| Optical zoom | 3 x | 4.3 x+43% |
| Max video | 8K | 8K@30fps |
| Front camera | 10 MP | 32 MP+220% |
| OIS | Yes | Yes |
Battery
| Spec | Samsung Galaxy Z Fold8 Ultra | Xiaomi 15 Ultra |
|---|---|---|
| Capacity | 5,000 mAh | 5,410 mAh+8% |
| Wired charging | 45 W | 90 W+100% |
| Wireless charging | 20 W | 80 W+300% |
| Active use endurance | — | 12 h |
Design
| Spec | Samsung Galaxy Z Fold8 Ultra | Xiaomi 15 Ultra |
|---|---|---|
| Weight | 215 g+5% | 226 g |
| Thickness | 8.9 mm+5% | 9.4 mm |
| IP rating | IP48 | IP68 |
| Frame material | Armor Aluminum | Aluminum |
Connectivity
| Spec | Samsung Galaxy Z Fold8 Ultra | Xiaomi 15 Ultra |
|---|---|---|
| 5G | Yes | Yes |
| Wi-Fi | Wi-Fi 7 | Wi-Fi 7 |
| Bluetooth | 6.0 | 6.0 |
| NFC | — | Yes |
| USB | USB-C | USB-C 3.2 |
| eSIM | Yes | Yes |
Software
| Spec | Samsung Galaxy Z Fold8 Ultra | Xiaomi 15 Ultra |
|---|---|---|
| OS at launch | Android 17 (One UI 9) | Android 15 (HyperOS 2) |
| OS update pledge | — | 4 years |
Audio
| Spec | Samsung Galaxy Z Fold8 Ultra | Xiaomi 15 Ultra |
|---|---|---|
| Stereo speakers | — | Yes |
| 3.5mm jack | — | No |
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