Samsung Galaxy Z Fold8 Ultra vs Xiaomi 18 Fold
64.4Performance91.6
60.8Display67
63.7Camera71.9
56Battery76.6
60Features86.7
5 spec wins — Samsung Galaxy Z Fold8 Ultra7 spec wins — Xiaomi 18 Fold
InnoReviews verdict
Xiaomi 18 Fold wins this phone face-off, 79.3 to 61.4, pulling ahead mainly in performance (+27) and features (+27). 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
- 17% lower thickness: 8.9 mm vs 10.7 mm
- 10% higher Pixel density: 422 ppi vs 382 ppi
- Has eSIM — the other doesn't
Reasons to pick the Xiaomi 18 Fold
- Stronger performance score: 92 vs 64
- Stronger display score: 67 vs 61
- Stronger camera score: 72 vs 64
- Stronger battery score: 77 vs 56
- Stronger features score: 87 vs 60
Display
| Spec | Samsung Galaxy Z Fold8 Ultra | Xiaomi 18 Fold |
|---|---|---|
| Screen size | 8 ″+6% | 7.58 ″ |
| Panel type | Foldable Dynamic AMOLED 2X | Foldable LTPO AMOLED |
| Resolution | 2504x2256 | 2364x1672 |
| Pixel density | 422 ppi+10% | 382 ppi |
| Refresh rate | 120 Hz | 120 Hz |
| Peak brightness | 3,000 nits | 4,000 nits+33% |
| Screen-to-body | — | 90.6 % |
Performance
| Spec | Samsung Galaxy Z Fold8 Ultra | Xiaomi 18 Fold |
|---|---|---|
| Chipset | Snapdragon 8 Elite Gen 5 for Galaxy | Xiaomi XRing O3 |
| AnTuTu | — | 4,811,636 |
| Geekbench 6 (single) | — | 3,448Top 7% |
| Geekbench 6 (multi) | — | 12,758Top 1% |
| 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 18 Fold |
|---|---|---|
| Main camera | 200 MP | 200 MP |
| Main aperture | f/1.7 | f/1.7 |
| Ultra-wide | 50 MP | 50 MP |
| Telephoto | 10 MP | 50 MP+400% |
| Optical zoom | 3 x | 3.5 x+17% |
| Max video | 8K | 8K@24fps |
| Front camera | 10 MP | 16 MP+60% |
| OIS | Yes | Yes |
Battery
| Spec | Samsung Galaxy Z Fold8 Ultra | Xiaomi 18 Fold |
|---|---|---|
| Capacity | 5,000 mAh | 6,000 mAh+20% |
| Wired charging | 45 W | 67 W+49% |
| Wireless charging | 20 W | 50 W+150% |
Design
| Spec | Samsung Galaxy Z Fold8 Ultra | Xiaomi 18 Fold |
|---|---|---|
| Weight | 215 g+2% | 219 g |
| Thickness | 8.9 mm+17% | 10.7 mm |
| IP rating | IP48 | IP58/IP59 |
| Frame material | Armor Aluminum | Aluminum |
Connectivity
| Spec | Samsung Galaxy Z Fold8 Ultra | Xiaomi 18 Fold |
|---|---|---|
| 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 | No |
Software
| Spec | Samsung Galaxy Z Fold8 Ultra | Xiaomi 18 Fold |
|---|---|---|
| OS at launch | Android 17 (One UI 9) | Android 17 (HyperOS 4) |
Audio
| Spec | Samsung Galaxy Z Fold8 Ultra | Xiaomi 18 Fold |
|---|---|---|
| Stereo speakers | — | Yes |
| 3.5mm jack | — | No |
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