Samsung Galaxy S23 Ultra vs Xiaomi 18 Fold
54.3Performance91.6
59.7Display67
69.9Camera71.9
62.8Battery76.6
78.7Features86.7
4 spec wins — Samsung Galaxy S23 Ultra13 spec wins — Xiaomi 18 Fold
InnoReviews verdict
Xiaomi 18 Fold wins this phone face-off, 79.3 to 62.6, pulling ahead mainly in performance (+37) and battery (+14). Samsung Galaxy S23 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 S23 Ultra
- 186% higher Optical zoom: 10 x vs 3.5 x
- 31% higher Pixel density: 501 ppi vs 382 ppi
- 17% lower thickness: 8.9 mm vs 10.7 mm
- Has eSIM — the other doesn't
Reasons to pick the Xiaomi 18 Fold
- Stronger performance score: 92 vs 54
- Stronger display score: 67 vs 60
- Stronger battery score: 77 vs 63
- Stronger features score: 87 vs 79
- 400% higher telephoto: 50 MP vs 10 MP
Display
| Spec | Samsung Galaxy S23 Ultra | Xiaomi 18 Fold |
|---|---|---|
| Screen size | 6.8 ″ | 7.58 ″+11% |
| Panel type | Dynamic AMOLED 2X | Foldable LTPO AMOLED |
| Resolution | 1440x3088 | 2364x1672 |
| Pixel density | 501 ppi+31% | 382 ppi |
| Refresh rate | 120 Hz | 120 Hz |
| Peak brightness | 1,750 nits | 4,000 nits+129% |
| Screen-to-body | 89.9 % | 90.6 %+1% |
Performance
| Spec | Samsung Galaxy S23 Ultra | Xiaomi 18 Fold |
|---|---|---|
| Chipset | Snapdragon 8 Gen 2 for Galaxy | Xiaomi XRing O3 |
| AnTuTuDifferent AnTuTu versions — not compared | 1,677,954Bottom 50% | 4,811,636 |
| AnTuTu 11 (CPU) | 550,163Bottom 51% | — |
| AnTuTu 11 (GPU) | 416,322Bottom 47% | — |
| AnTuTu 11 (Memory) | 277,973Bottom 51% | — |
| AnTuTu 11 (UX) | 433,496Top 44% | — |
| Geekbench 6 (single) | 2,000Top 34% | 3,448+72%Top 7% |
| Geekbench 6 (multi) | 5,400Top 34% | 12,758+136%Top 1% |
| RAM (max) | 12 GB | 16 GB+33% |
| Storage options | 256/512GB/1TB | 256/512GB/1TB |
| Storage type | UFS 4.0 | UFS 4.1 |
Camera
| Spec | Samsung Galaxy S23 Ultra | Xiaomi 18 Fold |
|---|---|---|
| Main camera | 200 MP | 200 MP |
| Main aperture | f/1.7 | f/1.7 |
| Ultra-wide | 12 MP | 50 MP+317% |
| Telephoto | 10 MP | 50 MP+400% |
| Optical zoom | 10 x+186% | 3.5 x |
| Max video | 8K@30fps | 8K@24fps |
| Front camera | 12 MP | 16 MP+33% |
| OIS | Yes | Yes |
Battery
| Spec | Samsung Galaxy S23 Ultra | Xiaomi 18 Fold |
|---|---|---|
| Capacity | 5,000 mAh | 6,000 mAh+20% |
| Wired charging | 45 W | 67 W+49% |
| Wireless charging | 15 W | 50 W+233% |
| Active use endurance | 12 h | — |
Design
| Spec | Samsung Galaxy S23 Ultra | Xiaomi 18 Fold |
|---|---|---|
| Weight | 234 g | 219 g+6% |
| Thickness | 8.9 mm+17% | 10.7 mm |
| IP rating | IP68 | IP58/IP59 |
| Frame material | Armor Aluminum | Aluminum |
Connectivity
| Spec | Samsung Galaxy S23 Ultra | Xiaomi 18 Fold |
|---|---|---|
| 5G | Yes | Yes |
| Wi-Fi | Wi-Fi 6E | Wi-Fi 7 |
| Bluetooth | 5.3 | 6.0 |
| NFC | Yes | Yes |
| USB | USB-C 3.2 | USB-C 3.2 |
| eSIM | Yes | No |
Software
| Spec | Samsung Galaxy S23 Ultra | Xiaomi 18 Fold |
|---|---|---|
| OS at launch | Android 13 (One UI 5.1) | Android 17 (HyperOS 4) |
| OS update pledge | 4 years | — |
Audio
| Spec | Samsung Galaxy S23 Ultra | Xiaomi 18 Fold |
|---|---|---|
| Stereo speakers | Yes | Yes |
| 3.5mm jack | No | No |
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