Xiaomi 15 Ultra vs Xiaomi MIX Fold 4
Compare Xiaomi 15 Ultra vs Xiaomi MIX Fold 4 side by side: Qualcomm Snapdragon 8 Elite vs Qualcomm Snapdragon 8 Gen 3, 50MP vs 50MP camera, 6000mAh vs 5100mAh…
Xiaomi
15 Ultra
$1,499
12categories won
Xiaomi
Xiaomi MIX Fold 4
$1,499
2categories won
8 categories tied · 22 scored in total · add a third phone
Which one wins?
Xiaomi 15 Ultra takes the overall win
The Xiaomi 15 Ultra claims the overall win over the Xiaomi MIX Fold 4, delivering a stronger technical package across gaming and photography. In camera testing, the 15 Ultra leads with sharper imaging, while battery endurance leans towards the 15 Ultra. Choose the 15 Ultra if you want the highest performance ceiling, or opt for the Xiaomi MIX Fold 4 if its specific hardware strengths better fit your budget.
15 Ultra wins on endurance with 6,000 mAh and 90W fast charging.
15 Ultra leads gaming and raw performance powered by the Qualcomm Snapdragon 8 Elite and 16GB RAM.
15 Ultra wins photography with 50MP main imaging and 4.3x dedicated optical zoom.
Both handsets sit in the exact same pricing bracket around $1499.
Category verdicts are computed algorithmically from verified technical specifications and hardware benchmarks. Rows where neither figure is objectively better — screen size preference, operating system choice, aesthetic build materials — are displayed for direct reference without scoring bias.
15 Ultra vs Xiaomi MIX Fold 4: specifications compared
Display
| Specification | 15 Ultra | Xiaomi MIX Fold 4 |
|---|---|---|
| Screen size | 6.73" | 7.98" |
| Resolution | 1440 x 3200 | 2224 x 2488Winner |
| Pixel density | 522 ppiWinner | 418 ppi |
| Refresh rate | 120 Hz | 120 Hz |
| Peak brightness | 3200 nitsWinner | 3000 nits |
Performance
| Specification | 15 Ultra | Xiaomi MIX Fold 4 |
|---|---|---|
| Chipset | Qualcomm Snapdragon 8 Elite | Qualcomm Snapdragon 8 Gen 3 |
| Process node | 3 nmWinner | 4 nm |
| AnTuTu score | 2,840,000Winner | 2,110,000 |
| Geekbench multi | 9940Winner | 6940 |
| Maximum RAM | 16 GB | 16 GB |
| Maximum storage | 1TB | 1TB |
Camera
| Specification | 15 Ultra | Xiaomi MIX Fold 4 |
|---|---|---|
| Main sensor | 50 MP | 50 MP |
| Rear cameras | 4 | 4 |
| Optical zoom | 4.3xWinner | 2x |
| Ultrawide | 50 MPWinner | 12 MP |
| Selfie camera | 32 MPWinner | 16 MP |
| Max video | 8K at 30fps, 4K at 120fps Dolby Vision | 8K@24fps, 4K@60fps Dolby Vision |
Battery and charging
| Specification | 15 Ultra | Xiaomi MIX Fold 4 |
|---|---|---|
| Capacity | 6,000 mAhWinner | 5,100 mAh |
| Wired charging | 90 WWinner | 67 W |
| Wireless charging | 80 WWinner | 50 W |
Design
| Specification | 15 Ultra | Xiaomi MIX Fold 4 |
|---|---|---|
| Weight | 226 g | 226 g |
| Thickness | 9.4 mm | 4.59 mmWinner |
| Water resistance | IP68 | IPX8 |
| Build | Aerospace aluminum frame, eco-leather or ceramic-glass back | All-carbon fiber architecture, high-strength steel hinge, Dragon Crystal Glass |
Software and support
| Specification | 15 Ultra | Xiaomi MIX Fold 4 |
|---|---|---|
| Operating system | Android 15 | Android 14 |
| OS updates | 4 years | 4 years |
| Security updates | 6 yearsWinner | 5 years |
Connectivity and value
| Specification | 15 Ultra | Xiaomi MIX Fold 4 |
|---|---|---|
| 5G | Yes | Yes |
| Wi-Fi | Wi-Fi 7 (802.11be) | Wi-Fi 7 (802.11be) |
| Storage expansion | None | None |
| 3.5mm jack | No | No |
| Launch price | $1,499 | $1,499 |
Xiaomi 15 Ultra
Equipped with a giant 1-inch Sony LYT-900 primary sensor, an audacious 200MP 4.3x periscope telephoto, a massive 6000 mAh silicon-carbon battery, and 90W fast charging, the Xiaomi 15 Ultra is the ultimate optical zoom powerhouse.
- Display
- 6.73"
- Chipset
- Qualcomm Snapdragon 8 Elite
- Main camera
- 50MP
- Battery
- 6,000mAh
Xiaomi MIX Fold 4
The Xiaomi MIX Fold 4 sets an apex benchmark for book-style foldables, measuring a breathtaking 4.59mm unfolded and 9.47mm folded while weighing only 226g. Equipped with quad Leica cameras including dual telephotos (2x floating + 5x periscope), IPX8 waterproofing, 5,100mAh battery, and 50W wireless charging.
- Display
- 7.98"
- Chipset
- Qualcomm Snapdragon 8 Gen 3
- Main camera
- 50MP
- Battery
- 5,100mAh