Xiaomi 15 Ultra vs Samsung Galaxy Z Fold 7 | Specs, Camera & Battery
Xiaomi 15 Ultra vs Samsung Galaxy Z Fold 7
Here we compared two flagship smartphones: the 6.73-inch Xiaomi 15 Ultra (with Qualcomm Snapdragon 8 Elite) that was released on February 27, 2025, against the Samsung Galaxy Z Fold 7, which is powered by the same chip and came out 4 months after. On this page, you will find tests, full specs, strengths, and weaknesses of each of the devices.
Price Difference
| Model | US Price | Storage Variant | Notes |
|---|---|---|---|
| Samsung Galaxy Z Fold 7 | US$1,699.99 | 256 GB | Official Samsung US price for unlocked device. (Samsung nz) |
| — | US$1,819.99 | 512 GB | Higher storage option. (Samsung nz) |
| — | US$2,119.99 | 1 TB | Top-end storage tier. (Samsung nz) |
| Xiaomi 15 Ultra | ≈ US$894 | Base model (China launch) | This is the launch price in China (converted to USD). It may differ in US/Global regions due to import, tax etc. (Reuters) |
| — | ≈ US$1,199–US$1,300+ | 512 GB / Global version / via US sellers | Unofficial listings (online marketplaces) show prices in this range for the unlocked/global version. (eBay) |
Key Differences
| Category | Xiaomi 15 Ultra | Samsung Galaxy Z Fold 7 |
|---|---|---|
| Battery Life | Lasts 40% longer (30:03 vs 21:26 hours), ideal for heavy users. | – |
| Battery Capacity | 1010 mAh larger (5410 vs 4400 mAh), ensuring longer usage between charges. | – |
| Display Sharpness | 42% higher pixel density (522 vs 368 PPI), giving crisper details and text. | – |
| Bluetooth | Newer version (v6.0) for better connectivity and efficiency. | – |
| Charging Speed | Supports 90W fast charging (vs 25W), much quicker top-ups. | – |
| Camera | Rear camera offers 4.3x optical zoom, great for distant shots. | – |
| Durability | IP68 waterproof rating, safer against dust and water. | – |
| Brightness | 14% higher peak brightness (1593 vs 1398 nits), easier to see in sunlight. | – |
| Video Features | Slow-motion recording up to 1920FPS for detailed motion capture. | – |
| Ergonomics | 67.9 mm narrower body, providing a better grip in the hand. | – |
| Extra Features | Built-in infrared port for remote-control functionality. | – |
| Screen Size | – | 1.27 inches larger display, more space for multitasking. |
| Software | – | Runs Android 16 (vs 15), giving access to newer features and longer support. |
Tests and specifications
Comparison table of technical specifications and tests
Display: Xiaomi 15 Ultra vs Samsung Galaxy Z Fold 7
| Feature | Xiaomi 15 Ultra | Samsung Galaxy Z Fold 7 | Description |
|---|---|---|---|
| Type | AMOLED | Dynamic AMOLED | Both use high-quality OLED technology. |
| Size | 6.73″ | 8″ | Fold 7 offers a much larger screen. |
| Resolution | 1440 × 3200 | 1968 × 2184 | Xiaomi has higher sharpness. |
| PPI | 522 | 368 | 15 Ultra delivers finer detail. |
| Refresh Rate | 120 Hz (1–120 Hz adaptive) | 120 Hz (1–120 Hz adaptive) | Smooth scrolling and gaming. |
| Brightness | 1600 nits (3200 HDR) | 1300 nits (2600 HDR) | Xiaomi is brighter, especially in HDR. |
| HDR | Dolby Vision | HDR10+ | Slight difference in HDR standards. |
| Touch Sampling | 300 Hz | – | Faster touch response on Xiaomi. |
| Protection | Xiaomi Shield Glass 2.0 | Gorilla Glass Ceramic 2 | Both use advanced protection. |
| Screen-to-body ratio | 90% | 90% | Nearly identical. |
| Extra | DC Dimming, AOD | AOD | Both support Always-On Display. |
| Tests | 99.7% RGB, PWM 120 Hz | 100% RGB, PWM 240 Hz | Fold 7 has higher PWM (less flicker). |
Design & Build: Xiaomi 15 Ultra vs Samsung Galaxy Z Fold 7
| Feature | Xiaomi 15 Ultra | Samsung Galaxy Z Fold 7 | Description |
|---|---|---|---|
| Dimensions | 161.3 × 75.3 × 9.35 mm | 158.4 × 143.2 × 4.2 mm | Fold is wider but thinner unfolded. |
| Weight | 226 g | 215 g | Fold is lighter. |
| Waterproof | IP68 | IP48 | Xiaomi offers stronger water protection. |
| Cooling | Vapor chamber | Vapor chamber | Both stay cool under load. |
| Materials | Glass back, metal frame | Glass back, metal frame | Premium build on both. |
| Colors | White, Black, Silver, Green | Black, Silver, Blue, Green | Similar variety. |
| Fingerprint | In-display | Side button | Different placement preference. |
Performance: Xiaomi 15 Ultra vs Samsung Galaxy Z Fold 7
| Feature | Xiaomi 15 Ultra | Samsung Galaxy Z Fold 7 | Description |
|---|---|---|---|
| Chipset | Snapdragon 8 Elite | Snapdragon 8 Elite | Same flagship SoC. |
| CPU | 8-core (4.32 GHz max) | 8-core (4.47 GHz max) | Fold slightly higher clocks. |
| GPU | Adreno 830 @1100 MHz | Adreno 830 @1200 MHz | Fold GPU clocks higher. |
| Geekbench (SC) | 3008 (+3%) | 2908 | Xiaomi leads single-core. |
| Geekbench (MC) | 9065 | 9452 (+4%) | Fold leads multi-core. |
| AnTuTu 10 | 2,544,373 | 2,605,734 (+2%) | Fold slightly higher. |
| Memory | 12 GB LPDDR5X | 12 GB LPDDR5X | Same. |
| Storage | 256 GB UFS 4.1 | 256 GB UFS 4.0 | Xiaomi has faster storage. |
Battery: Xiaomi 15 Ultra vs Samsung Galaxy Z Fold 7
| Feature | Xiaomi 15 Ultra | Samsung Galaxy Z Fold 7 | Description |
|---|---|---|---|
| Capacity | 5410 mAh | 4400 mAh | Xiaomi packs more power. |
| Charging | 90W wired / 80W wireless | 25W wired / 15W wireless | Xiaomi charges much faster. |
| Full Charge | 51 min | 1h 27 min | Xiaomi is quicker. |
| Life (avg) | 30:03 hr (+40%) | 21:26 hr | Xiaomi lasts longer. |
| Web | 12:19 hr | 6:57 hr | Nearly double on Xiaomi. |
| Video | 18:43 hr | 13:14 hr | Xiaomi again longer. |
| Gaming | 6:45 hr | 5:48 hr | Better endurance for gaming. |
Cameras: Xiaomi 15 Ultra vs Samsung Galaxy Z Fold 7
| Feature | Xiaomi 15 Ultra | Samsung Galaxy Z Fold 7 | Description |
|---|---|---|---|
| Main | 50 MP (Sony LYT-900) | 200 MP (Samsung ISOCELL HP2) | Fold has higher resolution, Xiaomi larger sensor. |
| Telephoto | 200 MP 4.3x | 10 MP 3x | Xiaomi wins zoom. |
| Ultra-wide | 50 MP | 12 MP | Xiaomi higher detail. |
| Slow motion | 1920 FPS (1080p) | 960 FPS (720p) | Xiaomi leads. |
| 8K video | 30 FPS | 30 FPS | Same. |
| 4K video | 120 FPS | 60 FPS | Xiaomi smoother at 4K. |
| Selfie | 32 MP (4K60) | 10 MP (4K60) + extra lens | Xiaomi sharper selfies. |
| DxOMark | 153 overall | n/a | Xiaomi tested higher. |
Connectivity: Xiaomi 15 Ultra vs Samsung Galaxy Z Fold 7
| Feature | Xiaomi 15 Ultra | Samsung Galaxy Z Fold 7 | Description |
|---|---|---|---|
| Wi-Fi | Wi-Fi 7 | Wi-Fi 7 | Latest standard. |
| Bluetooth | 6.0 | 5.4 | Xiaomi newer version. |
| USB | 3.2 Type-C + DP | 3.2 Type-C + DP | Same. |
| Infrared | Yes | No | Xiaomi can act as remote. |
| NFC | Yes | Yes | Both supported. |
Audio: Xiaomi 15 Ultra vs Samsung Galaxy Z Fold 7
| Feature | Xiaomi 15 Ultra | Samsung Galaxy Z Fold 7 | Description |
|---|---|---|---|
| Speakers | Stereo, 92.1 dB (+3%) | Stereo, 89.5 dB | Xiaomi louder. |
| Dolby Atmos | Yes | Yes | Both immersive audio. |
| Jack/FM | No | No | Neither supports headphone jack. |
Other: Xiaomi 15 Ultra vs Samsung Galaxy Z Fold 7
| Feature | Xiaomi 15 Ultra | Samsung Galaxy Z Fold 7 | Description |
|---|---|---|---|
| OS | Android 15, HyperOS 2.0 | Android 16, One UI 8 | Fold has newer OS. |
| Price (launch) | $1099 | $1999 | Xiaomi far cheaper. |
| Charger in box | 90W | Not included | Xiaomi bundles fast charger. |
| Release | Feb 2025 | Jul 2025 | Fold launches later. |
FAQs: Xiaomi 15 Ultra vs Samsung Galaxy Z Fold 7
1. Which phone has the better display?
- The Galaxy Z Fold 7 offers a much larger 8-inch foldable Dynamic AMOLED screen, ideal for multitasking and productivity.
- The Xiaomi 15 Ultra has a smaller but sharper 6.73-inch AMOLED panel with higher pixel density (522 PPI vs 368 PPI) and brighter HDR performance (3200 nits vs 2600 nits).
2. Which one lasts longer on battery?
- The Xiaomi 15 Ultra clearly wins with a 5410 mAh silicon-carbon battery, 90W charging, and up to 40% longer endurance.
- The Galaxy Z Fold 7 has a 4400 mAh battery with 25W charging but shorter life.
3. Which phone charges faster?
- Xiaomi 15 Ultra: 90W wired (full in 51 mins), 80W wireless.
- Galaxy Z Fold 7: 25W wired (full in 87 mins), 15W wireless.
4. Which phone has the better cameras?
- Xiaomi 15 Ultra: Balanced system with larger sensors, 4.3x optical zoom, 1920 FPS slow-motion, and DxOMark score of 153.
- Galaxy Z Fold 7: Impressive 200 MP main sensor, but weaker zoom and ultrawide compared to Xiaomi.
5. Which is more durable?
- Xiaomi: IP68 rating (better water resistance).
- Samsung: IP48 (less protection, but thinner due to foldable design).
6. Which has better performance?
- Both use the Snapdragon 8 Elite chipset.
- Xiaomi leads in single-core performance.
- Samsung leads in multi-core and GPU benchmarks.
7. Which phone is more portable?
- The Galaxy Z Fold 7 is thinner (4.2 mm unfolded) but much wider.
- The Xiaomi 15 Ultra is narrower and more ergonomic, easier to hold with one hand.
8. Which phone is more affordable?
- Xiaomi 15 Ultra: $1099 launch price (includes 90W charger).
- Galaxy Z Fold 7: $1999 launch price (charger not included).
9. Which phone has newer software?
- Xiaomi ships with Android 15 + HyperOS 2.0.
- Samsung ships with Android 16 + One UI 8, giving it an edge in updates.
10. Who should buy which phone?
- Xiaomi 15 Ultra: Best for users who value battery life, charging speed, camera versatility, and affordability.
- Samsung Galaxy Z Fold 7: Best for users who want a foldable experience, a massive display, and the latest Android version.
