Xiaomi 15S Pro vs Samsung Galaxy S25 Ultra
90
out of 100
VS
87
out of 100
Here we compared two flagship smartphones: the 6.73-inch Xiaomi 15S Pro (with Xiaomi Xring O1) that was released on May 22, 2025, against the Samsung Galaxy S25 Ultra, which is powered by Qualcomm Snapdragon 8 Elite and came out 4 months before. On this page, you will find tests, full specs, strengths, and weaknesses of each of the devices.
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Key differences
Reasons to consider the Xiaomi 15S Pro
- Comes with 1100 mAh larger battery capacity: 6100 vs 5000 mAh
- Has 33% more RAM: 16GB versus 12GB
- Supports higher wattage charging (90W versus 45W)
- Slow-motion recording at 960FPS
- Has 2 SIM card slots
- Faster storage type - UFS 4.1 versus UFS 4.0
- CPU with a higher amount of cores (+2)
- Has a built-in infrared port
Reasons to consider the Samsung Galaxy S25 Ultra
- Delivers 50% higher peak brightness (1417 against 946 nits)
- 10% faster in single-core GeekBench 6 test: 3202 and 2915 points
- Ready for eSIM technology
Review
Display
Screen quality, color accuracy, brightness
Camera
Photo and video recording quality
Performance
CPU and memory performance (apps, system)
Gaming
Capabilities for playing modern games
Battery
Battery life, charging type and speed
Connectivity
Networks, ports, data transmission
Scores with a red asterisk (*) are approximate and may change in the future as we gather more data.
Select your primary usage scenario to get a more accurate NanoReview Score
Value for money (Beta)
Tests and specifications
Comparison table of technical specifications and testsDisplay
| Type | AMOLED | Dynamic AMOLED |
| Size | 6.73 inches | 6.9 inches |
| Resolution | 1440 x 3200 pixels | 1440 x 3120 pixels |
| Aspect ratio | 20:9 | 19.5:9 |
| PPI | 521 ppi | 498 ppi |
| Refresh rate | 120 Hz | 120 Hz |
| Adaptive refresh rate | Yes (1-120 Hz) | Yes (1-120 Hz) |
| Max rated brightness | 900 nits | - |
| Max rated brightness in HDR | 3200 nits | 2600 nits |
| HDR support | Yes, Dolby Vision | Yes, HDR10+ |
| Touch sampling rate | 300 Hz | 240 Hz |
| Screen protection | Shatterproof glass | Corning Gorilla Armor 2 |
| Screen-to-body ratio | 90% | 92.4% |
| Display features | - DCI-P3 - Always-On Display - DC Dimming |
- DCI-P3 - Always-On Display - DC Dimming |
| RGB color space | 99.3% | 97.7% |
| PWM | 91 Hz | 240 Hz |
| Response time | 1 ms | 1 ms |
| Contrast | ∞ Infinity | ∞ Infinity |
Peak brightness test (auto)
Design and build
| Height | 161.3 mm (6.35 inches) | 162.8 mm (6.41 inches) |
| Width | 75.3 mm (2.96 inches) | 77.6 mm (3.06 inches) |
| Thickness | 8.33 mm (0.33 inches) | 8.2 mm (0.32 inches) |
| Weight | 216 g (7.62 oz) | 218 g (7.69 oz) |
| Waterproof | IP68 | IP68 |
| Advanced cooling | Vapor chamber | Vapor chamber |
| Rear material | Glass | Glass |
| Frame material | Metal | Metal |
| Colors | Black, Blue | Black, Silver, Gray, Blue |
| Fingerprint scanner | Yes, in-display | Yes, in-display |
| Repairability | - | Good (3.23/5) |
| Drop resistance | - | Excellent (A) · 270 drops |
Screen-to-body ratio
Performance
| Chipset | Xiaomi Xring O1 | Qualcomm Snapdragon 8 Elite |
| Max clock | 3900 MHz | 4470 MHz |
| CPU cores | 10 (2 + 4 + 2 + 2) | 8 (2 + 6) |
| Architecture | - 2 cores at 1.8 GHz: Cortex-A520 - 2 cores at 1.9 GHz: Cortex-A725 - 4 cores at 3.4 GHz: Cortex-A725 - 2 cores at 3.9 GHz: Cortex-X925 |
- 6 cores at 3.53 GHz: Oryon (Phoenix M) - 2 cores at 4.32 GHz: Oryon (Phoenix L) |
| L3 cache | - | 8 MB |
| Manufacturing | TSMC | TSMC |
| Lithography process | 3 nanometers | 3 nanometers |
| Neural processor (NPU) | Yes | Hexagon |
| Graphics | Mali-G925 Immortalis MP16 | Adreno 830 |
| GPU shading units | 2048 | 1536 |
| GPU clock | 1392 MHz | 1100 MHz |
| FLOPS | ~5701.6 GFLOPS | ~3379.2 GFLOPS |
Benchmarks
Geekbench 6 (Single-Core)
Geekbench 6 (Multi-Core)
Compute Score (GPU)
| Compute Score (GPU) | 21731 | 26581 |
| Single-core score | 2915 | 3202 |
| Multi-core score | 9082 | 10347 |
AnTuTu Benchmark 11
| CPU | 956780 | 987646 |
| GPU | 1006500 | 1190760 |
| Memory | 409347 | 362214 |
| UX | 626277 | 587932 |
| Total score | 2998904 | 3128552 |
| Samples | Less than 3 | [66 tests] |
3DMark Steel Nomad Light
| Stability | 80% | 61% |
| Graphics test | 17 FPS | 17 FPS |
| Graphics score | 2234 | 2272 |
3DMark Solar Bay
| Graphics test | 33 FPS | 40 FPS |
| Section 1 | 35 FPS | 50 FPS |
| Section 2 | 33 FPS | 40 FPS |
| Section 3 | 30 FPS | 29 FPS |
| Graphics score | 8670 | 10441 |
3DMark Wild Life Extreme
| Stability | - | 56% |
| Graphics test | 34 FPS | 34 FPS |
| Graphics score | 5832 | 5827 |
PCMark 3.0
| Web score | 14260 | 21582 |
| Video editing | 6497 | 8625 |
| Photo editing | 28788 | 34425 |
| Data manipulation | 16894 | 17556 |
| Writing score | 17737 | 26844 |
AnTuTu 11 Ranking List (110th and 82nd place)
Recent User Tests
Xiaomi 15S Pro
| Date | Benchmark | Result |
|---|---|---|
| 📘 2026-01-07 (Anvarkhan) | AnTuTu 11 | 2998904 |
Samsung Galaxy S25 Ultra
| Date | Benchmark | Result |
|---|---|---|
| 📘 2026-09-06 (Trexsotiy) | Battery life | SOT 12:30 / 03:16 |
| 📘 2026-09-02 -> Mohamed_136 | Battery life | SOT 8:02 / 17:11 |
| 📘 2026-08-29 (PaWK) | AnTuTu 11 | 3034536 |
| 📘 2026-08-23 (Apple Slayer) | AnTuTu 11 | 3254557 |
| 📘 2026-08-08 (Minh Tùng) | AnTuTu 11 | 2954951 |
Memory
| RAM size | 16 GB | 12 GB |
| Memory type | LPDDR5X | LPDDR5X |
| Memory clock | 4800 MHz | 5300 MHz |
| Channels | 4 | 4 |
| Storage size | 512 GB | 256 GB |
| Storage type | UFS 4.1 | UFS 4.0 |
| Memory card | No | No |
Software
| Operating system | Android 15 (Can be upgraded to Android 16) | Android 15 (Can be upgraded to Android 16) |
| ROM | HyperOS 3 | One UI 8.0 |
| OS size | 33 GB | 30.4 GB |
| OS updates | 4 years | 7 years |
| Security updates | 7 years | 7 years |
Battery
| Capacity | 6100 mAh | 5000 mAh |
| Max charge power | 90 W | 45 W |
| Battery type | Silicon-Carbon (Si/C) | Li-Ion |
| Replaceable | No | No |
| Wireless charging | Yes (50 W) | Yes (25 W) |
| Reverse charging | Yes, (wireless) | Yes, (wireless) |
| Bypass charging | No | Yes |
| Fast charging | Yes (50% in 20 min) | Yes (72% in 30 min) |
| Full charging time | 0:55 hr | 0:59 hr |
| Battery cycles | - | 2000 cycles |
| Web browsing | - | 11:10 hr |
| Watching video | - | 19:32 hr |
| Gaming | - | 06:22 hr |
| Standby | - | 132 hr |
General battery life
Smartphones With Long Battery Life (#69th place)
Main camera
| Matrix | 50 megapixels | 200 megapixels |
| Image resolution | 8192 x 6144 | 16320 x 12240 |
| Zoom | Optical, 5x | Optical, 5x |
| Flash | Dual LED | LED |
| Stabilization | Optical | Optical |
| 8K video recording | Up to 24FPS | Up to 30FPS |
| 4K video recording | Up to 120FPS | Up to 120FPS |
| 1080p video recording | Up to 240FPS | Up to 240FPS |
| Slow motion | 960 FPS (1080p) | 240 FPS (1080p) |
| Angle of widest lens | 115° | 120° |
| Lenses | 1) Standard: 50 MP 2) Telephoto: 50 MP 3) Ultrawide: 50 MP |
1) Standard: 200 MP 2) Telephoto: 50 MP 3) Telephoto: 10 MP 4) Ultrawide: 50 MP |
| Camera features | - Bokeh mode - Pro mode - RAW support |
- Bokeh mode - Pro mode - RAW support |
| Image resolution | 50 MP | 200 MP |
| Aperture | f/1.4 | f/1.7 |
| Focal length | 23 mm | 23 mm |
| Sensor | Omnivision OVX9000 | Samsung ISOCELL S5KHP2 |
| Sensor size | 1/1.31" (≈ 0.76 inch) | 1/1.3" (≈ 0.77 inch) |
| Pixel size | 1.2 micron | 0.6 micron |
| Autofocus | Phase autofocus (Dual Pixel) | Laser autofocus |
| Stabilization | Optical | Optical |
| Image resolution | 50 MP | 50 MP |
| Aperture | f/2.5 | f/3.4 |
| Focal length | 120 mm | 111 mm |
| Sensor | Sony IMX858 | Sony IMX854 |
| Sensor size | 1/2.51" (≈ 0.4 inch) | 1/2.52" (≈ 0.4 inch) |
| Pixel size | 0.64 micron | 0.7 micron |
| Stabilization | Optical | Optical |
| Image resolution | 50 MP | 50 MP |
| Aperture | f/2.2 | f/1.9 |
| Focal length | 14 mm | 13 mm |
| Sensor | Samsung S5KJN1 | Samsung ISOCELL S5KJN3 |
| Sensor size | 1/2.76" (≈ 0.36 inch) | 1/2.5" (≈ 0.4 inch) |
| Pixel size | 0.64 micron | 0.7 micron |
| Stabilization | Digital | Digital |
DxOMark main camera tests
Photo quality
Video quality
Generic main camera score
| Bokeh | - | 165 |
| Preview | - | 81 |
| Zoom | - | 137 |
| Samples | - | Photo samples of Samsung Galaxy S25 Ultra from DxOMark |
Selfie camera
| Megapixels | 32 megapixels | 12 megapixels |
| Image resolution | 6528 x 4896 | 4000 x 3000 |
| Aperture | f/2.0 | f/2.2 |
| Focal length | 22 mm | 26 mm |
| Sensor | Omnivision OV32B | Samsung S5K3LU |
| Sensor size | 1/3" (≈ 0.33 inch) | 1/3.2" (≈ 0.31 inch) |
| Pixel size | 0.7 micron | 1.12 micron |
| Autofocus | Phase autofocus | Phase autofocus (Dual Pixel) |
| Stabilization | Digital | Digital |
| Video resolution | 2160p (4K) at 60 FPS | 2160p (4K) at 60 FPS |
| Depth sensor (TOF 3D) | No | No |
Connectivity
| Wi-Fi standard | Wi-Fi 7 (802.11 a/b/g/n/ac/ax/be) | Wi-Fi 7 (802.11 a/b/g/n/ac/ax/be) |
| Wi-Fi features | - Dual Band - Wi-Fi MiMO - Wi-Fi Direct - Wi-Fi Hotspot - Wi-Fi Display |
- Dual Band - Wi-Fi MiMO - Wi-Fi Direct - Wi-Fi Hotspot - Wi-Fi Display |
| Bluetooth version | 5.4 | 5.4 |
| Bluetooth features | LE | LE |
| USB type | USB Type-C | USB Type-C |
| USB version | 3.2 | 3.2 |
| USB features | - Charging - USB-Storage mode - OTG |
- Charging - USB-Storage mode - OTG |
| DisplayPort | Yes | Yes, DP 1.2 |
| GPS | GPS, GLONASS, Beidou, Galileo, QZSS | GPS, GLONASS, Beidou, Galileo, QZSS |
| NFC* | Yes | Yes |
| Infrared port | Yes | No |
| Number of SIM* | 2 | 1 |
| Type of SIM card | Nano | Nano |
| Multi SIM mode | Standby | Standby |
| eSIM support* | No | Yes |
| Hybrid slot | No | No |
| 5G support | Yes | Yes |
Sound
| Speakers | Stereo | Stereo |
| Headphone audio jack | No | No |
| FM radio | No | No |
| Dolby Atmos | Yes | Yes |
Speakers test
Max loudness
Other
| Category | Flagship | Flagship |
| Announced | May 2025 | January 2025 |
| Release date | May 2025 | February 2025 |
| Launch price (MSRP) | $1100 | $1299 |
| Successor | - | - Samsung Galaxy S26 Ultra |
| SAR (head) | - | 1.25 W/kg |
| SAR (body) | - | 1.42 W/kg |
| Sensors | - Proximity sensor - Gyroscope - Accelerometer - Ambient light sensor - Compass - Fingerprint |
- Hall-effect sensor - Barometer - Proximity sensor - Gyroscope - Accelerometer - Ambient light sensor - Compass - Fingerprint |
| Bundled charger | Yes, 90 W | Not included |
Further details
Notes on Galaxy S25 Ultra:
- Supports up to 2 eSIMs. The international model has 2 physical SIM slots, while the U.S. version has 1.
- Uses Grade 5 titanium and Corning Gorilla Armor 2 glass on both sides.
*Disclaimer! NFC, GSM network support, and some other specs can be different depending on the country.
Conclusion
If the camera and battery life are more important to you, then choose the Xiaomi 15S Pro. But if the gaming is more of a priority – go for the Samsung Galaxy S25 Ultra.
Cast your vote
Total votes: 117