Samsung Galaxy S25 Ultra vs OnePlus 15
Here we compared two flagship smartphones: the 6.9-inch Samsung Galaxy S25 Ultra (with Qualcomm Snapdragon 8 Elite) that was released on January 22, 2025, against the OnePlus 15, which is powered by Qualcomm Snapdragon 8 Elite Gen 5 and came out 9 months after. 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 Samsung Galaxy S25 Ultra
- The rear camera has a 5x optical zoom
- 11% higher pixel density (498 vs 450 PPI)
- Supports Dolby Atmos sound technology
Reasons to consider the OnePlus 15
- Delivers 138% higher peak brightness (3398 against 1428 nits)
- Comes with 2300 mAh larger battery capacity: 7300 vs 5000 mAh
- Shows 37% longer battery life (39:14 vs 28:43 hours)
- Higher display refresh rate – 165 Hz
- Newer Bluetooth version (v6.0)
- Supports higher wattage charging (120W versus 45W)
- Waterproof body (IP69 classification)
- 28% better performance in AnTuTu Benchmark (4008K versus 3128K)
- Slow-motion recording at 480FPS
- Has 2 SIM card slots
- Has a built-in infrared port
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 | Dynamic AMOLED | AMOLED |
| Size | 6.9 inches | 6.78 inches |
| Resolution | 1440 x 3120 pixels | 1272 x 2772 pixels |
| Aspect ratio | 19.5:9 | 19.5:9 |
| PPI | 498 ppi | 450 ppi |
| Refresh rate | 120 Hz | 165 Hz |
| Adaptive refresh rate | Yes (1-120 Hz) | Yes (1-120 Hz) |
| Max rated brightness | - | 1800 nits |
| Max rated brightness in HDR | 2600 nits | 6000 nits |
| HDR support | Yes, HDR10+ | Yes, Dolby Vision |
| Touch sampling rate | 240 Hz | 330 Hz |
| Screen protection | Corning Gorilla Armor 2 | Gorilla Glass Victus 2 |
| Screen-to-body ratio | 92.4% | 91.2% |
| Display features | - DCI-P3 - Always-On Display - DC Dimming |
- DCI-P3 - Always-On Display - DC Dimming |
| RGB color space | 97.7% | 99.9% |
| PWM | 240 Hz | 120 Hz |
| Response time | 1 ms | 3 ms |
| Contrast | ∞ Infinity | ∞ Infinity |
Peak brightness test (auto)
Design and build
| Height | 162.8 mm (6.41 inches) | 161.42 mm (6.36 inches) |
| Width | 77.6 mm (3.06 inches) | 76.67 mm (3.02 inches) |
| Thickness | 8.2 mm (0.32 inches) | 8.1 mm (0.32 inches) |
| Weight | 218 g (7.69 oz) | 211 g (7.44 oz) |
| Waterproof | IP68 | IP69 |
| Advanced cooling | Vapor chamber | Vapor chamber |
| Rear material | Glass | Glass |
| Frame material | Metal | Metal |
| Colors | Black, Silver, Gray, Blue | Black, Gold, Purple |
| Fingerprint scanner | Yes, in-display | Yes, in-display |
| Repairability | Good (3.23/5) | Good (3.69/5) |
| Drop resistance | Excellent (A) · 270 drops | Good (C) · 90 drops |
Screen-to-body ratio
Performance
| Chipset | Qualcomm Snapdragon 8 Elite | Qualcomm Snapdragon 8 Elite Gen 5 |
| Max clock | 4470 MHz | 4600 MHz |
| CPU cores | 8 (2 + 6) | 8 (2 + 6) |
| Architecture | - 6 cores at 3.53 GHz: Oryon (Phoenix M) - 2 cores at 4.32 GHz: Oryon (Phoenix L) |
- 6 cores at 3.63 GHz: Oryon Gen 3 Performance - 2 cores at 4.74 GHz: Oryon Gen 3 Prime |
| L3 cache | 8 MB | 12 MB |
| Manufacturing | TSMC | TSMC |
| Lithography process | 3 nanometers | 3 nanometers |
| Neural processor (NPU) | Hexagon | Hexagon |
| Graphics | Adreno 830 | Adreno 840 |
| GPU shading units | 1536 | 1536 |
| GPU clock | 1100 MHz | 1300 MHz |
| FLOPS | ~3379.2 GFLOPS | ~3993.6 GFLOPS |
Benchmarks
Geekbench 6 (Single-Core)
Geekbench 6 (Multi-Core)
Compute Score (GPU)
| Compute Score (GPU) | 26581 | 24461 |
| Single-core score | 3202 | 3607 |
| Multi-core score | 10347 | 10732 |
AnTuTu Benchmark 11
| CPU | 987646 | 1184036 |
| GPU | 1190760 | 1490867 |
| Memory | 362214 | 402813 |
| UX | 587932 | 930578 |
| Total score | 3128552 | 4008294 |
| Samples | [66 tests] | [45 tests] |
3DMark Steel Nomad Light
| Stability | 61% | 78% |
| Graphics test | 17 FPS | 20 FPS |
| Graphics score | 2272 | 2699 |
3DMark Solar Bay
| Graphics test | 40 FPS | 48 FPS |
| Section 1 | 50 FPS | 56 FPS |
| Section 2 | 40 FPS | 47 FPS |
| Section 3 | 29 FPS | 39 FPS |
| Graphics score | 10441 | 12540 |
3DMark Wild Life Extreme
| Stability | 56% | - |
| Graphics test | 34 FPS | - |
| Graphics score | 5827 | - |
PCMark 3.0
| Web score | 21582 | 15531 |
| Video editing | 8625 | 6678 |
| Photo editing | 34425 | 26644 |
| Data manipulation | 17556 | 14971 |
| Writing score | 26844 | 20874 |
AnTuTu 11 Ranking List (73rd and 16th place)
Recent User Tests
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 | 3034536 |
| 📘 2026-08-23 (Apple Slayer) | AnTuTu | 3254557 |
| 📘 2026-08-08 (Minh Tùng) | AnTuTu | 2954951 |
OnePlus 15
| Date | Benchmark | Result |
|---|---|---|
| 📘 2026-09-05 (Mehdi) | AnTuTu | 3651261 |
| 📘 2026-08-24 -> Ang3L4D | AnTuTu | 4057387 |
| 📘 2026-08-15 (YurOk) | AnTuTu | 3870500 |
| 📘 2026-08-07 (@zokhidjonovch) | AnTuTu | 4470263 |
| 📘 2026-07-31 (@zokhidjonovch) | AnTuTu | 4177816 |
Memory
| RAM size | 12 GB | 12 GB |
| Memory type | LPDDR5X | LPDDR5X |
| Memory clock | 5300 MHz | 5333 MHz |
| Channels | 4 | 4 |
| Storage size | 256 GB | 256 GB |
| Storage type | UFS 4.0 | UFS 4.1 |
| Memory card | No | No |
Software
| Operating system | Android 15 (Can be upgraded to Android 16) | Android 16 |
| ROM | One UI 8.0 | OxygenOS 16 |
| OS size | 30.4 GB | 26 GB |
| OS updates | 7 years | 4 years |
| Security updates | 7 years | 6 years |
Battery
| Capacity | 5000 mAh | 7300 mAh |
| Max charge power | 45 W | 120 W |
| Battery type | Li-Ion | Silicon-Carbon (Si/C) |
| Replaceable | No | No |
| Wireless charging | Yes (25 W) | Yes (50 W) |
| Reverse charging | Yes, (wireless) | Yes, (wireless) |
| Bypass charging | Yes | Yes |
| Fast charging | Yes (72% in 30 min) | Yes (50% in 15 min) |
| Full charging time | 0:59 hr | 0:43 hr |
| Battery cycles | 2000 cycles | 1100 cycles |
| Web browsing | 11:10 hr | 18:32 hr |
| Watching video | 19:32 hr | 28:44 hr |
| Gaming | 06:22 hr | 10:01 hr |
| Standby | 132 hr | 139 hr |
General battery life
Smartphones With Long Battery Life (68th and 5th place)
Main camera
| Matrix | 200 megapixels | 50 megapixels |
| Image resolution | 16320 x 12240 | 8192 x 6144 |
| Zoom | Optical, 5x | Optical, 3.5x |
| Flash | LED | Dual LED |
| Stabilization | Optical | Optical |
| 8K video recording | Up to 30FPS | Up to 30FPS |
| 4K video recording | Up to 120FPS | Up to 120FPS |
| 1080p video recording | Up to 240FPS | Up to 120FPS |
| Slow motion | 240 FPS (1080p) | 480 FPS (720p) |
| Angle of widest lens | 120° | 116° |
| Lenses | 1) Standard: 200 MP 2) Telephoto: 50 MP 3) Telephoto: 10 MP 4) Ultrawide: 50 MP |
1) Standard: 50 MP 2) Telephoto: 50 MP 3) Ultrawide: 50 MP |
| Camera features | - Bokeh mode - Pro mode - RAW support |
- Bokeh mode - Pro mode - RAW support |
| Image resolution | 200 MP | 50 MP |
| Aperture | f/1.7 | f/1.8 |
| Focal length | 23 mm | 24 mm |
| Sensor | Samsung ISOCELL S5KHP2 | Sony IMX906 |
| Sensor size | 1/1.3" (≈ 0.77 inch) | 1/1.56" (≈ 0.64 inch) |
| Pixel size | 0.6 micron | 1 micron |
| Autofocus | Laser autofocus | Phase autofocus |
| Stabilization | Optical | Optical |
| Image resolution | 50 MP | 50 MP |
| Aperture | f/3.4 | f/2.8 |
| Focal length | 111 mm | 85 mm |
| Sensor | Sony IMX854 | Samsung S5KJN5 |
| Sensor size | 1/2.52" (≈ 0.4 inch) | 1/2.76" (≈ 0.36 inch) |
| Pixel size | 0.7 micron | 0.64 micron |
| Stabilization | Optical | Optical |
| Image resolution | 50 MP | 50 MP |
| Aperture | f/1.9 | f/2.0 |
| Focal length | 13 mm | 16 mm |
| Sensor | Samsung ISOCELL S5KJN3 | OmniVision OV50D |
| Sensor size | 1/2.5" (≈ 0.4 inch) | 1/2.88" (≈ 0.35 inch) |
| Pixel size | 0.7 micron | 0.612 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 | 12 megapixels | 32 megapixels |
| Image resolution | 4000 x 3000 | 6560 x 4928 |
| Aperture | f/2.2 | f/2.4 |
| Focal length | 26 mm | 21 mm |
| Sensor | Samsung S5K3LU | Sony IMX709 |
| Sensor size | 1/3.2" (≈ 0.31 inch) | 1/2.74" (≈ 0.36 inch) |
| Pixel size | 1.12 micron | 0.64 micron |
| Autofocus | Phase autofocus (Dual Pixel) | Phase autofocus |
| 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 | 6.0 |
| 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, DP 1.2 | Yes |
| GPS | GPS, GLONASS, Beidou, Galileo, QZSS | GPS, GLONASS, Beidou, Galileo, QZSS, NAVIC |
| NFC* | Yes | Yes |
| Infrared port | No | Yes |
| Number of SIM* | 1 | 2 |
| Type of SIM card | Nano | Nano |
| Multi SIM mode | Standby | Standby |
| eSIM support* | Yes | 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 | No |
Speakers test
Max loudness
Other
| Category | Flagship | Flagship |
| Announced | January 2025 | October 2025 |
| Release date | February 2025 | October 2025 |
| Launch price (MSRP) | $1299 | $899 |
| Successor | - Samsung Galaxy S26 Ultra | - |
| SAR (head) | 1.25 W/kg | - |
| SAR (body) | 1.42 W/kg | - |
| Sensors | - Hall-effect sensor - Barometer - Proximity sensor - Gyroscope - Accelerometer - Ambient light sensor - Compass - Fingerprint |
- Hall-effect sensor - Proximity sensor - Gyroscope - Accelerometer - Ambient light sensor - Compass - Fingerprint |
| Bundled charger | Not included | 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 gaming, battery life, and connectivity are more important to you, then choose the OnePlus 15. But if the sound is more of a priority – go for the Samsung Galaxy S25 Ultra.
Cast your vote
Total votes: 1025
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