OnePlus 15 VS Samsung Galaxy S25 Ultra
We are comparing the OnePlus 15 (OnePlus) with the Samsung Galaxy S25 Ultra (Samsung). Scroll down to the pros and cons of each phone, in-depth specs, and performance highlights.
Overall Comparison
KEY DIFFERENCES OF OnePlus 15 AND Samsung Galaxy S25 Ultra
Here’s how OnePlus 15 and Samsung Galaxy S25 Ultra stack up against each other in their most impactful areas.
Reasons to consider the OnePlus 15
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38% smoother display (165 Hz vs 120 Hz)
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46% larger battery (7300 mAh vs 5000 mAh)
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11% higher AnTuTu v11 score (3677810 vs 3326148)
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18% higher single-core Geekbench score (3716 vs 3145)
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Higher Selfie Camera Resolution of 32 MP
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12% higher multi-core Geekbench score (11062 vs 9864)
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167% faster charging (120 W vs 45 W)
Reasons to consider the Samsung Galaxy S25 Ultra
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Superior display technology (Dynamic LTPO AMOLED 2X)
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Higher Main Camera Resolution of 200 MP
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Higher resolution (1440×3120)
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44% brighter (2600 nits vs 1800 nits)
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2% larger display (6.9 inches vs 6.78 inches)
SPECIFICATION TABLE COMPARISON OF OnePlus 15 AND Samsung Galaxy S25 Ultra
Below is the detailed specification table comparing OnePlus 15 and Samsung Galaxy S25 Ultra.
Note: Highlighted specs mean that Phone wins that spec row.
If neither side is highlighted, it is a tie or there is not enough data for both specs.
| Specification | OnePlus 15 | Samsung Galaxy S25 Ultra |
|---|---|---|
|
General Information
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| Brand: | OnePlus | Samsung |
| Release Date: | October 27, 2025 | February 3, 2025 |
| Mobile SoC: | Snapdragon 8 Elite Gen 5 | Snapdragon 8 Elite |
| GPU: | Adreno 840 | Adreno 830 |
| Operating System: | Android 16 | Android 15 |
| Weight: | 211g | 218g |
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Display
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| Display Size: | 6.78 inches | 6.9 inches |
| Display Resolution: | 1272×2772 | 1440×3120 |
| Display Pixels Per Inch: | 450 | 498 |
| Display Technology: | LTPO AMOLED | Dynamic LTPO AMOLED 2X |
| Display Refresh Rate: | 165 | 120 |
| Display Brightness: | 1800 nits | 2600 nits |
|
Camera
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| Main Camera Setup: | Triple Camera | Quad Camera |
| Main Camera: | 50 MP | 200 MP |
| Main Camera Features: | OIS, periscope telephoto, DetailMax processing, AI enhancements | LOG Video, ProVisual Engine, Laser autofocus, Quad Tele System |
| Main Camera Video: | 8K at 30fps, 4K at 30/60/120fps, 1080p at 30/60fps | 8K at 30fps, 4K at 30/60fps, 1080p at 30/60fps |
| Selfie Camera: | 32 MP | 12 MP |
| Selfie Camera Video: | 4K at 30/60fps, 1080p at 30/60fps | 4K at 30/60fps, 1080p at 30/60fps |
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Standard Lens
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| Megapixels | 50 MP | 200 MP |
| Aperture | f/1.8 | f/1.7 |
| Focal Length | 24 mm | 23 mm |
| Sensor | Sony IMX906 | Samsung ISOCELL S5KHP2 |
| Sensor Size | 1/1.56" | 1/1.3" |
| Pixel Size | 1 micron | 0.6 micron |
| Autofocus | Phase autofocus | Laser autofocus |
| Stabilization | Optical | Optical |
|
Telephoto Lens
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| Megapixels | 50 MP | 50 MP |
| Aperture | f/2.8 | f/3.4 |
| Focal Length | 85 mm | 111 mm |
| Sensor | Samsung S5KJN5 | Sony IMX854 |
| Sensor Size | 1/2.76" | 1/2.52" |
| Pixel Size | 0.64 micron | 0.7 micron |
| Stabilization | Optical | Optical |
|
Ultra-wide Lens
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| Megapixels | 50 MP | 50 MP |
| Aperture | f/2.0 | f/1.9 |
| Focal Length | 16 mm | 13 mm |
| Sensor | OmniVision OV50D | Samsung ISOCELL S5KJN3 |
| Sensor Size | 1/2.88" | 1/2.5" |
| Pixel Size | 0.612 micron | 0.7 micron |
| Stabilization | Digital | Digital |
|
Selfie Lens
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| Megapixels | 32 MP | 12 MP |
| Image Resolution | 6560 x 4928 | 4000 x 3000 |
| Aperture | f/2.4 | f/2.2 |
| Focal Length | 21 mm | 26 mm |
| Sensor | Sony IMX709 | Samsung S5K3LU |
| Sensor Size | 1/2.74" | 1/3.2" |
| Pixel Size | 0.64 micron | 1.12 micron |
| Autofocus | Phase autofocus | Phase autofocus (Dual Pixel) |
| Stabilization | Digital | Digital |
|
Battery & Charging
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| Battery Capacity: | 7300 mAh | 5000 mAh |
| Battery Life (in hours tested): | 30 | 31 |
| Battery Type: | Si-C Li-Ion | Li-Ion |
| Charging Speed: | 120W | 45W |
| Wireless Charging: |
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Performance
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| RAM: | 16 GB, 12 GB | 16 GB, 12 GB |
| Storage: | 1 TB, 512 GB, 256 GB | 1 TB, 512 GB, 256 GB |
| DxOMark Score: | — | 151 |
|
GEEKBENCH V6
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| Single-Core (V6) | 3716 | 3145 |
| Multi-Core (V6) | 11062 | 9864 |
|
ANTUTU SCORE
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| Overall (AnTuTu V11) | 3677810 | 3326148 |
| CPU | 1129775 | 1090904 |
| GPU | 1319203 | 1225203 |
| MEM | 428136 | 378840 |
| UX | 800696 | 631201 |
| Overall (AnTuTu V10) | 3690929 | 2731492 |
| CPU | 1073348 | 655716 |
| GPU | 1388825 | 1211975 |
| MEM | 445438 | 472645 |
| UX | 783318 | 391156 |
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Connectivity
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| Network Technology: | 5G | 5G |
| SIM Type: | Dual Sim | Dual Sim |
| Wi-Fi: |
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| Bluetooth: |
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| GPS: |
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| NFC: |
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| USB: | USB Type-C | USB Type-C |
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Extras & Build
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| Fingerprint Sensor: |
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| Fingerprint Sensor Type: | Under Display | Under Display |
| Water Resistance: |
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| Speaker: | Stereo Speakers | Stereo Speakers |
Tip: ▲ indicates a higher-is-better spec advantage, while ▼ indicates a lower-is-better advantage.
PERFORMANCE CHART COMPARISON OF OnePlus 15 AND Samsung Galaxy S25 Ultra
The charts below visualize how OnePlus 15 and Samsung Galaxy S25 Ultra stack up in key performance metrics.
Radar Chart Comparison
Bullet Chart Comparison
SCREEN SIZE COMPARISON OF OnePlus 15 AND Samsung Galaxy S25 Ultra
Here’s a proportional visualization of the OnePlus 15’s 6.78 inches screen compared to the Samsung Galaxy S25 Ultra’s 6.9 inches display.
OnePlus 15
6.78 inches″
Samsung Galaxy S25 Ultra
6.9 inches″
Release Timeline of OnePlus 15 and Samsung Galaxy S25 Ultra
Samsung Galaxy S25 Ultra was released 8 months, 24 days earlier than OnePlus 15.
Value For Money Calculator
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Domain Score Summary
Scores are generated by Comparigon's scoring algorithm and are intended as a high-level guide. They may not map 1-to-1 with the individual spec-by-spec comparisons shown in the table.
Our Verdict
In conclusion, this is a close match and neither phone clearly wins overall. OnePlus 15 is stronger in Performance and Battery. Samsung Galaxy S25 Ultra is stronger in Camera and Display. Pick based on what you value most day to day.
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Disclaimer: Specs, pricing, and benchmarks are sourced from official manufacturer data and verified test results. While we strive for precision, product details and pricing may change. Comparigon may earn an affiliate commission on qualifying purchases.