OnePlus 15 vs Samsung Galaxy S25 Ultra
OnePlus 15 comes out ahead overall, scoring 55% to 45% across the categories compared — particularly battery capacity (7300 mAh vs 5000 mAh).
OnePlus 15 scored 55%, Samsung Galaxy S25 Ultra scored 45%.
OnePlus 15 is priced around $785, Samsung Galaxy S25 Ultra around $699.
How OnePlus 15 and Samsung Galaxy S25 Ultra Rank
OnePlus 15
Snapdragon 8 Elite Gen 5 ranks in the top 14% of 38 chipsets we track.
LTPO AMOLED display ranks in the top 56% of 18 display types we track.
Glass/Aluminum build ranks in the top 40% of 5 build materials we track.
Wi-Fi 7 ranks in the top 25% of 4 Wi-Fi standards we track.
4K@30/60fps front camera video ranks in the top 15% of 7 front-video specs we track.
8K@30fps main camera video ranks in the top 69% of 16 video-recording specs we track.
Samsung Galaxy S25 Ultra
Snapdragon 8 Elite ranks in the top 19% of 38 chipsets we track.
Dynamic LTPO AMOLED display ranks in the top 6% of 18 display types we track.
Titanium build ranks in the top 20% of 5 build materials we track.
Wi-Fi 7 ranks in the top 25% of 4 Wi-Fi standards we track.
4K@30/60fps front camera video ranks in the top 15% of 7 front-video specs we track.
8K@24/30fps main camera video ranks in the top 63% of 16 video-recording specs we track.
OnePlus 15 vs Samsung Galaxy S25 Ultra: Display
| Spec |
 OnePlus 15
|
 Samsung Galaxy S25 Ultra
|
|---|---|---|
| Display size | 6.78 in | 6.9 in |
| Refresh rate | 165 Hz | 120 Hz |
| Brightness | 1800 nits | 2600 nits |
| Display type | LTPO AMOLED | Dynamic LTPO AMOLED |
| Resolution | 1272 x 2772 | 1440 x 3120 |
OnePlus 15 vs Samsung Galaxy S25 Ultra: Camera
| Spec |
OnePlus 15
|
Samsung Galaxy S25 Ultra
|
|---|---|---|
| Main camera resolution | 50 MP | 200 MP |
| Ultrawide camera resolution | 50 MP | 50 MP |
| Periscope camera resolution | 50 MP | 50 MP |
| Front camera resolution | 32 MP | 12 MP |
| Periscope zoom | 3.5 x | 5 x |
| Main aperture | 1.8 f | 1.7 f |
| Front aperture | 2.4 f | 2.2 f |
| Ultrawide aperture | 2 f | 1.9 f |
| Optical image stabilization | Yes | Yes |
| Main video | 8K@30fps | 8K@24/30fps |
| Front video | 4K@30/60fps | 4K@30/60fps |
| Camera features | Laser focus, color spectrum sensor, LED flash, HDR, panorama, LUT preview | Laser AF, Best Face, LED flash, auto-HDR, panorama |
OnePlus 15 vs Samsung Galaxy S25 Ultra: Battery
| Spec |
OnePlus 15
|
Samsung Galaxy S25 Ultra
|
|---|---|---|
| Battery capacity | 7300 mAh | 5000 mAh |
| Charge time | 15 min | 30 min |
| Wired charging | 120 W | 45 W |
| Wireless charging | 50 W | 15 W |
| Charging port | USB-C | USB-C |
OnePlus 15 vs Samsung Galaxy S25 Ultra: Performance
| Spec |
OnePlus 15
|
Samsung Galaxy S25 Ultra
|
|---|---|---|
| RAM | 12 GB | 12 GB |
| Storage | 256 GB | 256 GB |
| Chipset | Snapdragon 8 Elite Gen 5 | Snapdragon 8 Elite |
| Storage options | 256GB, 256GB, 512GB, 512GB, 16GB | 256GB, 512GB, 12GB, 16GB |
OnePlus 15 vs Samsung Galaxy S25 Ultra: Network & Connectivity
| Spec |
OnePlus 15
|
Samsung Galaxy S25 Ultra
|
|---|---|---|
| 5G (sub-6) | Yes | Yes |
| 5G (mmWave) | No | No |
| 5G capable | Yes | Yes |
| NFC | Yes | Yes |
| Bluetooth version | 6 | 5.4 |
| Wi-Fi generation | 7 | 7 |
| SIM type | Nano-SIM/eSIM | Nano-SIM/eSIM |
OnePlus 15 vs Samsung Galaxy S25 Ultra: Build & Design
| Spec |
OnePlus 15
|
Samsung Galaxy S25 Ultra
|
|---|---|---|
| Weight | 211 g | 218 g |
| Thickness | 8.1 mm | 8.2 mm |
| Build material | Glass/Aluminum | Titanium |
| IP rating | IP68 | IP68 |
| Available colors | Infinite Black, Ultra Violet, Sand Storm | Titanium Silver Blue, Titanium Black, Titanium White Silver, Titanium Gray, Titanium Jade Green, Titanium Jet Black, Titanium Pink Gold |
OnePlus 15 vs Samsung Galaxy S25 Ultra: OS & Software
| Spec |
OnePlus 15
|
Samsung Galaxy S25 Ultra
|
|---|---|---|
| Operating system | OxygenOS 16 | One UI 8 |
| OS version | 16 | 15 |
| Update policy | Not Specified | 7 Updates |
OnePlus 15 vs Samsung Galaxy S25 Ultra: Audio
| Spec |
OnePlus 15
|
Samsung Galaxy S25 Ultra
|
|---|---|---|
| Dolby Atmos | No | No |
| Stereo speakers | Yes | Yes |
| Headphone jack | No | No |
OnePlus 15 vs Samsung Galaxy S25 Ultra: Extras & Features
| Spec |
OnePlus 15
|
Samsung Galaxy S25 Ultra
|
|---|---|---|
| Desktop mode | No | No |
| Stylus support | No | No |
| Satellite connectivity | No | No |
| Wireless reverse charging | Yes | Yes |
Where each phone wins
OnePlus 15
- Battery capacity: 7300 mAh (vs 5000 mAh)
- Charge time: 15 min (vs 30 min)
- Wired charging: 120 W (vs 45 W)
- Wireless charging: 50 W (vs 15 W)
- Front camera resolution: 32 MP (vs 12 MP)
- Refresh rate: 165 Hz (vs 120 Hz)
- Bluetooth version: 6 (vs 5.4 )
- Weight: 211 g (vs 218 g)
- Thickness: 8.1 mm (vs 8.2 mm)
Samsung Galaxy S25 Ultra
- Main camera resolution: 200 MP (vs 50 MP)
- Periscope zoom: 5 x (vs 3.5 x)
- Main aperture: 1.7 f (vs 1.8 f)
- Front aperture: 2.2 f (vs 2.4 f)
- Ultrawide aperture: 1.9 f (vs 2 f)
- Display size: 6.9 in (vs 6.78 in)
- Brightness: 2600 nits (vs 1800 nits)
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Frequently Asked Questions
Which has the better battery capacity, the OnePlus 15 or the Samsung Galaxy S25 Ultra?
The OnePlus 15 has the better battery capacity at 7300 mAh, versus 5000 mAh on the Samsung Galaxy S25 Ultra.
Which has the better main camera resolution, the OnePlus 15 or the Samsung Galaxy S25 Ultra?
The Samsung Galaxy S25 Ultra has the better main camera resolution at 200 MP, versus 50 MP on the OnePlus 15.
Which has the better display size, the OnePlus 15 or the Samsung Galaxy S25 Ultra?
The Samsung Galaxy S25 Ultra has the better display size at 6.9 in, versus 6.78 in on the OnePlus 15.
Which has the better refresh rate, the OnePlus 15 or the Samsung Galaxy S25 Ultra?
The OnePlus 15 has the better refresh rate at 165 Hz, versus 120 Hz on the Samsung Galaxy S25 Ultra.