OPPO K15 Pro+ vs Samsung Galaxy S25 Ultra
The OPPO K15 Pro+ (2026) runs on the MediaTek Dimensity 9500s, while the Samsung Galaxy S25 Ultra (2025) runs on the Qualcomm Snapdragon 8 Elite; launch prices were $509 and $1299. By overall MobileRank rating, the Samsung Galaxy S25 Ultra leads — 80/100 vs 72/100 (a 8-point difference). Key differences: the OPPO K15 Pro+ has the bigger battery (8000 mAh vs 5000); the main camera is 50 MP vs 200 MP; the Samsung Galaxy S25 Ultra is faster in AnTuTu (3,128,552 vs 3,032,039).
Profile comparison
Category scores
OPPO K15 Pro+
Samsung Galaxy S25 Ultra
What makes OPPO K15 Pro+ better?
- Bigger battery: 8000 vs 5000 mAh
- Faster charging: 100W vs 45W
- Higher refresh rate: 165Hz vs 120Hz
- Cheaper at launch: $509 vs $1299
- Longer battery life (75/100 vs 56/100)
- Better display (94/100 vs 88/100)
What makes Samsung Galaxy S25 Ultra better?
- Higher AnTuTu: 3128552 vs 3032039
- Better Geekbench Single: 3100 vs 2725
- Better Geekbench Multi: 9760 vs 8932
- Better main camera: 200MP vs 50MP
- Lighter: 218g vs 219g
- Higher performance (92/100 vs 90/100)
- Better camera (81/100 vs 35/100)
- Better portability (46/100 vs 44/100)
Comparison verdict
Comparing the OPPO K15 Pro+ vs the Samsung Galaxy S25 Ultra, the Samsung Galaxy S25 Ultra scores 8 points higher (80/100 vs 72/100). In the "camera" category, the Samsung Galaxy S25 Ultra leads (81/100 vs 35/100). In the "battery" category, the OPPO K15 Pro+ leads (75/100 vs 56/100). Value score: OPPO K15 Pro+ — 64/100, Samsung Galaxy S25 Ultra — 70/100; it shows how far a model sits above or below the usual level for its price, and is not part of the overall rating. In the "performance" category, the Samsung Galaxy S25 Ultra and the OPPO K15 Pro+ are nearly equal (92/100 vs 90/100). In the "display" category, the OPPO K15 Pro+ is a bit better (94/100 vs 88/100). In the "camera" category, the Samsung Galaxy S25 Ultra significantly outperforms the OPPO K15 Pro+ (81/100 vs 35/100). In the "battery" category, the OPPO K15 Pro+ notably outperforms the Samsung Galaxy S25 Ultra (75/100 vs 56/100). In the "portability" category, the Samsung Galaxy S25 Ultra and the OPPO K15 Pro+ are nearly equal (46/100 vs 44/100).
Specs comparison
| Specification | OPPO K15 Pro+ | Samsung Galaxy S25 Ultra | |
|---|---|---|---|
| Processor | MediaTek Dimensity 9500s | Qualcomm Snapdragon 8 Elite | |
| AnTuTu | 3032039 | 3128552 | |
| Geekbench Single | 2725 | 3100 | |
| Geekbench Multi | 8932 | 9760 | |
| Display | 6.8" AMOLED | 6.9" Dynamic AMOLED 2X | |
| Resolution | 2772x1272 | 3120x1440 | |
| Refresh rate | 165 Hz | 120 Hz | |
| Battery | 8000 mAh | 5000 mAh | |
| Charging | 100W | 45W | |
| Wireless charging | 0W | 15W | |
| DXOMark (camera) | — | 151 | |
| Main camera | 50 MP | 200 MP | |
| Ultrawide | 8 MP | 50 MP | |
| Telephoto | 0 MP | 50 MP | |
| Front camera | 16 MP | 12 MP | |
| RAM | 12GB | 12GB / 16GB | |
| Storage | 256GB / 512GB | 256GB / 512GB / 1TB | |
| OS | Android 16 | Android 15 / One UI 7 | |
| Brightness (peak) | 1800 nits | 2600 nits | |
| NFC | yes | yes | |
| Protection | IP68 | IP68 | |
| Dimensions | 162.4×77.5×8.3 mm | 162.8×77.6×8.2 mm | |
| Weight | 219 g | 218 g | |
| Launch price | $509 | $1299 |
Camera comparison
OPPO K15 Pro+
- Main: 50MP f/1.8
- Ultrawide: 8MP
- Front: 16MP
Samsung Galaxy S25 Ultra
- Main: 200MP f/1.7
- Ultrawide: 50MP
- Telephoto: 50MP
- Front: 12MP
Display comparison
OPPO K15 Pro+
- 6.8" AMOLED
- Resolution: 2772x1272
- Refresh rate: 165 Hz
Samsung Galaxy S25 Ultra
- 6.9" Dynamic AMOLED 2X
- Resolution: 3120x1440
- Refresh rate: 120 Hz
Battery and charging
OPPO K15 Pro+
- 8000 mAh
- Wired: 100W
- No wireless charging
Samsung Galaxy S25 Ultra
- 5000 mAh
- NanoReview test: web browsing 11:10 hrs, total 28:43 hrs
- Wired: 45W
- Wireless: 15W
Overall performance score
We compared OPPO K15 Pro+ and Samsung Galaxy S25 Ultra, covering their specs and all relevant benchmarks.
Samsung Galaxy S25 Ultra leads OPPO K15 Pro+ by 3.1% in our overall performance rating.
Benchmarks
Launch prices and where to check today's
Launch price difference: $790. OPPO K15 Pro+ was $790 cheaper at launch.
Detailed category analysis
performance
In the "performance" category, the Samsung Galaxy S25 Ultra and the OPPO K15 Pro+ are nearly equal (92/100 vs 90/100).
display
In the "display" category, the OPPO K15 Pro+ is a bit better (94/100 vs 88/100).
camera
In the "camera" category, the Samsung Galaxy S25 Ultra significantly outperforms the OPPO K15 Pro+ (81/100 vs 35/100).
battery
In the "battery" category, the OPPO K15 Pro+ notably outperforms the Samsung Galaxy S25 Ultra (75/100 vs 56/100).
portability
In the "portability" category, the Samsung Galaxy S25 Ultra and the OPPO K15 Pro+ are nearly equal (46/100 vs 44/100).
Frequently asked questions
Which is better: the OPPO K15 Pro+ or the Samsung Galaxy S25 Ultra?
The Samsung Galaxy S25 Ultra edges out the OPPO K15 Pro+ by just 8 points — the two devices are very close in overall level.
What is the rating of the OPPO K15 Pro+ and the Samsung Galaxy S25 Ultra?
The OPPO K15 Pro+ has a MobileRank rating of 72/100, the Samsung Galaxy S25 Ultra — 80/100.
Which has the better camera: the OPPO K15 Pro+ or the Samsung Galaxy S25 Ultra?
The Samsung Galaxy S25 Ultra leads on camera score (81/100 vs 35/100).
Should you choose the OPPO K15 Pro+ over the Samsung Galaxy S25 Ultra?
The OPPO K15 Pro+ is a better fit for gamers and power users, those who care about battery life. The Samsung Galaxy S25 Ultra is a better fit for gamers and power users, mobile photography enthusiasts.