Samsung Galaxy S25 vs Vivo iQOO 15 Ultra
The Samsung Galaxy S25 (2025) runs on the Qualcomm Snapdragon 8 Elite, while the Vivo iQOO 15 Ultra (2026) runs on the Qualcomm Snapdragon 8 Elite Gen 5; launch prices were $799 and $799. By overall MobileRank rating, the Vivo iQOO 15 Ultra leads — 89/100 vs 65/100 (a 24-point difference). Key differences: the Vivo iQOO 15 Ultra has the bigger battery (7400 mAh vs 4000); the Vivo iQOO 15 Ultra is faster in AnTuTu (4,602,290 vs 2,583,039); the Samsung Galaxy S25 is noticeably lighter (162g vs 227g).
Profile comparison
Category scores
Samsung Galaxy S25
Vivo iQOO 15 Ultra
What makes Samsung Galaxy S25 better?
- Lighter: 162g vs 227g
- Better portability (89/100 vs 35/100)
What makes Vivo iQOO 15 Ultra better?
- Higher AnTuTu: 4602290 vs 2583039
- Better Geekbench Single: 3639 vs 3050
- Better Geekbench Multi: 11047 vs 9600
- Bigger battery: 7400 vs 4000 mAh
- Faster charging: 120W vs 25W
- Higher refresh rate: 144Hz vs 120Hz
- Faster wireless charging: 50W vs 15W
- Higher performance (99/100 vs 89/100)
- Better camera (78/100 vs 40/100)
- Longer battery life (92/100 vs 31/100)
- Better display (99/100 vs 81/100)
Comparison verdict
Comparing the Samsung Galaxy S25 vs the Vivo iQOO 15 Ultra, the Vivo iQOO 15 Ultra scores 24 points higher (89/100 vs 65/100). In the "performance" category, the Vivo iQOO 15 Ultra leads (99/100 vs 89/100). In the "camera" category, the Vivo iQOO 15 Ultra leads (78/100 vs 40/100). In the "battery" category, the Vivo iQOO 15 Ultra leads (92/100 vs 31/100). Value score: Samsung Galaxy S25 — 44/100, Vivo iQOO 15 Ultra — 92/100; 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 Vivo iQOO 15 Ultra is a bit better (99/100 vs 89/100). In the "display" category, the Vivo iQOO 15 Ultra notably outperforms the Samsung Galaxy S25 (99/100 vs 81/100). In the "camera" category, the Vivo iQOO 15 Ultra significantly outperforms the Samsung Galaxy S25 (78/100 vs 40/100). In the "battery" category, the Vivo iQOO 15 Ultra significantly outperforms the Samsung Galaxy S25 (92/100 vs 31/100). In the "portability" category, the Samsung Galaxy S25 significantly outperforms the Vivo iQOO 15 Ultra (89/100 vs 35/100).
Specs comparison
| Specification | Samsung Galaxy S25 | Vivo iQOO 15 Ultra | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 8 Elite | Qualcomm Snapdragon 8 Elite Gen 5 | |
| AnTuTu | 2583039 | 4602290 | |
| Geekbench Single | 3050 | 3639 | |
| Geekbench Multi | 9600 | 11047 | |
| Display | 6.2" Dynamic AMOLED 2X | 6.8" LTPO AMOLED | |
| Resolution | 2340x1080 | 1440x3168 | |
| Refresh rate | 120 Hz | 144 Hz | |
| Battery | 4000 mAh | 7400 mAh | |
| Charging | 25W | 120W | |
| Wireless charging | 15W | 50W | |
| Main camera | 50 MP | 50 MP | |
| Ultrawide | 12 MP | 50 MP | |
| Telephoto | 10 MP | 50 MP | |
| Front camera | 12 MP | 32 MP | |
| RAM | 12GB | 12GB / 16GB / 24GB | |
| Storage | 128GB / 256GB / 512GB | 256GB / 512GB / 1TB | |
| OS | Android 15 / One UI 7 | Android 16 | |
| Brightness (peak) | 2600 nits | 8000 nits | |
| NFC | yes | yes | |
| Protection | IP68 | IP68 | |
| Dimensions | 158.4×75.8×7.3 mm | 163.7×76.8×8.7 mm | |
| Weight | 162 g | 227 g | |
| Launch price | $799 | $799 |
Camera comparison
Samsung Galaxy S25
- Main: 50MP f/1.8
- Ultrawide: 12MP
- Telephoto: 10MP
- Front: 12MP
Vivo iQOO 15 Ultra
- Main: 50MP f/1.9
- Ultrawide: 50MP
- Telephoto: 50MP
- Front: 32MP
Display comparison
Samsung Galaxy S25
- 6.2" Dynamic AMOLED 2X
- Resolution: 2340x1080
- Refresh rate: 120 Hz
Vivo iQOO 15 Ultra
- 6.8" LTPO AMOLED
- Resolution: 1440x3168
- Refresh rate: 144 Hz
Battery and charging
Samsung Galaxy S25
- 4000 mAh
- Wired: 25W
- Wireless: 15W
Vivo iQOO 15 Ultra
- 7400 mAh
- Wired: 120W
- Wireless: 50W
Overall performance score
We compared Samsung Galaxy S25 and Vivo iQOO 15 Ultra, covering their specs and all relevant benchmarks.
Vivo iQOO 15 Ultra leads Samsung Galaxy S25 by 43.9% in our overall performance rating.
Benchmarks
Launch prices and where to check today's
Launch price difference: $0. Same launch price.
Detailed category analysis
performance
In the "performance" category, the Vivo iQOO 15 Ultra is a bit better (99/100 vs 89/100).
display
In the "display" category, the Vivo iQOO 15 Ultra notably outperforms the Samsung Galaxy S25 (99/100 vs 81/100).
camera
In the "camera" category, the Vivo iQOO 15 Ultra significantly outperforms the Samsung Galaxy S25 (78/100 vs 40/100).
battery
In the "battery" category, the Vivo iQOO 15 Ultra significantly outperforms the Samsung Galaxy S25 (92/100 vs 31/100).
portability
In the "portability" category, the Samsung Galaxy S25 significantly outperforms the Vivo iQOO 15 Ultra (89/100 vs 35/100).
Frequently asked questions
Which is better: the Samsung Galaxy S25 or the Vivo iQOO 15 Ultra?
The Vivo iQOO 15 Ultra significantly outperforms the Samsung Galaxy S25 by 24 points (89/100 vs 65/100).
What is the rating of the Samsung Galaxy S25 and the Vivo iQOO 15 Ultra?
The Samsung Galaxy S25 has a MobileRank rating of 65/100, the Vivo iQOO 15 Ultra — 89/100.
Which has the better camera: the Samsung Galaxy S25 or the Vivo iQOO 15 Ultra?
The Vivo iQOO 15 Ultra leads on camera score (78/100 vs 40/100).
Which is more powerful: the Samsung Galaxy S25 or the Vivo iQOO 15 Ultra?
The Vivo iQOO 15 Ultra leads on performance (99/100 vs 89/100).
Should you choose the Samsung Galaxy S25 over the Vivo iQOO 15 Ultra?
The Samsung Galaxy S25 is a better fit for gamers and power users. The Vivo iQOO 15 Ultra is a better fit for gamers and power users, those who care about battery life, budget-conscious buyers.