Samsung Galaxy S25 Ultra vs Vivo iQOO 15 Ultra
The Samsung Galaxy S25 Ultra (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 $1299 and $799. By overall MobileRank rating, the Vivo iQOO 15 Ultra leads — 89/100 vs 79/100 (a 10-point difference). Key differences: the Vivo iQOO 15 Ultra has the bigger battery (7400 mAh vs 5000); the main camera is 200 MP vs 50 MP; the Vivo iQOO 15 Ultra is faster in AnTuTu (4,602,290 vs 2,780,751).
Profile comparison
Category scores
Samsung Galaxy S25 Ultra
Vivo iQOO 15 Ultra
What makes Samsung Galaxy S25 Ultra better?
- Better main camera: 200MP vs 50MP
- Lighter: 218g vs 227g
- Better camera (81/100 vs 78/100)
- Better portability (46/100 vs 35/100)
What makes Vivo iQOO 15 Ultra better?
- Higher AnTuTu: 4602290 vs 2780751
- Better Geekbench Single: 3639 vs 3100
- Better Geekbench Multi: 11047 vs 9760
- Bigger battery: 7400 vs 5000 mAh
- Faster charging: 120W vs 45W
- Higher refresh rate: 144Hz vs 120Hz
- Faster wireless charging: 50W vs 15W
- Cheaper at launch: $799 vs $1299
- Higher performance (99/100 vs 91/100)
- Longer battery life (92/100 vs 56/100)
- Better display (99/100 vs 88/100)
Comparison verdict
Comparing the Samsung Galaxy S25 Ultra vs the Vivo iQOO 15 Ultra, the Vivo iQOO 15 Ultra scores 10 points higher (89/100 vs 79/100). In the "battery" category, the Vivo iQOO 15 Ultra leads (92/100 vs 56/100). Value score: Samsung Galaxy S25 Ultra — 68/100, 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 91/100). In the "display" category, the Vivo iQOO 15 Ultra is a bit better (99/100 vs 88/100). In the "camera" category, the Samsung Galaxy S25 Ultra and the Vivo iQOO 15 Ultra are nearly equal (81/100 vs 78/100). In the "battery" category, the Vivo iQOO 15 Ultra significantly outperforms the Samsung Galaxy S25 Ultra (92/100 vs 56/100). In the "portability" category, the Samsung Galaxy S25 Ultra is a bit better (46/100 vs 35/100).
Specs comparison
| Specification | Samsung Galaxy S25 Ultra | Vivo iQOO 15 Ultra | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 8 Elite | Qualcomm Snapdragon 8 Elite Gen 5 | |
| AnTuTu | 2780751 | 4602290 | |
| Geekbench Single | 3100 | 3639 | |
| Geekbench Multi | 9760 | 11047 | |
| Display | 6.9" Dynamic AMOLED 2X | 6.8" LTPO AMOLED | |
| Resolution | 3120x1440 | 1440x3168 | |
| Refresh rate | 120 Hz | 144 Hz | |
| Battery | 5000 mAh | 7400 mAh | |
| Charging | 45W | 120W | |
| Wireless charging | 15W | 50W | |
| DXOMark (camera) | 151 | — | |
| Main camera | 200 MP | 50 MP | |
| Ultrawide | 50 MP | 50 MP | |
| Telephoto | 50 MP | 50 MP | |
| Front camera | 12 MP | 32 MP | |
| RAM | 12GB / 16GB | 12GB / 16GB / 24GB | |
| Storage | 256GB / 512GB / 1TB | 256GB / 512GB / 1TB | |
| OS | Android 15 / One UI 7 | Android 16 | |
| Brightness (peak) | 2600 nits | 8000 nits | |
| NFC | yes | yes | |
| Protection | IP68 | IP68 | |
| Dimensions | 162.8×77.6×8.2 mm | 163.7×76.8×8.7 mm | |
| Weight | 218 g | 227 g | |
| Launch price | $1299 | $799 |
Camera comparison
Samsung Galaxy S25 Ultra
- Main: 200MP f/1.7
- Ultrawide: 50MP
- Telephoto: 50MP
- Front: 12MP
Vivo iQOO 15 Ultra
- Main: 50MP f/1.9
- Ultrawide: 50MP
- Telephoto: 50MP
- Front: 32MP
Display comparison
Samsung Galaxy S25 Ultra
- 6.9" Dynamic AMOLED 2X
- Resolution: 3120x1440
- Refresh rate: 120 Hz
Vivo iQOO 15 Ultra
- 6.8" LTPO AMOLED
- Resolution: 1440x3168
- Refresh rate: 144 Hz
Battery and charging
Samsung Galaxy S25 Ultra
- 5000 mAh
- NanoReview test: web browsing 11:10 hrs, total 28:43 hrs
- Wired: 45W
- Wireless: 15W
Vivo iQOO 15 Ultra
- 7400 mAh
- Wired: 120W
- Wireless: 50W
Overall performance score
We compared Samsung Galaxy S25 Ultra and Vivo iQOO 15 Ultra, covering their specs and all relevant benchmarks.
Vivo iQOO 15 Ultra leads Samsung Galaxy S25 Ultra by 39.6% in our overall performance rating.
Benchmarks
Launch prices and where to check today's
Launch price difference: $500. Vivo iQOO 15 Ultra was $500 cheaper at launch.
Detailed category analysis
performance
In the "performance" category, the Vivo iQOO 15 Ultra is a bit better (99/100 vs 91/100).
display
In the "display" category, the Vivo iQOO 15 Ultra is a bit better (99/100 vs 88/100).
camera
In the "camera" category, the Samsung Galaxy S25 Ultra and the Vivo iQOO 15 Ultra are nearly equal (81/100 vs 78/100).
battery
In the "battery" category, the Vivo iQOO 15 Ultra significantly outperforms the Samsung Galaxy S25 Ultra (92/100 vs 56/100).
portability
In the "portability" category, the Samsung Galaxy S25 Ultra is a bit better (46/100 vs 35/100).
Frequently asked questions
Which is better: the Samsung Galaxy S25 Ultra or the Vivo iQOO 15 Ultra?
The Vivo iQOO 15 Ultra is noticeably better than the Samsung Galaxy S25 Ultra — the overall rating gap is 10 points.
What is the rating of the Samsung Galaxy S25 Ultra and the Vivo iQOO 15 Ultra?
The Samsung Galaxy S25 Ultra has a MobileRank rating of 79/100, the Vivo iQOO 15 Ultra — 89/100.
Which is more powerful: the Samsung Galaxy S25 Ultra or the Vivo iQOO 15 Ultra?
The Vivo iQOO 15 Ultra leads on performance (99/100 vs 91/100).
Should you choose the Samsung Galaxy S25 Ultra over the Vivo iQOO 15 Ultra?
The Samsung Galaxy S25 Ultra is a better fit for gamers and power users, mobile photography enthusiasts. The Vivo iQOO 15 Ultra is a better fit for gamers and power users, those who care about battery life, budget-conscious buyers.