Samsung Galaxy S25 Ultra vs Vivo iQOO 15T
The Samsung Galaxy S25 Ultra (2025) runs on the Qualcomm Snapdragon 8 Elite, while the Vivo iQOO 15T (2026) runs on the MediaTek Dimensity 9500; launch prices were $1299 and $499. By overall MobileRank rating, the Vivo iQOO 15T leads — 82/100 vs 79/100 (a 3-point difference). Key differences: the Vivo iQOO 15T has the bigger battery (8000 mAh vs 5000); the Vivo iQOO 15T is faster in AnTuTu (4,704,310 vs 2,780,751).
Profile comparison
Category scores
Samsung Galaxy S25 Ultra
Vivo iQOO 15T
What makes Samsung Galaxy S25 Ultra better?
- Better camera (81/100 vs 65/100)
- Better portability (46/100 vs 44/100)
What makes Vivo iQOO 15T better?
- Higher AnTuTu: 4704310 vs 2780751
- Better Geekbench Single: 3293 vs 3100
- Better Geekbench Multi: 10243 vs 9760
- Bigger battery: 8000 vs 5000 mAh
- Faster charging: 100W vs 45W
- Higher refresh rate: 144Hz vs 120Hz
- Lighter: 216g vs 218g
- Cheaper at launch: $499 vs $1299
- Higher performance (97/100 vs 91/100)
- Longer battery life (75/100 vs 56/100)
- Better display (99/100 vs 88/100)
Comparison verdict
Comparing the Samsung Galaxy S25 Ultra vs the Vivo iQOO 15T, the Vivo iQOO 15T scores 3 points higher (82/100 vs 79/100). In the "camera" category, the Samsung Galaxy S25 Ultra leads (81/100 vs 65/100). In the "battery" category, the Vivo iQOO 15T leads (75/100 vs 56/100). Value score: Samsung Galaxy S25 Ultra — 68/100, Vivo iQOO 15T — 86/100; 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 15T is a bit better (97/100 vs 91/100). In the "display" category, the Vivo iQOO 15T is a bit better (99/100 vs 88/100). In the "camera" category, the Samsung Galaxy S25 Ultra notably outperforms the Vivo iQOO 15T (81/100 vs 65/100). In the "battery" category, the Vivo iQOO 15T notably outperforms the Samsung Galaxy S25 Ultra (75/100 vs 56/100). In the "portability" category, the Samsung Galaxy S25 Ultra and the Vivo iQOO 15T are nearly equal (46/100 vs 44/100).
Specs comparison
| Specification | Samsung Galaxy S25 Ultra | Vivo iQOO 15T | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 8 Elite | MediaTek Dimensity 9500 | |
| AnTuTu | 2780751 | 4704310 | |
| Geekbench Single | 3100 | 3293 | |
| Geekbench Multi | 9760 | 10243 | |
| Display | 6.9" Dynamic AMOLED 2X | 6.8" LTPO AMOLED | |
| Resolution | 3120x1440 | 1440x3168 | |
| Refresh rate | 120 Hz | 144 Hz | |
| Battery | 5000 mAh | 8000 mAh | |
| Charging | 45W | 100W | |
| Wireless charging | 15W | 0W | |
| DXOMark (camera) | 151 | — | |
| Main camera | 200 MP | 200 MP | |
| Ultrawide | 50 MP | 50 MP | |
| Telephoto | 50 MP | 0 MP | |
| Front camera | 12 MP | 16 MP | |
| RAM | 12GB / 16GB | 12GB / 16GB | |
| Storage | 256GB / 512GB / 1TB | 256GB / 512GB / 1TB | |
| OS | Android 15 / One UI 7 | Android 16 | |
| Brightness (peak) | 2600 nits | — | |
| NFC | yes | yes | |
| Protection | IP68 | IP68 | |
| Dimensions | 162.8×77.6×8.2 mm | — | |
| Weight | 218 g | 216 g | |
| Launch price | $1299 | $499 |
Camera comparison
Samsung Galaxy S25 Ultra
- Main: 200MP f/1.7
- Ultrawide: 50MP
- Telephoto: 50MP
- Front: 12MP
Vivo iQOO 15T
- Main: 200MP f/1.8
- Ultrawide: 50MP
- Front: 16MP
Display comparison
Samsung Galaxy S25 Ultra
- 6.9" Dynamic AMOLED 2X
- Resolution: 3120x1440
- Refresh rate: 120 Hz
Vivo iQOO 15T
- 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 15T
- 8000 mAh
- Wired: 100W
- No wireless charging
Overall performance score
We compared Samsung Galaxy S25 Ultra and Vivo iQOO 15T, covering their specs and all relevant benchmarks.
Vivo iQOO 15T leads Samsung Galaxy S25 Ultra by 40.9% in our overall performance rating.
Benchmarks
Launch prices and where to check today's
Launch price difference: $800. Vivo iQOO 15T was $800 cheaper at launch.
Detailed category analysis
performance
In the "performance" category, the Vivo iQOO 15T is a bit better (97/100 vs 91/100).
display
In the "display" category, the Vivo iQOO 15T is a bit better (99/100 vs 88/100).
camera
In the "camera" category, the Samsung Galaxy S25 Ultra notably outperforms the Vivo iQOO 15T (81/100 vs 65/100).
battery
In the "battery" category, the Vivo iQOO 15T notably outperforms the Samsung Galaxy S25 Ultra (75/100 vs 56/100).
portability
In the "portability" category, the Samsung Galaxy S25 Ultra and the Vivo iQOO 15T are nearly equal (46/100 vs 44/100).
Frequently asked questions
Which is better: the Samsung Galaxy S25 Ultra or the Vivo iQOO 15T?
The Vivo iQOO 15T edges out the Samsung Galaxy S25 Ultra by just 3 points — the two devices are very close in overall level.
What is the rating of the Samsung Galaxy S25 Ultra and the Vivo iQOO 15T?
The Samsung Galaxy S25 Ultra has a MobileRank rating of 79/100, the Vivo iQOO 15T — 82/100.
Which has the better camera: the Samsung Galaxy S25 Ultra or the Vivo iQOO 15T?
The Samsung Galaxy S25 Ultra leads on camera score (81/100 vs 65/100).
Which is more powerful: the Samsung Galaxy S25 Ultra or the Vivo iQOO 15T?
The Vivo iQOO 15T leads on performance (97/100 vs 91/100).
Should you choose the Samsung Galaxy S25 Ultra over the Vivo iQOO 15T?
The Samsung Galaxy S25 Ultra is a better fit for gamers and power users, mobile photography enthusiasts. The Vivo iQOO 15T is a better fit for gamers and power users, those who care about battery life, budget-conscious buyers.