Samsung Galaxy S25 Ultra vs Vivo X300 Ultra
The Samsung Galaxy S25 Ultra (2025) runs on the Qualcomm Snapdragon 8 Elite, while the Vivo X300 Ultra (2026) runs on the Qualcomm Snapdragon 8 Elite Gen 5; launch prices were $1299 and $950. By overall MobileRank rating, the Vivo X300 Ultra leads — 91/100 vs 79/100 (a 12-point difference). Key differences: the Vivo X300 Ultra has the bigger battery (7000 mAh vs 5000); the Vivo X300 Ultra is faster in AnTuTu (4,247,433 vs 2,780,751); per DXOMark lab testing, the Vivo X300 Ultra has the stronger camera (170 vs 151).
Profile comparison
Category scores
Samsung Galaxy S25 Ultra
Vivo X300 Ultra
What makes Samsung Galaxy S25 Ultra better?
- Lighter: 218g vs 230g
- Better portability (46/100 vs 39/100)
What makes Vivo X300 Ultra better?
- Higher AnTuTu: 4247433 vs 2780751
- Better Geekbench Single: 3639 vs 3100
- Better Geekbench Multi: 11047 vs 9760
- Bigger battery: 7000 vs 5000 mAh
- Faster charging: 100W vs 45W
- Faster wireless charging: 40W vs 15W
- Cheaper at launch: $950 vs $1299
- Higher performance (99/100 vs 91/100)
- Better camera (96/100 vs 81/100)
- Longer battery life (85/100 vs 56/100)
- Better display (89/100 vs 88/100)
Comparison verdict
Comparing the Samsung Galaxy S25 Ultra vs the Vivo X300 Ultra, the Vivo X300 Ultra scores 12 points higher (91/100 vs 79/100). In the "camera" category, the Vivo X300 Ultra leads (96/100 vs 81/100). In the "battery" category, the Vivo X300 Ultra leads (85/100 vs 56/100). Value score: Samsung Galaxy S25 Ultra — 68/100, Vivo X300 Ultra — 94/100; 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 X300 Ultra is a bit better (99/100 vs 91/100). In the "display" category, the Vivo X300 Ultra and the Samsung Galaxy S25 Ultra are nearly equal (89/100 vs 88/100). In the "camera" category, the Vivo X300 Ultra notably outperforms the Samsung Galaxy S25 Ultra (96/100 vs 81/100). In the "battery" category, the Vivo X300 Ultra notably outperforms the Samsung Galaxy S25 Ultra (85/100 vs 56/100). In the "portability" category, the Samsung Galaxy S25 Ultra is a bit better (46/100 vs 39/100).
Specs comparison
| Specification | Samsung Galaxy S25 Ultra | Vivo X300 Ultra | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 8 Elite | Qualcomm Snapdragon 8 Elite Gen 5 | |
| AnTuTu | 2780751 | 4247433 | |
| Geekbench Single | 3100 | 3639 | |
| Geekbench Multi | 9760 | 11047 | |
| Display | 6.9" Dynamic AMOLED 2X | 6.8" LTPO OLED | |
| Resolution | 3120x1440 | 3168x1440 | |
| Refresh rate | 120 Hz | 120 Hz | |
| Battery | 5000 mAh | 7000 mAh | |
| Charging | 45W | 100W | |
| Wireless charging | 15W | 40W | |
| DXOMark (camera) | 151 | 170 | |
| Main camera | 200 MP | 200 MP | |
| Ultrawide | 50 MP | 50 MP | |
| Telephoto | 50 MP | 200 MP | |
| Front camera | 12 MP | 32 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 | IP69 | |
| Dimensions | 162.8×77.6×8.2 mm | 163.0×76.8×8.2 mm | |
| Weight | 218 g | 230 g | |
| Launch price | $1299 | $950 |
Camera comparison
Samsung Galaxy S25 Ultra
- Main: 200MP f/1.7
- Ultrawide: 50MP
- Telephoto: 50MP
- Front: 12MP
Vivo X300 Ultra
- Main: 200MP f/1.6
- Ultrawide: 50MP
- Telephoto: 200MP
- Front: 32MP
Display comparison
Samsung Galaxy S25 Ultra
- 6.9" Dynamic AMOLED 2X
- Resolution: 3120x1440
- Refresh rate: 120 Hz
Vivo X300 Ultra
- 6.8" LTPO OLED
- Resolution: 3168x1440
- Refresh rate: 120 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 X300 Ultra
- 7000 mAh
- NanoReview test: web browsing 10:18 hrs, total 29:11 hrs
- Wired: 100W
- Wireless: 40W
Overall performance score
We compared Samsung Galaxy S25 Ultra and Vivo X300 Ultra, covering their specs and all relevant benchmarks.
Vivo X300 Ultra leads Samsung Galaxy S25 Ultra by 34.5% in our overall performance rating.
Benchmarks
Launch prices and where to check today's
Launch price difference: $349. Vivo X300 Ultra was $349 cheaper at launch.
Detailed category analysis
performance
In the "performance" category, the Vivo X300 Ultra is a bit better (99/100 vs 91/100).
display
In the "display" category, the Vivo X300 Ultra and the Samsung Galaxy S25 Ultra are nearly equal (89/100 vs 88/100).
camera
In the "camera" category, the Vivo X300 Ultra notably outperforms the Samsung Galaxy S25 Ultra (96/100 vs 81/100).
battery
In the "battery" category, the Vivo X300 Ultra notably outperforms the Samsung Galaxy S25 Ultra (85/100 vs 56/100).
portability
In the "portability" category, the Samsung Galaxy S25 Ultra is a bit better (46/100 vs 39/100).
Frequently asked questions
Which is better: the Samsung Galaxy S25 Ultra or the Vivo X300 Ultra?
The Vivo X300 Ultra is noticeably better than the Samsung Galaxy S25 Ultra — the overall rating gap is 12 points.
What is the rating of the Samsung Galaxy S25 Ultra and the Vivo X300 Ultra?
The Samsung Galaxy S25 Ultra has a MobileRank rating of 79/100, the Vivo X300 Ultra — 91/100.
Which has the better camera: the Samsung Galaxy S25 Ultra or the Vivo X300 Ultra?
The Vivo X300 Ultra leads on camera score (96/100 vs 81/100).
Which is more powerful: the Samsung Galaxy S25 Ultra or the Vivo X300 Ultra?
The Vivo X300 Ultra leads on performance (99/100 vs 91/100).
Should you choose the Samsung Galaxy S25 Ultra over the Vivo X300 Ultra?
The Samsung Galaxy S25 Ultra is a better fit for gamers and power users, mobile photography enthusiasts. The Vivo X300 Ultra is a better fit for gamers and power users, mobile photography enthusiasts, those who care about battery life, budget-conscious buyers.