Samsung Galaxy S25 Ultra vs Vivo Y31s 5G
The Samsung Galaxy S25 Ultra (2025) runs on the Qualcomm Snapdragon 8 Elite, while the Vivo Y31s 5G (2026) runs on the Qualcomm Snapdragon 4 Gen 2; launch prices were $1299 and $200. By overall MobileRank rating, the Samsung Galaxy S25 Ultra leads — 80/100 vs 47/100 (a 33-point difference). Key differences: the Vivo Y31s 5G has the bigger battery (6500 mAh vs 5000); the main camera is 200 MP vs 50 MP; the Samsung Galaxy S25 Ultra is faster in AnTuTu (3,128,552 vs 568,395); the Samsung Galaxy S25 Ultra has NFC for contactless payments, the Vivo Y31s 5G doesn't.
Profile comparison
Category scores
Samsung Galaxy S25 Ultra
Vivo Y31s 5G
What makes Samsung Galaxy S25 Ultra better?
- Higher AnTuTu: 3128552 vs 568395
- Better Geekbench Single: 3100 vs 915
- Better Geekbench Multi: 9760 vs 2115
- Faster charging: 45W vs 44W
- Better main camera: 200MP vs 50MP
- Higher performance (92/100 vs 46/100)
- Better camera (81/100 vs 37/100)
- Better display (88/100 vs 55/100)
What makes Vivo Y31s 5G better?
- Bigger battery: 6500 vs 5000 mAh
- Lighter: 207g vs 218g
- Cheaper at launch: $200 vs $1299
- Longer battery life (58/100 vs 56/100)
- Better portability (50/100 vs 46/100)
Comparison verdict
Comparing the Samsung Galaxy S25 Ultra vs the Vivo Y31s 5G, the Samsung Galaxy S25 Ultra scores 33 points higher (80/100 vs 47/100). In the "performance" category, the Samsung Galaxy S25 Ultra leads (92/100 vs 46/100). In the "camera" category, the Samsung Galaxy S25 Ultra leads (81/100 vs 37/100). Value score: Samsung Galaxy S25 Ultra — 70/100, Vivo Y31s 5G — 54/100; 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 significantly outperforms the Vivo Y31s 5G (92/100 vs 46/100). In the "display" category, the Samsung Galaxy S25 Ultra significantly outperforms the Vivo Y31s 5G (88/100 vs 55/100). In the "camera" category, the Samsung Galaxy S25 Ultra significantly outperforms the Vivo Y31s 5G (81/100 vs 37/100). In the "battery" category, the Vivo Y31s 5G and the Samsung Galaxy S25 Ultra are nearly equal (58/100 vs 56/100). In the "portability" category, the Vivo Y31s 5G and the Samsung Galaxy S25 Ultra are nearly equal (50/100 vs 46/100).
Specs comparison
| Specification | Samsung Galaxy S25 Ultra | Vivo Y31s 5G | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 8 Elite | Qualcomm Snapdragon 4 Gen 2 | |
| AnTuTu | 3128552 | 568395 | |
| Geekbench Single | 3100 | 915 | |
| Geekbench Multi | 9760 | 2115 | |
| Display | 6.9" Dynamic AMOLED 2X | 6.7" IPS LCD | |
| Resolution | 3120x1440 | 1600x720 | |
| Refresh rate | 120 Hz | 120 Hz | |
| Battery | 5000 mAh | 6500 mAh | |
| Charging | 45W | 44W | |
| Wireless charging | 15W | 0W | |
| DXOMark (camera) | 151 | — | |
| Main camera | 200 MP | 50 MP | |
| Ultrawide | 50 MP | 0 MP | |
| Telephoto | 50 MP | 0 MP | |
| Front camera | 12 MP | 32 MP | |
| RAM | 12GB / 16GB | 8GB | |
| Storage | 256GB / 512GB / 1TB | 256GB | |
| OS | Android 15 / One UI 7 | Android 16 | |
| Brightness (peak) | 2600 nits | — | |
| NFC | yes | no | |
| Protection | IP68 | — | |
| Dimensions | 162.8×77.6×8.2 mm | 164.2×75.4×8.4 mm | |
| Weight | 218 g | 207 g | |
| Launch price | $1299 | $200 |
Camera comparison
Samsung Galaxy S25 Ultra
- Main: 200MP f/1.7
- Ultrawide: 50MP
- Telephoto: 50MP
- Front: 12MP
Vivo Y31s 5G
- Main: 50MP f/1.8
- Front: 32MP
Display comparison
Samsung Galaxy S25 Ultra
- 6.9" Dynamic AMOLED 2X
- Resolution: 3120x1440
- Refresh rate: 120 Hz
Vivo Y31s 5G
- 6.7" IPS LCD
- Resolution: 1600x720
- 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 Y31s 5G
- 6500 mAh
- Wired: 44W
- No wireless charging
Overall performance score
We compared Samsung Galaxy S25 Ultra and Vivo Y31s 5G, covering their specs and all relevant benchmarks.
Samsung Galaxy S25 Ultra leads Vivo Y31s 5G by 450.4% in our overall performance rating.
Benchmarks
Launch prices and where to check today's
Launch price difference: $1099. Vivo Y31s 5G was $1099 cheaper at launch.
Detailed category analysis
performance
In the "performance" category, the Samsung Galaxy S25 Ultra significantly outperforms the Vivo Y31s 5G (92/100 vs 46/100).
display
In the "display" category, the Samsung Galaxy S25 Ultra significantly outperforms the Vivo Y31s 5G (88/100 vs 55/100).
camera
In the "camera" category, the Samsung Galaxy S25 Ultra significantly outperforms the Vivo Y31s 5G (81/100 vs 37/100).
battery
In the "battery" category, the Vivo Y31s 5G and the Samsung Galaxy S25 Ultra are nearly equal (58/100 vs 56/100).
portability
In the "portability" category, the Vivo Y31s 5G and the Samsung Galaxy S25 Ultra are nearly equal (50/100 vs 46/100).
Frequently asked questions
Which is better: the Samsung Galaxy S25 Ultra or the Vivo Y31s 5G?
The Samsung Galaxy S25 Ultra significantly outperforms the Vivo Y31s 5G by 33 points (80/100 vs 47/100).
What is the rating of the Samsung Galaxy S25 Ultra and the Vivo Y31s 5G?
The Samsung Galaxy S25 Ultra has a MobileRank rating of 80/100, the Vivo Y31s 5G — 47/100.
Which has the better camera: the Samsung Galaxy S25 Ultra or the Vivo Y31s 5G?
The Samsung Galaxy S25 Ultra leads on camera score (81/100 vs 37/100).
Which is more powerful: the Samsung Galaxy S25 Ultra or the Vivo Y31s 5G?
The Samsung Galaxy S25 Ultra leads on performance (92/100 vs 46/100).
Should you choose the Samsung Galaxy S25 Ultra over the Vivo Y31s 5G?
The Samsung Galaxy S25 Ultra is a better fit for gamers and power users, mobile photography enthusiasts.