Samsung Galaxy S25 Slim vs Vivo iQOO 15 Ultra
Comparing the Samsung Galaxy S25 Slim (2024) and the Vivo iQOO 15 Ultra (2026) on specs and benchmarks. By overall MobileRank rating, the Vivo iQOO 15 Ultra leads — 84/100 vs 37/100 (a 47-point difference). Key differences: the main camera is 200 MP vs 50 MP.
Samsung Galaxy S25 Slim
Vivo iQOO 15 Ultra
- Better main camera: 200MP vs 50MP
- Better camera (81/100 vs 74/100)
- Better design/ergonomics (50/100 vs 16/100)
- Higher refresh rate: 144Hz vs 120Hz
- Higher performance (97/100 vs 0/100)
- Longer battery life (86/100 vs 0/100)
Comparing the Samsung Galaxy S25 Slim vs the Vivo iQOO 15 Ultra, the Vivo iQOO 15 Ultra scores 47 points higher (84/100 vs 37/100). In the "performance" category, the Vivo iQOO 15 Ultra leads (97/100 vs 0/100). In the "battery" category, the Vivo iQOO 15 Ultra leads (86/100 vs 0/100). In the "performance" category, the Vivo iQOO 15 Ultra significantly outperforms the Samsung Galaxy S25 Slim (97/100 vs 0/100). In the "display" category, both devices are on the same level — 100/100. In the "camera" category, the Samsung Galaxy S25 Slim is a bit better (81/100 vs 74/100). In the "battery" category, the Vivo iQOO 15 Ultra significantly outperforms the Samsung Galaxy S25 Slim (86/100 vs 0/100). In the "design" category, the Samsung Galaxy S25 Slim significantly outperforms the Vivo iQOO 15 Ultra (50/100 vs 16/100). In the "value for money" category, both devices are on the same level — 55/100.
| Specification | Samsung Galaxy S25 Slim | Vivo iQOO 15 Ultra | |
|---|---|---|---|
| Processor | — | Qualcomm Snapdragon 8 Elite Gen 5 | |
| AnTuTu | — | 4602290 | |
| Geekbench Single | — | 3640 | |
| Geekbench Multi | — | 11033 | |
| Display | 6.7" OLED | 6.8" LTPO AMOLED | |
| Resolution | 1080x2400 | 1440x3168 | |
| Refresh rate | 120 Hz | 144 Hz | |
| Battery | — | 7400 mAh | |
| Charging | — | 120W | |
| Wireless charging | 0W | 50W | |
| Main camera | 200 MP | 50 MP | |
| Ultrawide | 50 MP | 50 MP | |
| Telephoto | 50 MP | 50 MP | |
| Front camera | 10 MP | 32 MP | |
| RAM | 8GB | 12GB / 16GB / 24GB | |
| Storage | 128GB / 256GB / 512GB | 256GB / 512GB / 1TB | |
| OS | Android 15, One UI 7 | Android 16 | |
| Brightness (peak) | — | 8000 nits | |
| NFC | yes | yes | |
| Protection | IP68 | IP68 | |
| Dimensions | — | 163.7×76.8×8.7 mm | |
| Weight | — | 227 g | |
| Price | — | $799 |
Samsung Galaxy S25 Slim
- Main: 200MP
- Ultrawide: 50MP
- Telephoto: 50MP
- Front: 10MP
Vivo iQOO 15 Ultra
- Main: 50MP f/f/1.9
- Ultrawide: 50MP
- Telephoto: 50MP
- Front: 32MP
Samsung Galaxy S25 Slim
- 6.7" OLED
- Resolution: 1080x2400
- Refresh rate: 120 Hz
Vivo iQOO 15 Ultra
- 6.8" LTPO AMOLED
- Resolution: 1440x3168
- Refresh rate: 144 Hz
Samsung Galaxy S25 Slim
- —
- No wireless charging
Vivo iQOO 15 Ultra
- 7400 mAh
- Wired: 120W
- Wireless: 50W
Samsung Galaxy S25 Slim
Price unknownperformance
In the "performance" category, the Vivo iQOO 15 Ultra significantly outperforms the Samsung Galaxy S25 Slim (97/100 vs 0/100).
display
In the "display" category, both devices are on the same level — 100/100.
camera
In the "camera" category, the Samsung Galaxy S25 Slim is a bit better (81/100 vs 74/100).
battery
In the "battery" category, the Vivo iQOO 15 Ultra significantly outperforms the Samsung Galaxy S25 Slim (86/100 vs 0/100).
design
In the "design" category, the Samsung Galaxy S25 Slim significantly outperforms the Vivo iQOO 15 Ultra (50/100 vs 16/100).
value for money
In the "value for money" category, both devices are on the same level — 55/100.
Which is better: the Samsung Galaxy S25 Slim or the Vivo iQOO 15 Ultra?
The Vivo iQOO 15 Ultra significantly outperforms the Samsung Galaxy S25 Slim by 47 points (84/100 vs 37/100).
What is the rating of the Samsung Galaxy S25 Slim and the Vivo iQOO 15 Ultra?
The Samsung Galaxy S25 Slim has a MobileRank rating of 37/100, the Vivo iQOO 15 Ultra — 84/100.
Which has the better camera: the Samsung Galaxy S25 Slim or the Vivo iQOO 15 Ultra?
The Samsung Galaxy S25 Slim leads on camera score (81/100 vs 74/100).
Which is more powerful: the Samsung Galaxy S25 Slim or the Vivo iQOO 15 Ultra?
The Vivo iQOO 15 Ultra leads on performance (97/100 vs 0/100).
Should you choose the Samsung Galaxy S25 Slim over the Vivo iQOO 15 Ultra?
The Samsung Galaxy S25 Slim is a better fit for mobile photography enthusiasts. The Vivo iQOO 15 Ultra is a better fit for gamers and power users, those who care about battery life.