Samsung Galaxy S9 vs Vivo iQOO 15
The Samsung Galaxy S9 (2018) runs on the Samsung Exynos 9810, while the Vivo iQOO 15 (2025) runs on the Qualcomm Snapdragon 8 Elite; launch prices were $720 and $599. By overall MobileRank rating, the Vivo iQOO 15 leads — 86/100 vs 32/100 (a 54-point difference). Key differences: the Vivo iQOO 15 has the bigger battery (7000 mAh vs 3000); the main camera is 12 MP vs 50 MP; the Vivo iQOO 15 is faster in AnTuTu (3,758,268 vs 594,285); the Samsung Galaxy S9 is noticeably lighter (163g vs 215g).
Profile comparison
Category scores
Samsung Galaxy S9
Vivo iQOO 15
What makes Samsung Galaxy S9 better?
- Lighter: 163g vs 215g
- Better portability (76/100 vs 48/100)
What makes Vivo iQOO 15 better?
- Higher AnTuTu: 3758268 vs 594285
- Better Geekbench Single: 3013 vs 744
- Better Geekbench Multi: 9287 vs 1863
- Bigger battery: 7000 vs 3000 mAh
- Better main camera: 50MP vs 12MP
- Higher refresh rate: 144Hz vs 60Hz
- Cheaper at launch: $599 vs $720
- Higher performance (94/100 vs 43/100)
- Better camera (78/100 vs 10/100)
- Longer battery life (85/100 vs 15/100)
- Better display (99/100 vs 51/100)
Comparison verdict
Comparing the Samsung Galaxy S9 vs the Vivo iQOO 15, the Vivo iQOO 15 scores 54 points higher (86/100 vs 32/100). In the "performance" category, the Vivo iQOO 15 leads (94/100 vs 43/100). In the "camera" category, the Vivo iQOO 15 leads (78/100 vs 10/100). In the "battery" category, the Vivo iQOO 15 leads (85/100 vs 15/100). Value score: Samsung Galaxy S9 — 0/100, Vivo iQOO 15 — 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 15 significantly outperforms the Samsung Galaxy S9 (94/100 vs 43/100). In the "display" category, the Vivo iQOO 15 significantly outperforms the Samsung Galaxy S9 (99/100 vs 51/100). In the "camera" category, the Vivo iQOO 15 significantly outperforms the Samsung Galaxy S9 (78/100 vs 10/100). In the "battery" category, the Vivo iQOO 15 significantly outperforms the Samsung Galaxy S9 (85/100 vs 15/100). In the "portability" category, the Samsung Galaxy S9 notably outperforms the Vivo iQOO 15 (76/100 vs 48/100).
Specs comparison
| Specification | Samsung Galaxy S9 | Vivo iQOO 15 | |
|---|---|---|---|
| Processor | Samsung Exynos 9810 | Qualcomm Snapdragon 8 Elite | |
| AnTuTu | 594285 | 3758268 | |
| Geekbench Single | 744 | 3013 | |
| Geekbench Multi | 1863 | 9287 | |
| Display | 5.8" AMOLED | 6.8" LTPO AMOLED | |
| Resolution | — | 1440x3168 | |
| Refresh rate | 60 Hz | 144 Hz | |
| Battery | 3000 mAh | 7000 mAh | |
| Charging | — | 100W | |
| Wireless charging | — | 40W | |
| Main camera | 12 MP | 50 MP | |
| Ultrawide | 0 MP | 50 MP | |
| Telephoto | 0 MP | 50 MP | |
| Front camera | 8 MP | 32 MP | |
| RAM | 4GB | 12GB / 16GB | |
| Storage | 64GB / 128GB / 256GB | 256GB / 512GB / 1TB | |
| OS | — | Android 16 | |
| Brightness (peak) | — | 6000 nits | |
| NFC | yes | yes | |
| Protection | IP68 | IP68 | |
| Dimensions | 158.1×73.8×8.5 mm | 163.7×76.8×8.1 mm | |
| Weight | 163 g | 215 g | |
| Launch price | $720 | $599 |
Camera comparison
Samsung Galaxy S9
- Main: 12MP
- Front: 8MP
Vivo iQOO 15
- Main: 50MP f/1.9
- Ultrawide: 50MP
- Telephoto: 50MP
- Front: 32MP
Display comparison
Samsung Galaxy S9
- 5.8" AMOLED
- Refresh rate: 60 Hz
Vivo iQOO 15
- 6.8" LTPO AMOLED
- Resolution: 1440x3168
- Refresh rate: 144 Hz
Battery and charging
Samsung Galaxy S9
- 3000 mAh
- Wireless: supported, wattage unknown
Vivo iQOO 15
- 7000 mAh
- NanoReview test: web browsing 18:52 hrs, total 39:26 hrs
- Wired: 100W
- Wireless: 40W
Overall performance score
We compared Samsung Galaxy S9 and Vivo iQOO 15, covering their specs and all relevant benchmarks.
Vivo iQOO 15 leads Samsung Galaxy S9 by 84.2% in our overall performance rating.
Benchmarks
Launch prices and where to check today's
Launch price difference: $121. Vivo iQOO 15 was $121 cheaper at launch.
Detailed category analysis
performance
In the "performance" category, the Vivo iQOO 15 significantly outperforms the Samsung Galaxy S9 (94/100 vs 43/100).
display
In the "display" category, the Vivo iQOO 15 significantly outperforms the Samsung Galaxy S9 (99/100 vs 51/100).
camera
In the "camera" category, the Vivo iQOO 15 significantly outperforms the Samsung Galaxy S9 (78/100 vs 10/100).
battery
In the "battery" category, the Vivo iQOO 15 significantly outperforms the Samsung Galaxy S9 (85/100 vs 15/100).
portability
In the "portability" category, the Samsung Galaxy S9 notably outperforms the Vivo iQOO 15 (76/100 vs 48/100).
Frequently asked questions
Which is better: the Samsung Galaxy S9 or the Vivo iQOO 15?
The Vivo iQOO 15 significantly outperforms the Samsung Galaxy S9 by 54 points (86/100 vs 32/100).
What is the rating of the Samsung Galaxy S9 and the Vivo iQOO 15?
The Samsung Galaxy S9 has a MobileRank rating of 32/100, the Vivo iQOO 15 — 86/100.
Which has the better camera: the Samsung Galaxy S9 or the Vivo iQOO 15?
The Vivo iQOO 15 leads on camera score (78/100 vs 10/100).
Which is more powerful: the Samsung Galaxy S9 or the Vivo iQOO 15?
The Vivo iQOO 15 leads on performance (94/100 vs 43/100).
Should you choose the Samsung Galaxy S9 over the Vivo iQOO 15?
The Vivo iQOO 15 is a better fit for gamers and power users, those who care about battery life, budget-conscious buyers.