Samsung Galaxy S8 vs Vivo iQOO 15T
The Samsung Galaxy S8 (2017) runs on the Samsung Exynos 8895, while the Vivo iQOO 15T (2026) runs on the MediaTek Dimensity 9500; launch prices were $720 and $499. By overall MobileRank rating, the Vivo iQOO 15T leads — 82/100 vs 28/100 (a 54-point difference). Key differences: the Vivo iQOO 15T has the bigger battery (8000 mAh vs 3000); the main camera is 12 MP vs 200 MP; the Vivo iQOO 15T is faster in AnTuTu (4,704,310 vs 435,852); the Samsung Galaxy S8 is noticeably lighter (155g vs 216g).
Profile comparison
Category scores
Samsung Galaxy S8
Vivo iQOO 15T
What makes Samsung Galaxy S8 better?
- Lighter: 155g vs 216g
- Better portability (82/100 vs 44/100)
What makes Vivo iQOO 15T better?
- Higher AnTuTu: 4704310 vs 435852
- Better Geekbench Single: 3293 vs 419
- Better Geekbench Multi: 10243 vs 1445
- Bigger battery: 8000 vs 3000 mAh
- Better main camera: 200MP vs 12MP
- Higher refresh rate: 144Hz vs 60Hz
- Cheaper at launch: $499 vs $720
- Higher performance (97/100 vs 32/100)
- Better camera (65/100 vs 10/100)
- Longer battery life (75/100 vs 15/100)
- Better display (99/100 vs 51/100)
Comparison verdict
Comparing the Samsung Galaxy S8 vs the Vivo iQOO 15T, the Vivo iQOO 15T scores 54 points higher (82/100 vs 28/100). In the "performance" category, the Vivo iQOO 15T leads (97/100 vs 32/100). In the "camera" category, the Vivo iQOO 15T leads (65/100 vs 10/100). In the "battery" category, the Vivo iQOO 15T leads (75/100 vs 15/100). Value score: Samsung Galaxy S8 — 0/100, 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 significantly outperforms the Samsung Galaxy S8 (97/100 vs 32/100). In the "display" category, the Vivo iQOO 15T significantly outperforms the Samsung Galaxy S8 (99/100 vs 51/100). In the "camera" category, the Vivo iQOO 15T significantly outperforms the Samsung Galaxy S8 (65/100 vs 10/100). In the "battery" category, the Vivo iQOO 15T significantly outperforms the Samsung Galaxy S8 (75/100 vs 15/100). In the "portability" category, the Samsung Galaxy S8 significantly outperforms the Vivo iQOO 15T (82/100 vs 44/100).
Specs comparison
| Specification | Samsung Galaxy S8 | Vivo iQOO 15T | |
|---|---|---|---|
| Processor | Samsung Exynos 8895 | MediaTek Dimensity 9500 | |
| AnTuTu | 435852 | 4704310 | |
| Geekbench Single | 419 | 3293 | |
| Geekbench Multi | 1445 | 10243 | |
| Display | 5.8" AMOLED | 6.8" LTPO AMOLED | |
| Resolution | — | 1440x3168 | |
| Refresh rate | 60 Hz | 144 Hz | |
| Battery | 3000 mAh | 8000 mAh | |
| Charging | — | 100W | |
| Main camera | 12 MP | 200 MP | |
| Ultrawide | 0 MP | 50 MP | |
| Front camera | 8 MP | 16 MP | |
| RAM | 4GB | 12GB / 16GB | |
| Storage | 64GB | 256GB / 512GB / 1TB | |
| OS | — | Android 16 | |
| NFC | yes | yes | |
| Protection | IP68 | IP68 | |
| Dimensions | 159.5×73.4×8.1 mm | — | |
| Weight | 155 g | 216 g | |
| Launch price | $720 | $499 |
Camera comparison
Samsung Galaxy S8
- Main: 12MP
- Front: 8MP
Vivo iQOO 15T
- Main: 200MP f/1.8
- Ultrawide: 50MP
- Front: 16MP
Display comparison
Samsung Galaxy S8
- 5.8" AMOLED
- Refresh rate: 60 Hz
Vivo iQOO 15T
- 6.8" LTPO AMOLED
- Resolution: 1440x3168
- Refresh rate: 144 Hz
Battery and charging
Samsung Galaxy S8
- 3000 mAh
- Wireless: supported, wattage unknown
Vivo iQOO 15T
- 8000 mAh
- Wired: 100W
- No wireless charging
Overall performance score
We compared Samsung Galaxy S8 and Vivo iQOO 15T, covering their specs and all relevant benchmarks.
Vivo iQOO 15T leads Samsung Galaxy S8 by 90.7% in our overall performance rating.
Benchmarks
Launch prices and where to check today's
Launch price difference: $221. Vivo iQOO 15T was $221 cheaper at launch.
Detailed category analysis
performance
In the "performance" category, the Vivo iQOO 15T significantly outperforms the Samsung Galaxy S8 (97/100 vs 32/100).
display
In the "display" category, the Vivo iQOO 15T significantly outperforms the Samsung Galaxy S8 (99/100 vs 51/100).
camera
In the "camera" category, the Vivo iQOO 15T significantly outperforms the Samsung Galaxy S8 (65/100 vs 10/100).
battery
In the "battery" category, the Vivo iQOO 15T significantly outperforms the Samsung Galaxy S8 (75/100 vs 15/100).
portability
In the "portability" category, the Samsung Galaxy S8 significantly outperforms the Vivo iQOO 15T (82/100 vs 44/100).
Frequently asked questions
Which is better: the Samsung Galaxy S8 or the Vivo iQOO 15T?
The Vivo iQOO 15T significantly outperforms the Samsung Galaxy S8 by 54 points (82/100 vs 28/100).
What is the rating of the Samsung Galaxy S8 and the Vivo iQOO 15T?
The Samsung Galaxy S8 has a MobileRank rating of 28/100, the Vivo iQOO 15T — 82/100.
Which has the better camera: the Samsung Galaxy S8 or the Vivo iQOO 15T?
The Vivo iQOO 15T leads on camera score (65/100 vs 10/100).
Which is more powerful: the Samsung Galaxy S8 or the Vivo iQOO 15T?
The Vivo iQOO 15T leads on performance (97/100 vs 32/100).
Should you choose the Samsung Galaxy S8 over the Vivo iQOO 15T?
The Vivo iQOO 15T is a better fit for gamers and power users, those who care about battery life, budget-conscious buyers.