Samsung Galaxy S8 vs Vivo iQOO 15
The Samsung Galaxy S8 (2017) runs on the Samsung Exynos 8895, while the Vivo iQOO 15 (2025) runs on the Qualcomm Snapdragon 8 Elite; estimated prices are $720 and $599. By overall MobileRank rating, the Vivo iQOO 15 leads — 86/100 vs 28/100 (a 58-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 (3,740,528 vs 437,463); the Samsung Galaxy S8 is noticeably lighter (155g vs 215g).
Samsung Galaxy S8
Vivo iQOO 15
- Lighter: 155g vs 215g
- Better portability (82/100 vs 48/100)
- Higher AnTuTu: 3740528 vs 437463
- Better Geekbench Single: 3041 vs 419
- Better Geekbench Multi: 9494 vs 1445
- Bigger battery: 7000 vs 3000 mAh
- Better main camera: 50MP vs 12MP
- Higher refresh rate: 144Hz vs 60Hz
- Cheaper: $599 vs $720
- Higher performance (94/100 vs 32/100)
- Better camera (78/100 vs 10/100)
- Longer battery life (85/100 vs 15/100)
- Better display (99/100 vs 51/100)
Comparing the Samsung Galaxy S8 vs the Vivo iQOO 15, the Vivo iQOO 15 scores 58 points higher (86/100 vs 28/100). In the "performance" category, the Vivo iQOO 15 leads (94/100 vs 32/100). 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). In the "performance" category, the Vivo iQOO 15 significantly outperforms the Samsung Galaxy S8 (94/100 vs 32/100). In the "display" category, the Vivo iQOO 15 significantly outperforms the Samsung Galaxy S8 (99/100 vs 51/100). In the "camera" category, the Vivo iQOO 15 significantly outperforms the Samsung Galaxy S8 (78/100 vs 10/100). In the "battery" category, the Vivo iQOO 15 significantly outperforms the Samsung Galaxy S8 (85/100 vs 15/100). In the "portability" category, the Samsung Galaxy S8 significantly outperforms the Vivo iQOO 15 (82/100 vs 48/100).
| Specification | Samsung Galaxy S8 | Vivo iQOO 15 | |
|---|---|---|---|
| Processor | Samsung Exynos 8895 | Qualcomm Snapdragon 8 Elite | |
| AnTuTu | 437463 | 3740528 | |
| Geekbench Single | 419 | 3041 | |
| Geekbench Multi | 1445 | 9494 | |
| 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 | 256GB / 512GB / 1TB | |
| OS | — | Android 16 | |
| Brightness (peak) | — | 6000 nits | |
| NFC | yes | yes | |
| Protection | IP68 | IP68 | |
| Dimensions | 159.5×73.4×8.1 mm | 163.7×76.8×8.1 mm | |
| Weight | 155 g | 215 g | |
| Price | $720 | $599 |
Samsung Galaxy S8
- Main: 12MP
- Front: 8MP
Vivo iQOO 15
- Main: 50MP f/f/1.9
- Ultrawide: 50MP
- Telephoto: 50MP
- Front: 32MP
Samsung Galaxy S8
- 5.8" AMOLED
- Refresh rate: 60 Hz
Vivo iQOO 15
- 6.8" LTPO AMOLED
- Resolution: 1440x3168
- Refresh rate: 144 Hz
Samsung Galaxy S8
- 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
We compared Samsung Galaxy S8 and Vivo iQOO 15, covering their specs and all relevant benchmarks.
Vivo iQOO 15 leads Samsung Galaxy S8 by 88.3% in our overall performance rating.
Price difference: $121. Vivo iQOO 15 is cheaper by $121.
performance
In the "performance" category, the Vivo iQOO 15 significantly outperforms the Samsung Galaxy S8 (94/100 vs 32/100).
display
In the "display" category, the Vivo iQOO 15 significantly outperforms the Samsung Galaxy S8 (99/100 vs 51/100).
camera
In the "camera" category, the Vivo iQOO 15 significantly outperforms the Samsung Galaxy S8 (78/100 vs 10/100).
battery
In the "battery" category, the Vivo iQOO 15 significantly outperforms the Samsung Galaxy S8 (85/100 vs 15/100).
portability
In the "portability" category, the Samsung Galaxy S8 significantly outperforms the Vivo iQOO 15 (82/100 vs 48/100).
Which is better: the Samsung Galaxy S8 or the Vivo iQOO 15?
The Vivo iQOO 15 significantly outperforms the Samsung Galaxy S8 by 58 points (86/100 vs 28/100).
What is the rating of the Samsung Galaxy S8 and the Vivo iQOO 15?
The Samsung Galaxy S8 has a MobileRank rating of 28/100, the Vivo iQOO 15 — 86/100.
Which has the better camera: the Samsung Galaxy S8 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 S8 or the Vivo iQOO 15?
The Vivo iQOO 15 leads on performance (94/100 vs 32/100).
Should you choose the Samsung Galaxy S8 over the Vivo iQOO 15?
The Samsung Galaxy S8 is a better fit for everyday use. The Vivo iQOO 15 is a better fit for gamers and power users, those who care about battery life.