Samsung Galaxy S8 vs Vivo iQOO 15 Ultra
The Samsung Galaxy S8 (2017) runs on the Samsung Exynos 8895, while the Vivo iQOO 15 Ultra (2026) runs on the Qualcomm Snapdragon 8 Elite Gen 5; estimated prices are $720 and $799. By overall MobileRank rating, the Vivo iQOO 15 Ultra leads — 84/100 vs 7/100 (a 77-point difference). Key differences: the Vivo iQOO 15 Ultra has the bigger battery (7400 mAh vs 3000); the main camera is 12 MP vs 50 MP; the Vivo iQOO 15 Ultra is faster in AnTuTu (4,602,290 vs 437,463); the Samsung Galaxy S8 is noticeably lighter (155g vs 227g).
Samsung Galaxy S8
Vivo iQOO 15 Ultra
- Lighter: 155g vs 227g
- Cheaper: $720 vs $799
- Better design/ergonomics (100/100 vs 16/100)
- Better value for money (60/100 vs 55/100)
- Higher AnTuTu: 4602290 vs 437463
- Better Geekbench Single: 3640 vs 419
- Better Geekbench Multi: 11033 vs 1445
- Bigger battery: 7400 vs 3000 mAh
- Better main camera: 50MP vs 12MP
- Higher refresh rate: 144Hz vs 60Hz
- Higher performance (97/100 vs 0/100)
- Better camera (74/100 vs 0/100)
- Longer battery life (86/100 vs 0/100)
- Better display (100/100 vs 0/100)
Comparing the Samsung Galaxy S8 vs the Vivo iQOO 15 Ultra, the Vivo iQOO 15 Ultra scores 77 points higher (84/100 vs 7/100). In the "performance" category, the Vivo iQOO 15 Ultra leads (97/100 vs 0/100). In the "camera" category, the Vivo iQOO 15 Ultra leads (74/100 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 S8 (97/100 vs 0/100). In the "display" category, the Vivo iQOO 15 Ultra significantly outperforms the Samsung Galaxy S8 (100/100 vs 0/100). In the "camera" category, the Vivo iQOO 15 Ultra significantly outperforms the Samsung Galaxy S8 (74/100 vs 0/100). In the "battery" category, the Vivo iQOO 15 Ultra significantly outperforms the Samsung Galaxy S8 (86/100 vs 0/100). In the "design" category, the Samsung Galaxy S8 significantly outperforms the Vivo iQOO 15 Ultra (100/100 vs 16/100). In the "value for money" category, the Samsung Galaxy S8 is a bit better (60/100 vs 55/100).
| Specification | Samsung Galaxy S8 | Vivo iQOO 15 Ultra | |
|---|---|---|---|
| Processor | Samsung Exynos 8895 | Qualcomm Snapdragon 8 Elite Gen 5 | |
| AnTuTu | 437463 | 4602290 | |
| Geekbench Single | 419 | 3640 | |
| Geekbench Multi | 1445 | 11033 | |
| Display | 5.8" AMOLED | 6.8" LTPO AMOLED | |
| Resolution | — | 1440x3168 | |
| Refresh rate | 60 Hz | 144 Hz | |
| Battery | 3000 mAh | 7400 mAh | |
| Charging | — | 120W | |
| Wireless charging | 0W | 50W | |
| 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 / 24GB | |
| Storage | 64GB | 256GB / 512GB / 1TB | |
| OS | — | Android 16 | |
| Brightness (peak) | — | 8000 nits | |
| NFC | yes | yes | |
| Protection | IP68 | IP68 | |
| Dimensions | 159.5×73.4×8.1 mm | 163.7×76.8×8.7 mm | |
| Weight | 155 g | 227 g | |
| Price | $720 | $799 |
Samsung Galaxy S8
- Main: 12MP
- Front: 8MP
Vivo iQOO 15 Ultra
- 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 Ultra
- 6.8" LTPO AMOLED
- Resolution: 1440x3168
- Refresh rate: 144 Hz
Samsung Galaxy S8
- 3000 mAh
- No wireless charging
Vivo iQOO 15 Ultra
- 7400 mAh
- Wired: 120W
- Wireless: 50W
We compared Samsung Galaxy S8 and Vivo iQOO 15 Ultra, covering their specs and all relevant benchmarks.
Vivo iQOO 15 Ultra leads Samsung Galaxy S8 by 90.5% in our overall performance rating.
Price difference: $79. Samsung Galaxy S8 is cheaper by $79.
performance
In the "performance" category, the Vivo iQOO 15 Ultra significantly outperforms the Samsung Galaxy S8 (97/100 vs 0/100).
display
In the "display" category, the Vivo iQOO 15 Ultra significantly outperforms the Samsung Galaxy S8 (100/100 vs 0/100).
camera
In the "camera" category, the Vivo iQOO 15 Ultra significantly outperforms the Samsung Galaxy S8 (74/100 vs 0/100).
battery
In the "battery" category, the Vivo iQOO 15 Ultra significantly outperforms the Samsung Galaxy S8 (86/100 vs 0/100).
design
In the "design" category, the Samsung Galaxy S8 significantly outperforms the Vivo iQOO 15 Ultra (100/100 vs 16/100).
value for money
In the "value for money" category, the Samsung Galaxy S8 is a bit better (60/100 vs 55/100).
Which is better: the Samsung Galaxy S8 or the Vivo iQOO 15 Ultra?
The Vivo iQOO 15 Ultra significantly outperforms the Samsung Galaxy S8 by 77 points (84/100 vs 7/100).
What is the rating of the Samsung Galaxy S8 and the Vivo iQOO 15 Ultra?
The Samsung Galaxy S8 has a MobileRank rating of 7/100, the Vivo iQOO 15 Ultra — 84/100.
Which has the better camera: the Samsung Galaxy S8 or the Vivo iQOO 15 Ultra?
The Vivo iQOO 15 Ultra leads on camera score (74/100 vs 0/100).
Which is more powerful: the Samsung Galaxy S8 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 S8 over the Vivo iQOO 15 Ultra?
The Samsung Galaxy S8 is a better fit for everyday use. The Vivo iQOO 15 Ultra is a better fit for gamers and power users, those who care about battery life.