Infinix S4 vs Vivo iQOO 15 Ultra
The Infinix S4 (2019) runs on the MediaTek Helio P22, while the Vivo iQOO 15 Ultra (2026) runs on the Qualcomm Snapdragon 8 Elite Gen 5. By overall MobileRank rating, the Vivo iQOO 15 Ultra leads — 89/100 vs 23/100 (a 66-point difference). Key differences: the Vivo iQOO 15 Ultra has the bigger battery (7400 mAh vs 4000); the main camera is 13 MP vs 50 MP; the Vivo iQOO 15 Ultra is faster in AnTuTu (4,602,290 vs 177,554); the Vivo iQOO 15 Ultra has NFC for contactless payments, the Infinix S4 doesn't; the Infinix S4 is noticeably lighter (154g vs 227g).
Profile comparison
Category scores
Infinix S4
Vivo iQOO 15 Ultra
What makes Infinix S4 better?
- Lighter: 154g vs 227g
- Better portability (84/100 vs 35/100)
What makes Vivo iQOO 15 Ultra better?
- Higher AnTuTu: 4602290 vs 177554
- Better Geekbench Single: 3639 vs 233
- Better Geekbench Multi: 11047 vs 723
- Bigger battery: 7400 vs 4000 mAh
- Better main camera: 50MP vs 13MP
- Higher performance (99/100 vs 10/100)
- Better camera (78/100 vs 18/100)
- Longer battery life (92/100 vs 32/100)
- Better display (99/100 vs 37/100)
Comparison verdict
Comparing the Infinix S4 vs the Vivo iQOO 15 Ultra, the Vivo iQOO 15 Ultra scores 66 points higher (89/100 vs 23/100). In the "performance" category, the Vivo iQOO 15 Ultra leads (99/100 vs 10/100). In the "camera" category, the Vivo iQOO 15 Ultra leads (78/100 vs 18/100). In the "battery" category, the Vivo iQOO 15 Ultra leads (92/100 vs 32/100). In the "performance" category, the Vivo iQOO 15 Ultra significantly outperforms the Infinix S4 (99/100 vs 10/100). In the "display" category, the Vivo iQOO 15 Ultra significantly outperforms the Infinix S4 (99/100 vs 37/100). In the "camera" category, the Vivo iQOO 15 Ultra significantly outperforms the Infinix S4 (78/100 vs 18/100). In the "battery" category, the Vivo iQOO 15 Ultra significantly outperforms the Infinix S4 (92/100 vs 32/100). In the "portability" category, the Infinix S4 significantly outperforms the Vivo iQOO 15 Ultra (84/100 vs 35/100).
Specs comparison
| Specification | Infinix S4 | Vivo iQOO 15 Ultra | |
|---|---|---|---|
| Processor | MediaTek Helio P22 | Qualcomm Snapdragon 8 Elite Gen 5 | |
| AnTuTu | 177554 | 4602290 | |
| Geekbench Single | 233 | 3639 | |
| Geekbench Multi | 723 | 11047 | |
| Display | 6.2" IPS LCD | 6.8" LTPO AMOLED | |
| Resolution | 720x1440 | 1440x3168 | |
| Refresh rate | — | 144 Hz | |
| Battery | 4000 mAh | 7400 mAh | |
| Charging | — | 120W | |
| Wireless charging | — | 50W | |
| Main camera | 13 MP | 50 MP | |
| Ultrawide | 0 MP | 50 MP | |
| Telephoto | 0 MP | 50 MP | |
| Front camera | 32 MP | 32 MP | |
| RAM | 3GB / 4GB | 12GB / 16GB / 24GB | |
| Storage | 32GB / 64GB | 256GB / 512GB / 1TB | |
| OS | Android 9.0 (Pie) | Android 16 | |
| Brightness (peak) | — | 8000 nits | |
| NFC | no | yes | |
| Protection | — | IP68 | |
| Dimensions | 156.0×75.0×7.9 mm | 163.7×76.8×8.7 mm | |
| Weight | 154 g | 227 g | |
| Launch price | — | $799 |
Camera comparison
Infinix S4
- Main: 13MP
- Front: 32MP
Vivo iQOO 15 Ultra
- Main: 50MP f/1.9
- Ultrawide: 50MP
- Telephoto: 50MP
- Front: 32MP
Display comparison
Infinix S4
- 6.2" IPS LCD
- Resolution: 720x1440
- Refresh rate: —
Vivo iQOO 15 Ultra
- 6.8" LTPO AMOLED
- Resolution: 1440x3168
- Refresh rate: 144 Hz
Battery and charging
Infinix S4
- 4000 mAh
- Wireless charging: no data
Vivo iQOO 15 Ultra
- 7400 mAh
- Wired: 120W
- Wireless: 50W
Overall performance score
We compared Infinix S4 and Vivo iQOO 15 Ultra, covering their specs and all relevant benchmarks.
Vivo iQOO 15 Ultra leads Infinix S4 by 96.1% in our overall performance rating.
Benchmarks
Launch prices and where to check today's
Infinix S4
Price unknownDetailed category analysis
performance
In the "performance" category, the Vivo iQOO 15 Ultra significantly outperforms the Infinix S4 (99/100 vs 10/100).
display
In the "display" category, the Vivo iQOO 15 Ultra significantly outperforms the Infinix S4 (99/100 vs 37/100).
camera
In the "camera" category, the Vivo iQOO 15 Ultra significantly outperforms the Infinix S4 (78/100 vs 18/100).
battery
In the "battery" category, the Vivo iQOO 15 Ultra significantly outperforms the Infinix S4 (92/100 vs 32/100).
portability
In the "portability" category, the Infinix S4 significantly outperforms the Vivo iQOO 15 Ultra (84/100 vs 35/100).
Frequently asked questions
Which is better: the Infinix S4 or the Vivo iQOO 15 Ultra?
The Vivo iQOO 15 Ultra significantly outperforms the Infinix S4 by 66 points (89/100 vs 23/100).
What is the rating of the Infinix S4 and the Vivo iQOO 15 Ultra?
The Infinix S4 has a MobileRank rating of 23/100, the Vivo iQOO 15 Ultra — 89/100.
Which has the better camera: the Infinix S4 or the Vivo iQOO 15 Ultra?
The Vivo iQOO 15 Ultra leads on camera score (78/100 vs 18/100).
Which is more powerful: the Infinix S4 or the Vivo iQOO 15 Ultra?
The Vivo iQOO 15 Ultra leads on performance (99/100 vs 10/100).
Should you choose the Infinix S4 over the Vivo iQOO 15 Ultra?
The Vivo iQOO 15 Ultra is a better fit for gamers and power users, those who care about battery life, budget-conscious buyers.