Infinix Smart 8 Plus vs Vivo iQOO 15 Ultra
The Infinix Smart 8 Plus (2024) runs on the MediaTek Helio G36, 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 29/100 (a 60-point difference). Key differences: the Vivo iQOO 15 Ultra has the bigger battery (7400 mAh vs 6000); the Vivo iQOO 15 Ultra is faster in AnTuTu (4,602,290 vs 193,858); the Vivo iQOO 15 Ultra has NFC for contactless payments, the Infinix Smart 8 Plus doesn't; the Infinix Smart 8 Plus is noticeably lighter (204g vs 227g).
Profile comparison
Category scores
Infinix Smart 8 Plus
Vivo iQOO 15 Ultra
What makes Infinix Smart 8 Plus better?
- Lighter: 204g vs 227g
- Better portability (46/100 vs 35/100)
What makes Vivo iQOO 15 Ultra better?
- Higher AnTuTu: 4602290 vs 193858
- Better Geekbench Single: 3639 vs 189
- Better Geekbench Multi: 11047 vs 781
- Bigger battery: 7400 vs 6000 mAh
- Faster charging: 120W vs 18W
- Higher refresh rate: 144Hz vs 90Hz
- Higher performance (99/100 vs 11/100)
- Longer battery life (92/100 vs 51/100)
- Better display (99/100 vs 44/100)
Comparison verdict
Comparing the Infinix Smart 8 Plus vs the Vivo iQOO 15 Ultra, the Vivo iQOO 15 Ultra scores 60 points higher (89/100 vs 29/100). In the "performance" category, the Vivo iQOO 15 Ultra leads (99/100 vs 11/100). In the "battery" category, the Vivo iQOO 15 Ultra leads (92/100 vs 51/100). In the "performance" category, the Vivo iQOO 15 Ultra significantly outperforms the Infinix Smart 8 Plus (99/100 vs 11/100). In the "display" category, the Vivo iQOO 15 Ultra significantly outperforms the Infinix Smart 8 Plus (99/100 vs 44/100). In the "battery" category, the Vivo iQOO 15 Ultra significantly outperforms the Infinix Smart 8 Plus (92/100 vs 51/100). In the "portability" category, the Infinix Smart 8 Plus is a bit better (46/100 vs 35/100).
Specs comparison
| Specification | Infinix Smart 8 Plus | Vivo iQOO 15 Ultra | |
|---|---|---|---|
| Processor | MediaTek Helio G36 | Qualcomm Snapdragon 8 Elite Gen 5 | |
| AnTuTu | 193858 | 4602290 | |
| Geekbench Single | 189 | 3639 | |
| Geekbench Multi | 781 | 11047 | |
| Display | 6.6" IPS LCD | 6.8" LTPO AMOLED | |
| Resolution | 720x1612 | 1440x3168 | |
| Refresh rate | 90 Hz | 144 Hz | |
| Battery | 6000 mAh | 7400 mAh | |
| Charging | 18W | 120W | |
| Wireless charging | 0W | 50W | |
| Main camera | — | 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 / 128GB | 256GB / 512GB / 1TB | |
| OS | Android 13 (Go edition), XOS 13 | Android 16 | |
| Brightness (peak) | 500 nits | 8000 nits | |
| NFC | no | yes | |
| Protection | — | IP68 | |
| Dimensions | 163.7×75.7×9.0 mm | 163.7×76.8×8.7 mm | |
| Weight | 204 g | 227 g | |
| Launch price | — | $799 |
Camera comparison
Infinix Smart 8 Plus
- Main: —
- Front: 8MP
Vivo iQOO 15 Ultra
- Main: 50MP f/1.9
- Ultrawide: 50MP
- Telephoto: 50MP
- Front: 32MP
Display comparison
Infinix Smart 8 Plus
- 6.6" IPS LCD
- Resolution: 720x1612
- Refresh rate: 90 Hz
Vivo iQOO 15 Ultra
- 6.8" LTPO AMOLED
- Resolution: 1440x3168
- Refresh rate: 144 Hz
Battery and charging
Infinix Smart 8 Plus
- 6000 mAh
- Wired: 18W
- No wireless charging
Vivo iQOO 15 Ultra
- 7400 mAh
- Wired: 120W
- Wireless: 50W
Overall performance score
We compared Infinix Smart 8 Plus and Vivo iQOO 15 Ultra, covering their specs and all relevant benchmarks.
Vivo iQOO 15 Ultra leads Infinix Smart 8 Plus by 95.8% in our overall performance rating.
Benchmarks
Launch prices and where to check today's
Infinix Smart 8 Plus
Price unknownDetailed category analysis
performance
In the "performance" category, the Vivo iQOO 15 Ultra significantly outperforms the Infinix Smart 8 Plus (99/100 vs 11/100).
display
In the "display" category, the Vivo iQOO 15 Ultra significantly outperforms the Infinix Smart 8 Plus (99/100 vs 44/100).
battery
In the "battery" category, the Vivo iQOO 15 Ultra significantly outperforms the Infinix Smart 8 Plus (92/100 vs 51/100).
portability
In the "portability" category, the Infinix Smart 8 Plus is a bit better (46/100 vs 35/100).
Frequently asked questions
Which is better: the Infinix Smart 8 Plus or the Vivo iQOO 15 Ultra?
The Vivo iQOO 15 Ultra significantly outperforms the Infinix Smart 8 Plus by 60 points (89/100 vs 29/100).
What is the rating of the Infinix Smart 8 Plus and the Vivo iQOO 15 Ultra?
The Infinix Smart 8 Plus has a MobileRank rating of 29/100, the Vivo iQOO 15 Ultra — 89/100.
Which is more powerful: the Infinix Smart 8 Plus or the Vivo iQOO 15 Ultra?
The Vivo iQOO 15 Ultra leads on performance (99/100 vs 11/100).
Should you choose the Infinix Smart 8 Plus 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.