Infinix Smart 8 vs Vivo iQOO 15 Ultra
The Infinix Smart 8 (2023) runs on the Unisoc T606, 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 — 84/100 vs 17/100 (a 67-point difference). Key differences: the Vivo iQOO 15 Ultra has the bigger battery (7400 mAh vs 5000); the Vivo iQOO 15 Ultra is faster in AnTuTu (4,602,290 vs 330,006); the Vivo iQOO 15 Ultra has NFC for contactless payments, the Infinix Smart 8 doesn't; the Infinix Smart 8 is noticeably lighter (184g vs 227g).
Infinix Smart 8
Vivo iQOO 15 Ultra
- Lighter: 184g vs 227g
- Better design/ergonomics (70/100 vs 16/100)
- Higher AnTuTu: 4602290 vs 330006
- Better Geekbench Single: 3640 vs 378
- Better Geekbench Multi: 11033 vs 1335
- Bigger battery: 7400 vs 5000 mAh
- Faster charging: 120W vs 10W
- Higher refresh rate: 144Hz vs 90Hz
- Higher performance (97/100 vs 0/100)
- Better camera (74/100 vs 0/100)
- Longer battery life (86/100 vs 36/100)
- Better display (100/100 vs 50/100)
Comparing the Infinix Smart 8 vs the Vivo iQOO 15 Ultra, the Vivo iQOO 15 Ultra scores 67 points higher (84/100 vs 17/100). 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 36/100). In the "performance" category, the Vivo iQOO 15 Ultra significantly outperforms the Infinix Smart 8 (97/100 vs 0/100). In the "display" category, the Vivo iQOO 15 Ultra significantly outperforms the Infinix Smart 8 (100/100 vs 50/100). In the "camera" category, the Vivo iQOO 15 Ultra significantly outperforms the Infinix Smart 8 (74/100 vs 0/100). In the "battery" category, the Vivo iQOO 15 Ultra significantly outperforms the Infinix Smart 8 (86/100 vs 36/100). In the "design" category, the Infinix Smart 8 significantly outperforms the Vivo iQOO 15 Ultra (70/100 vs 16/100). In the "value for money" category, both devices are on the same level — 55/100.
| Specification | Infinix Smart 8 | Vivo iQOO 15 Ultra | |
|---|---|---|---|
| Processor | Unisoc T606 | Qualcomm Snapdragon 8 Elite Gen 5 | |
| AnTuTu | 330006 | 4602290 | |
| Geekbench Single | 378 | 3640 | |
| Geekbench Multi | 1335 | 11033 | |
| Display | 6.6" IPS LCD | 6.8" LTPO AMOLED | |
| Resolution | 720x1612 | 1440x3168 | |
| Refresh rate | 90 Hz | 144 Hz | |
| Battery | 5000 mAh | 7400 mAh | |
| Charging | 10W | 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 | 2GB / 3GB / 4GB | 12GB / 16GB / 24GB | |
| Storage | 64GB / 128GB | 256GB / 512GB / 1TB | |
| OS | Android 13 | Android 16 | |
| Brightness (peak) | 500 nits | 8000 nits | |
| NFC | no | yes | |
| Protection | — | IP68 | |
| Dimensions | 163.6×75.6×8.5 mm | 163.7×76.8×8.7 mm | |
| Weight | 184 g | 227 g | |
| Price | — | $799 |
Infinix Smart 8
- Main: —
- Front: 8MP
Vivo iQOO 15 Ultra
- Main: 50MP f/f/1.9
- Ultrawide: 50MP
- Telephoto: 50MP
- Front: 32MP
Infinix Smart 8
- 6.6" IPS LCD
- Resolution: 720x1612
- Refresh rate: 90 Hz
Vivo iQOO 15 Ultra
- 6.8" LTPO AMOLED
- Resolution: 1440x3168
- Refresh rate: 144 Hz
Infinix Smart 8
- 5000 mAh
- Wired: 10W
- No wireless charging
Vivo iQOO 15 Ultra
- 7400 mAh
- Wired: 120W
- Wireless: 50W
We compared Infinix Smart 8 and Vivo iQOO 15 Ultra, covering their specs and all relevant benchmarks.
Vivo iQOO 15 Ultra leads Infinix Smart 8 by 92.8% in our overall performance rating.
Infinix Smart 8
Price unknownperformance
In the "performance" category, the Vivo iQOO 15 Ultra significantly outperforms the Infinix Smart 8 (97/100 vs 0/100).
display
In the "display" category, the Vivo iQOO 15 Ultra significantly outperforms the Infinix Smart 8 (100/100 vs 50/100).
camera
In the "camera" category, the Vivo iQOO 15 Ultra significantly outperforms the Infinix Smart 8 (74/100 vs 0/100).
battery
In the "battery" category, the Vivo iQOO 15 Ultra significantly outperforms the Infinix Smart 8 (86/100 vs 36/100).
design
In the "design" category, the Infinix Smart 8 significantly outperforms the Vivo iQOO 15 Ultra (70/100 vs 16/100).
value for money
In the "value for money" category, both devices are on the same level — 55/100.
Which is better: the Infinix Smart 8 or the Vivo iQOO 15 Ultra?
The Vivo iQOO 15 Ultra significantly outperforms the Infinix Smart 8 by 67 points (84/100 vs 17/100).
What is the rating of the Infinix Smart 8 and the Vivo iQOO 15 Ultra?
The Infinix Smart 8 has a MobileRank rating of 17/100, the Vivo iQOO 15 Ultra — 84/100.
Which has the better camera: the Infinix Smart 8 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 Infinix Smart 8 or the Vivo iQOO 15 Ultra?
The Vivo iQOO 15 Ultra leads on performance (97/100 vs 0/100).
Should you choose the Infinix Smart 8 over the Vivo iQOO 15 Ultra?
The Infinix Smart 8 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.