Infinix Smart3 Plus vs Vivo X300 Ultra
The Infinix Smart3 Plus (2019) runs on the MediaTek Helio A22, while the Vivo X300 Ultra (2026) runs on the Qualcomm Snapdragon 8 Elite Gen 5. By overall MobileRank rating, the Vivo X300 Ultra leads — 91/100 vs 18/100 (a 73-point difference). Key differences: the Vivo X300 Ultra has the bigger battery (7000 mAh vs 3500); the main camera is 13 MP vs 200 MP; the Vivo X300 Ultra is faster in AnTuTu (4,247,433 vs 155,362); the Vivo X300 Ultra has NFC for contactless payments, the Infinix Smart3 Plus doesn't; the Infinix Smart3 Plus is noticeably lighter (148g vs 230g).
Infinix Smart3 Plus
Vivo X300 Ultra
- Lighter: 148g vs 230g
- Better portability (85/100 vs 39/100)
- Higher AnTuTu: 4247433 vs 155362
- Better Geekbench Single: 3640 vs 300
- Better Geekbench Multi: 11033 vs 486
- Bigger battery: 7000 vs 3500 mAh
- Better main camera: 200MP vs 13MP
- Higher performance (99/100 vs 10/100)
- Better camera (96/100 vs 10/100)
- Longer battery life (85/100 vs 15/100)
- Better display (89/100 vs 39/100)
Comparing the Infinix Smart3 Plus vs the Vivo X300 Ultra, the Vivo X300 Ultra scores 73 points higher (91/100 vs 18/100). In the "performance" category, the Vivo X300 Ultra leads (99/100 vs 10/100). In the "camera" category, the Vivo X300 Ultra leads (96/100 vs 10/100). In the "battery" category, the Vivo X300 Ultra leads (85/100 vs 15/100). In the "performance" category, the Vivo X300 Ultra significantly outperforms the Infinix Smart3 Plus (99/100 vs 10/100). In the "display" category, the Vivo X300 Ultra significantly outperforms the Infinix Smart3 Plus (89/100 vs 39/100). In the "camera" category, the Vivo X300 Ultra significantly outperforms the Infinix Smart3 Plus (96/100 vs 10/100). In the "battery" category, the Vivo X300 Ultra significantly outperforms the Infinix Smart3 Plus (85/100 vs 15/100). In the "portability" category, the Infinix Smart3 Plus significantly outperforms the Vivo X300 Ultra (85/100 vs 39/100).
| Specification | Infinix Smart3 Plus | Vivo X300 Ultra | |
|---|---|---|---|
| Processor | MediaTek Helio A22 | Qualcomm Snapdragon 8 Elite Gen 5 | |
| AnTuTu | 155362 | 4247433 | |
| Geekbench Single | 300 | 3640 | |
| Geekbench Multi | 486 | 11033 | |
| Display | 6.2" LTPS IPS LCD | 6.8" LTPO OLED | |
| Resolution | 720x1520 | 3168x1440 | |
| Refresh rate | — | 120 Hz | |
| Battery | 3500 mAh | 7000 mAh | |
| Charging | — | 100W | |
| Wireless charging | — | 40W | |
| DXOMark (camera) | — | 170 | |
| Main camera | 13 MP | 200 MP | |
| Ultrawide | 0 MP | 50 MP | |
| Telephoto | 0 MP | 200 MP | |
| Front camera | 8 MP | 32 MP | |
| RAM | 3GB | 12GB / 16GB | |
| Storage | 32GB | 256GB / 512GB / 1TB | |
| OS | Android 9.0 (Pie) | Android 16 | |
| NFC | no | yes | |
| Protection | — | IP69 | |
| Dimensions | 157.0×76.0×7.8 mm | 163.0×76.8×8.2 mm | |
| Weight | 148 g | 230 g | |
| Launch price | — | $950 |
Infinix Smart3 Plus
- Main: 13MP f/f/1.8
- Front: 8MP
Vivo X300 Ultra
- Main: 200MP f/f/1.6
- Ultrawide: 50MP
- Telephoto: 200MP
- Front: 32MP
Infinix Smart3 Plus
- 6.2" LTPS IPS LCD
- Resolution: 720x1520
- Refresh rate: —
Vivo X300 Ultra
- 6.8" LTPO OLED
- Resolution: 3168x1440
- Refresh rate: 120 Hz
Infinix Smart3 Plus
- 3500 mAh
- Wireless charging: no data
Vivo X300 Ultra
- 7000 mAh
- NanoReview test: web browsing 10:18 hrs, total 29:11 hrs
- Wired: 100W
- Wireless: 40W
We compared Infinix Smart3 Plus and Vivo X300 Ultra, covering their specs and all relevant benchmarks.
Vivo X300 Ultra leads Infinix Smart3 Plus by 96.3% in our overall performance rating.
Infinix Smart3 Plus
Price unknownperformance
In the "performance" category, the Vivo X300 Ultra significantly outperforms the Infinix Smart3 Plus (99/100 vs 10/100).
display
In the "display" category, the Vivo X300 Ultra significantly outperforms the Infinix Smart3 Plus (89/100 vs 39/100).
camera
In the "camera" category, the Vivo X300 Ultra significantly outperforms the Infinix Smart3 Plus (96/100 vs 10/100).
battery
In the "battery" category, the Vivo X300 Ultra significantly outperforms the Infinix Smart3 Plus (85/100 vs 15/100).
portability
In the "portability" category, the Infinix Smart3 Plus significantly outperforms the Vivo X300 Ultra (85/100 vs 39/100).
Which is better: the Infinix Smart3 Plus or the Vivo X300 Ultra?
The Vivo X300 Ultra significantly outperforms the Infinix Smart3 Plus by 73 points (91/100 vs 18/100).
What is the rating of the Infinix Smart3 Plus and the Vivo X300 Ultra?
The Infinix Smart3 Plus has a MobileRank rating of 18/100, the Vivo X300 Ultra — 91/100.
Which has the better camera: the Infinix Smart3 Plus or the Vivo X300 Ultra?
The Vivo X300 Ultra leads on camera score (96/100 vs 10/100).
Which is more powerful: the Infinix Smart3 Plus or the Vivo X300 Ultra?
The Vivo X300 Ultra leads on performance (99/100 vs 10/100).
Should you choose the Infinix Smart3 Plus over the Vivo X300 Ultra?
The Infinix Smart3 Plus is a better fit for everyday use. The Vivo X300 Ultra is a better fit for gamers and power users, mobile photography enthusiasts, those who care about battery life, budget-conscious buyers.