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).
Profile comparison
Category scores
Infinix Smart3 Plus
Vivo X300 Ultra
What makes Infinix Smart3 Plus better?
- Lighter: 148g vs 230g
- Better portability (85/100 vs 39/100)
What makes Vivo X300 Ultra better?
- Higher AnTuTu: 4247433 vs 155362
- Better Geekbench Single: 3639 vs 300
- Better Geekbench Multi: 11047 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)
Comparison verdict
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).
Specs comparison
| Specification | Infinix Smart3 Plus | Vivo X300 Ultra | |
|---|---|---|---|
| Processor | MediaTek Helio A22 | Qualcomm Snapdragon 8 Elite Gen 5 | |
| AnTuTu | 155362 | 4247433 | |
| Geekbench Single | 300 | 3639 | |
| Geekbench Multi | 486 | 11047 | |
| 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 |
Camera comparison
Infinix Smart3 Plus
- Main: 13MP f/1.8
- Front: 8MP
Vivo X300 Ultra
- Main: 200MP f/1.6
- Ultrawide: 50MP
- Telephoto: 200MP
- Front: 32MP
Display comparison
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
Battery and charging
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
Overall performance score
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.
Benchmarks
Launch prices and where to check today's
Infinix Smart3 Plus
Price unknownDetailed category analysis
performance
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).
Frequently asked questions
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 Vivo X300 Ultra is a better fit for gamers and power users, mobile photography enthusiasts, those who care about battery life, budget-conscious buyers.