Vivo X300 Ultra vs Xiaomi Mi A3
The Vivo X300 Ultra (2026) runs on the Qualcomm Snapdragon 8 Elite Gen 5, while the Xiaomi Mi A3 (2019) runs on the Qualcomm Snapdragon 665. By overall MobileRank rating, the Vivo X300 Ultra leads — 91/100 vs 36/100 (a 55-point difference). Key differences: the Vivo X300 Ultra has the bigger battery (7000 mAh vs 4030); the main camera is 200 MP vs 48 MP; the Vivo X300 Ultra is faster in AnTuTu (4,247,433 vs 329,457); the Vivo X300 Ultra has NFC for contactless payments, the Xiaomi Mi A3 doesn't; the Xiaomi Mi A3 is noticeably lighter (173g vs 230g).
Profile comparison
Category scores
Vivo X300 Ultra
Xiaomi Mi A3
What makes Vivo X300 Ultra better?
- Higher AnTuTu: 4247433 vs 329457
- Better Geekbench Single: 3639 vs 321
- Better Geekbench Multi: 11047 vs 1128
- Bigger battery: 7000 vs 4030 mAh
- Faster charging: 100W vs 18W
- Better main camera: 200MP vs 48MP
- Higher performance (99/100 vs 24/100)
- Better camera (96/100 vs 39/100)
- Longer battery life (85/100 vs 22/100)
- Better display (89/100 vs 66/100)
What makes Xiaomi Mi A3 better?
- Lighter: 173g vs 230g
- Better portability (70/100 vs 39/100)
Comparison verdict
Comparing the Vivo X300 Ultra vs the Xiaomi Mi A3, the Vivo X300 Ultra scores 55 points higher (91/100 vs 36/100). In the "performance" category, the Vivo X300 Ultra leads (99/100 vs 24/100). In the "camera" category, the Vivo X300 Ultra leads (96/100 vs 39/100). In the "battery" category, the Vivo X300 Ultra leads (85/100 vs 22/100). In the "performance" category, the Vivo X300 Ultra significantly outperforms the Xiaomi Mi A3 (99/100 vs 24/100). In the "display" category, the Vivo X300 Ultra notably outperforms the Xiaomi Mi A3 (89/100 vs 66/100). In the "camera" category, the Vivo X300 Ultra significantly outperforms the Xiaomi Mi A3 (96/100 vs 39/100). In the "battery" category, the Vivo X300 Ultra significantly outperforms the Xiaomi Mi A3 (85/100 vs 22/100). In the "portability" category, the Xiaomi Mi A3 significantly outperforms the Vivo X300 Ultra (70/100 vs 39/100).
Specs comparison
| Specification | Vivo X300 Ultra | Xiaomi Mi A3 | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 8 Elite Gen 5 | Qualcomm Snapdragon 665 | |
| AnTuTu | 4247433 | 329457 | |
| Geekbench Single | 3639 | 321 | |
| Geekbench Multi | 11047 | 1128 | |
| Display | 6.8" LTPO OLED | 6.0" Super AMOLED | |
| Resolution | 3168x1440 | 720x1560 | |
| Refresh rate | 120 Hz | — | |
| Battery | 7000 mAh | 4030 mAh | |
| Charging | 100W | 18W | |
| Wireless charging | 40W | 0W | |
| DXOMark (camera) | 170 | — | |
| Main camera | 200 MP | 48 MP | |
| Ultrawide | 50 MP | 8 MP | |
| Telephoto | 200 MP | 0 MP | |
| Front camera | 32 MP | 32 MP | |
| RAM | 12GB / 16GB | 4GB | |
| Storage | 256GB / 512GB / 1TB | 128GB | |
| OS | Android 16 | Android 9.0 (Pie); Android One | |
| NFC | yes | no | |
| Protection | IP69 | — | |
| Dimensions | 163.0×76.8×8.2 mm | 153.5×71.9×8.5 mm | |
| Weight | 230 g | 173 g | |
| Launch price | $950 | — |
Camera comparison
Vivo X300 Ultra
- Main: 200MP f/1.6
- Ultrawide: 50MP
- Telephoto: 200MP
- Front: 32MP
Xiaomi Mi A3
- Main: 48MP f/1.8
- Ultrawide: 8MP
- Front: 32MP
Display comparison
Vivo X300 Ultra
- 6.8" LTPO OLED
- Resolution: 3168x1440
- Refresh rate: 120 Hz
Xiaomi Mi A3
- 6.0" Super AMOLED
- Resolution: 720x1560
- Refresh rate: —
Battery and charging
Vivo X300 Ultra
- 7000 mAh
- NanoReview test: web browsing 10:18 hrs, total 29:11 hrs
- Wired: 100W
- Wireless: 40W
Xiaomi Mi A3
- 4030 mAh
- Wired: 18W
- No wireless charging
Overall performance score
We compared Vivo X300 Ultra and Xiaomi Mi A3, covering their specs and all relevant benchmarks.
Vivo X300 Ultra leads Xiaomi Mi A3 by 1189.2% in our overall performance rating.
Benchmarks
Launch prices and where to check today's
Xiaomi Mi A3
Price unknownDetailed category analysis
performance
In the "performance" category, the Vivo X300 Ultra significantly outperforms the Xiaomi Mi A3 (99/100 vs 24/100).
display
In the "display" category, the Vivo X300 Ultra notably outperforms the Xiaomi Mi A3 (89/100 vs 66/100).
camera
In the "camera" category, the Vivo X300 Ultra significantly outperforms the Xiaomi Mi A3 (96/100 vs 39/100).
battery
In the "battery" category, the Vivo X300 Ultra significantly outperforms the Xiaomi Mi A3 (85/100 vs 22/100).
portability
In the "portability" category, the Xiaomi Mi A3 significantly outperforms the Vivo X300 Ultra (70/100 vs 39/100).
Frequently asked questions
Which is better: the Vivo X300 Ultra or the Xiaomi Mi A3?
The Vivo X300 Ultra significantly outperforms the Xiaomi Mi A3 by 55 points (91/100 vs 36/100).
What is the rating of the Vivo X300 Ultra and the Xiaomi Mi A3?
The Vivo X300 Ultra has a MobileRank rating of 91/100, the Xiaomi Mi A3 — 36/100.
Which has the better camera: the Vivo X300 Ultra or the Xiaomi Mi A3?
The Vivo X300 Ultra leads on camera score (96/100 vs 39/100).
Which is more powerful: the Vivo X300 Ultra or the Xiaomi Mi A3?
The Vivo X300 Ultra leads on performance (99/100 vs 24/100).
Should you choose the Vivo X300 Ultra over the Xiaomi Mi A3?
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.