Redmi A3X vs Vivo X300 Ultra
The Redmi A3X (2025) runs on the MediaTek Helio G36, while the Vivo X300 Ultra (2026) runs on the Qualcomm Snapdragon 8 Elite Gen 5; launch prices were $80 and $950. By overall MobileRank rating, the Vivo X300 Ultra leads — 91/100 vs 21/100 (a 70-point difference). Key differences: the Vivo X300 Ultra has the bigger battery (7000 mAh vs 5000); the main camera is 8 MP vs 200 MP; the Vivo X300 Ultra is faster in AnTuTu (4,247,433 vs 195,539); the Vivo X300 Ultra has NFC for contactless payments, the Redmi A3X doesn't; the Redmi A3X is noticeably lighter (192g vs 230g).
Redmi A3X
Vivo X300 Ultra
- Lighter: 192g vs 230g
- Cheaper at launch: $80 vs $950
- Better portability (61/100 vs 39/100)
- Higher AnTuTu: 4247433 vs 195539
- Better Geekbench Single: 3640 vs 189
- Better Geekbench Multi: 11033 vs 781
- Bigger battery: 7000 vs 5000 mAh
- Faster charging: 100W vs 10W
- Better main camera: 200MP vs 8MP
- Higher refresh rate: 120Hz vs 60Hz
- Higher performance (99/100 vs 11/100)
- Better camera (96/100 vs 10/100)
- Longer battery life (85/100 vs 43/100)
- Better display (89/100 vs 32/100)
Comparing the Redmi A3X vs the Vivo X300 Ultra, the Vivo X300 Ultra scores 70 points higher (91/100 vs 21/100). In the "performance" category, the Vivo X300 Ultra leads (99/100 vs 11/100). 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 43/100). Value score: Redmi A3X — 26/100, Vivo X300 Ultra — 94/100; it is biased by price level, so it should not be compared directly between devices at different prices. In the "performance" category, the Vivo X300 Ultra significantly outperforms the Redmi A3X (99/100 vs 11/100). In the "display" category, the Vivo X300 Ultra significantly outperforms the Redmi A3X (89/100 vs 32/100). In the "camera" category, the Vivo X300 Ultra significantly outperforms the Redmi A3X (96/100 vs 10/100). In the "battery" category, the Vivo X300 Ultra significantly outperforms the Redmi A3X (85/100 vs 43/100). In the "portability" category, the Redmi A3X notably outperforms the Vivo X300 Ultra (61/100 vs 39/100).
| Specification | Redmi A3X | Vivo X300 Ultra | |
|---|---|---|---|
| Processor | MediaTek Helio G36 | Qualcomm Snapdragon 8 Elite Gen 5 | |
| AnTuTu | 195539 | 4247433 | |
| Geekbench Single | 189 | 3640 | |
| Geekbench Multi | 781 | 11033 | |
| Display | 6.7" IPS LCD | 6.8" LTPO OLED | |
| Resolution | 720x1650 | 3168x1440 | |
| Refresh rate | 60 Hz | 120 Hz | |
| Battery | 5000 mAh | 7000 mAh | |
| Charging | 10W | 100W | |
| Wireless charging | 0W | 40W | |
| DXOMark (camera) | — | 170 | |
| Main camera | 8 MP | 200 MP | |
| Ultrawide | 0 MP | 50 MP | |
| Telephoto | 0 MP | 200 MP | |
| Front camera | 5 MP | 32 MP | |
| RAM | 2GB / 3GB | 12GB / 16GB | |
| Storage | 32GB / 64GB | 256GB / 512GB / 1TB | |
| OS | Android 14, up to 2 major Android upgrades, MIUI | Android 16 | |
| Brightness (peak) | 500 nits | — | |
| NFC | no | yes | |
| Protection | — | IP69 | |
| Dimensions | 168.4×76.3×8.3 mm | 163.0×76.8×8.2 mm | |
| Weight | 192 g | 230 g | |
| Launch price | $80 | $950 |
Redmi A3X
- Main: 8MP
- Front: 5MP
Vivo X300 Ultra
- Main: 200MP f/f/1.6
- Ultrawide: 50MP
- Telephoto: 200MP
- Front: 32MP
Redmi A3X
- 6.7" IPS LCD
- Resolution: 720x1650
- Refresh rate: 60 Hz
Vivo X300 Ultra
- 6.8" LTPO OLED
- Resolution: 3168x1440
- Refresh rate: 120 Hz
Redmi A3X
- 5000 mAh
- Wired: 10W
- No wireless charging
Vivo X300 Ultra
- 7000 mAh
- NanoReview test: web browsing 10:18 hrs, total 29:11 hrs
- Wired: 100W
- Wireless: 40W
We compared Redmi A3X and Vivo X300 Ultra, covering their specs and all relevant benchmarks.
Vivo X300 Ultra leads Redmi A3X by 95.4% in our overall performance rating.
Launch price difference: $870. Redmi A3X was $870 cheaper at launch.
performance
In the "performance" category, the Vivo X300 Ultra significantly outperforms the Redmi A3X (99/100 vs 11/100).
display
In the "display" category, the Vivo X300 Ultra significantly outperforms the Redmi A3X (89/100 vs 32/100).
camera
In the "camera" category, the Vivo X300 Ultra significantly outperforms the Redmi A3X (96/100 vs 10/100).
battery
In the "battery" category, the Vivo X300 Ultra significantly outperforms the Redmi A3X (85/100 vs 43/100).
portability
In the "portability" category, the Redmi A3X notably outperforms the Vivo X300 Ultra (61/100 vs 39/100).
Which is better: the Redmi A3X or the Vivo X300 Ultra?
The Vivo X300 Ultra significantly outperforms the Redmi A3X by 70 points (91/100 vs 21/100).
What is the rating of the Redmi A3X and the Vivo X300 Ultra?
The Redmi A3X has a MobileRank rating of 21/100, the Vivo X300 Ultra — 91/100.
Which has the better camera: the Redmi A3X or the Vivo X300 Ultra?
The Vivo X300 Ultra leads on camera score (96/100 vs 10/100).
Which is more powerful: the Redmi A3X or the Vivo X300 Ultra?
The Vivo X300 Ultra leads on performance (99/100 vs 11/100).
Should you choose the Redmi A3X over the Vivo X300 Ultra?
The Redmi A3X 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.