Redmi A3X vs Vivo iQOO 15 Ultra
The Redmi A3X (2025) runs on the MediaTek Helio G36, while the Vivo iQOO 15 Ultra (2026) runs on the Qualcomm Snapdragon 8 Elite Gen 5; launch prices were $80 and $799. By overall MobileRank rating, the Vivo iQOO 15 Ultra leads — 89/100 vs 21/100 (a 68-point difference). Key differences: the Vivo iQOO 15 Ultra has the bigger battery (7400 mAh vs 5000); the main camera is 8 MP vs 50 MP; the Vivo iQOO 15 Ultra is faster in AnTuTu (4,602,290 vs 195,539); the Vivo iQOO 15 Ultra has NFC for contactless payments, the Redmi A3X doesn't; the Redmi A3X is noticeably lighter (192g vs 227g).
Redmi A3X
Vivo iQOO 15 Ultra
- Lighter: 192g vs 227g
- Cheaper at launch: $80 vs $799
- Better portability (61/100 vs 35/100)
- Higher AnTuTu: 4602290 vs 195539
- Better Geekbench Single: 3640 vs 189
- Better Geekbench Multi: 11033 vs 781
- Bigger battery: 7400 vs 5000 mAh
- Faster charging: 120W vs 10W
- Better main camera: 50MP vs 8MP
- Higher refresh rate: 144Hz vs 60Hz
- Higher performance (99/100 vs 11/100)
- Better camera (78/100 vs 10/100)
- Longer battery life (92/100 vs 43/100)
- Better display (99/100 vs 32/100)
Comparing the Redmi A3X vs the Vivo iQOO 15 Ultra, the Vivo iQOO 15 Ultra scores 68 points higher (89/100 vs 21/100). In the "performance" category, the Vivo iQOO 15 Ultra leads (99/100 vs 11/100). In the "camera" category, the Vivo iQOO 15 Ultra leads (78/100 vs 10/100). In the "battery" category, the Vivo iQOO 15 Ultra leads (92/100 vs 43/100). Value score: Redmi A3X — 26/100, Vivo iQOO 15 Ultra — 90/100; it is biased by price level, so it should not be compared directly between devices at different prices. In the "performance" category, the Vivo iQOO 15 Ultra significantly outperforms the Redmi A3X (99/100 vs 11/100). In the "display" category, the Vivo iQOO 15 Ultra significantly outperforms the Redmi A3X (99/100 vs 32/100). In the "camera" category, the Vivo iQOO 15 Ultra significantly outperforms the Redmi A3X (78/100 vs 10/100). In the "battery" category, the Vivo iQOO 15 Ultra significantly outperforms the Redmi A3X (92/100 vs 43/100). In the "portability" category, the Redmi A3X notably outperforms the Vivo iQOO 15 Ultra (61/100 vs 35/100).
| Specification | Redmi A3X | Vivo iQOO 15 Ultra | |
|---|---|---|---|
| Processor | MediaTek Helio G36 | Qualcomm Snapdragon 8 Elite Gen 5 | |
| AnTuTu | 195539 | 4602290 | |
| Geekbench Single | 189 | 3640 | |
| Geekbench Multi | 781 | 11033 | |
| Display | 6.7" IPS LCD | 6.8" LTPO AMOLED | |
| Resolution | 720x1650 | 1440x3168 | |
| Refresh rate | 60 Hz | 144 Hz | |
| Battery | 5000 mAh | 7400 mAh | |
| Charging | 10W | 120W | |
| Wireless charging | 0W | 50W | |
| Main camera | 8 MP | 50 MP | |
| Ultrawide | 0 MP | 50 MP | |
| Telephoto | 0 MP | 50 MP | |
| Front camera | 5 MP | 32 MP | |
| RAM | 2GB / 3GB | 12GB / 16GB / 24GB | |
| Storage | 32GB / 64GB | 256GB / 512GB / 1TB | |
| OS | Android 14, up to 2 major Android upgrades, MIUI | Android 16 | |
| Brightness (peak) | 500 nits | 8000 nits | |
| NFC | no | yes | |
| Protection | — | IP68 | |
| Dimensions | 168.4×76.3×8.3 mm | 163.7×76.8×8.7 mm | |
| Weight | 192 g | 227 g | |
| Launch price | $80 | $799 |
Redmi A3X
- Main: 8MP
- Front: 5MP
Vivo iQOO 15 Ultra
- Main: 50MP f/f/1.9
- Ultrawide: 50MP
- Telephoto: 50MP
- Front: 32MP
Redmi A3X
- 6.7" IPS LCD
- Resolution: 720x1650
- Refresh rate: 60 Hz
Vivo iQOO 15 Ultra
- 6.8" LTPO AMOLED
- Resolution: 1440x3168
- Refresh rate: 144 Hz
Redmi A3X
- 5000 mAh
- Wired: 10W
- No wireless charging
Vivo iQOO 15 Ultra
- 7400 mAh
- Wired: 120W
- Wireless: 50W
We compared Redmi A3X and Vivo iQOO 15 Ultra, covering their specs and all relevant benchmarks.
Vivo iQOO 15 Ultra leads Redmi A3X by 95.8% in our overall performance rating.
Launch price difference: $719. Redmi A3X was $719 cheaper at launch.
performance
In the "performance" category, the Vivo iQOO 15 Ultra significantly outperforms the Redmi A3X (99/100 vs 11/100).
display
In the "display" category, the Vivo iQOO 15 Ultra significantly outperforms the Redmi A3X (99/100 vs 32/100).
camera
In the "camera" category, the Vivo iQOO 15 Ultra significantly outperforms the Redmi A3X (78/100 vs 10/100).
battery
In the "battery" category, the Vivo iQOO 15 Ultra significantly outperforms the Redmi A3X (92/100 vs 43/100).
portability
In the "portability" category, the Redmi A3X notably outperforms the Vivo iQOO 15 Ultra (61/100 vs 35/100).
Which is better: the Redmi A3X or the Vivo iQOO 15 Ultra?
The Vivo iQOO 15 Ultra significantly outperforms the Redmi A3X by 68 points (89/100 vs 21/100).
What is the rating of the Redmi A3X and the Vivo iQOO 15 Ultra?
The Redmi A3X has a MobileRank rating of 21/100, the Vivo iQOO 15 Ultra — 89/100.
Which has the better camera: the Redmi A3X or the Vivo iQOO 15 Ultra?
The Vivo iQOO 15 Ultra leads on camera score (78/100 vs 10/100).
Which is more powerful: the Redmi A3X or the Vivo iQOO 15 Ultra?
The Vivo iQOO 15 Ultra leads on performance (99/100 vs 11/100).
Should you choose the Redmi A3X over the Vivo iQOO 15 Ultra?
The Redmi A3X 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, budget-conscious buyers.