Redmi A3X vs Redmi K80 Ultra
The Redmi A3X (2025) runs on the MediaTek Helio G36, while the Redmi K80 Ultra (2025) runs on the MediaTek Dimensity 9400+; launch prices were $80 and $350. By overall MobileRank rating, the Redmi K80 Ultra leads — 73/100 vs 21/100 (a 52-point difference). Key differences: the Redmi K80 Ultra has the bigger battery (7410 mAh vs 5000); the main camera is 8 MP vs 50 MP; the Redmi K80 Ultra is faster in AnTuTu (2,874,956 vs 193,858); the Redmi K80 Ultra has NFC for contactless payments, the Redmi A3X doesn't; the Redmi A3X is noticeably lighter (192g vs 219g).
Profile comparison
Category scores
Redmi A3X
Redmi K80 Ultra
What makes Redmi A3X better?
- Lighter: 192g vs 219g
- Cheaper at launch: $80 vs $350
- Better portability (61/100 vs 40/100)
What makes Redmi K80 Ultra better?
- Higher AnTuTu: 2874956 vs 193858
- Better Geekbench Single: 2729 vs 189
- Better Geekbench Multi: 8430 vs 781
- Bigger battery: 7410 vs 5000 mAh
- Faster charging: 100W vs 10W
- Better main camera: 50MP vs 8MP
- Higher refresh rate: 144Hz vs 60Hz
- Higher performance (89/100 vs 11/100)
- Better camera (37/100 vs 10/100)
- Longer battery life (86/100 vs 43/100)
- Better display (94/100 vs 32/100)
Comparison verdict
Comparing the Redmi A3X vs the Redmi K80 Ultra, the Redmi K80 Ultra scores 52 points higher (73/100 vs 21/100). In the "performance" category, the Redmi K80 Ultra leads (89/100 vs 11/100). In the "camera" category, the Redmi K80 Ultra leads (37/100 vs 10/100). In the "battery" category, the Redmi K80 Ultra leads (86/100 vs 43/100). Value score: Redmi A3X — 38/100, Redmi K80 Ultra — 80/100; it shows how far a model sits above or below the usual level for its price, and is not part of the overall rating. In the "performance" category, the Redmi K80 Ultra significantly outperforms the Redmi A3X (89/100 vs 11/100). In the "display" category, the Redmi K80 Ultra significantly outperforms the Redmi A3X (94/100 vs 32/100). In the "camera" category, the Redmi K80 Ultra notably outperforms the Redmi A3X (37/100 vs 10/100). In the "battery" category, the Redmi K80 Ultra significantly outperforms the Redmi A3X (86/100 vs 43/100). In the "portability" category, the Redmi A3X notably outperforms the Redmi K80 Ultra (61/100 vs 40/100).
Specs comparison
| Specification | Redmi A3X | Redmi K80 Ultra | |
|---|---|---|---|
| Processor | MediaTek Helio G36 | MediaTek Dimensity 9400+ | |
| AnTuTu | 193858 | 2874956 | |
| Geekbench Single | 189 | 2729 | |
| Geekbench Multi | 781 | 8430 | |
| Display | 6.7" IPS LCD | 6.8" OLED | |
| Resolution | 720x1650 | 1280x2772 | |
| Refresh rate | 60 Hz | 144 Hz | |
| Battery | 5000 mAh | 7410 mAh | |
| Charging | 10W | 100W | |
| Main camera | 8 MP | 50 MP | |
| Ultrawide | 0 MP | 8 MP | |
| Front camera | 5 MP | 20 MP | |
| RAM | 2GB / 3GB | 12GB / 16GB | |
| Storage | 32GB / 64GB | 256GB / 512GB / 1TB | |
| OS | Android 14, up to 2 major Android upgrades, MIUI | Android 15 | |
| Brightness (peak) | 500 nits | 3200 nits | |
| NFC | no | yes | |
| Protection | — | IP68 | |
| Dimensions | 168.4×76.3×8.3 mm | — | |
| Weight | 192 g | 219 g | |
| Launch price | $80 | $350 |
Camera comparison
Redmi A3X
- Main: 8MP
- Front: 5MP
Redmi K80 Ultra
- Main: 50MP f/1.9
- Ultrawide: 8MP
- Front: 20MP
Display comparison
Redmi A3X
- 6.7" IPS LCD
- Resolution: 720x1650
- Refresh rate: 60 Hz
Redmi K80 Ultra
- 6.8" OLED
- Resolution: 1280x2772
- Refresh rate: 144 Hz
Battery and charging
Redmi A3X
- 5000 mAh
- Wired: 10W
- No wireless charging
Redmi K80 Ultra
- 7410 mAh
- Wired: 100W
- Wireless charging: no data
Overall performance score
We compared Redmi A3X and Redmi K80 Ultra, covering their specs and all relevant benchmarks.
Redmi K80 Ultra leads Redmi A3X by 93.3% in our overall performance rating.
Benchmarks
Launch prices and where to check today's
Launch price difference: $270. Redmi A3X was $270 cheaper at launch.
Detailed category analysis
performance
In the "performance" category, the Redmi K80 Ultra significantly outperforms the Redmi A3X (89/100 vs 11/100).
display
In the "display" category, the Redmi K80 Ultra significantly outperforms the Redmi A3X (94/100 vs 32/100).
camera
In the "camera" category, the Redmi K80 Ultra notably outperforms the Redmi A3X (37/100 vs 10/100).
battery
In the "battery" category, the Redmi K80 Ultra significantly outperforms the Redmi A3X (86/100 vs 43/100).
portability
In the "portability" category, the Redmi A3X notably outperforms the Redmi K80 Ultra (61/100 vs 40/100).
Frequently asked questions
Which is better: the Redmi A3X or the Redmi K80 Ultra?
The Redmi K80 Ultra significantly outperforms the Redmi A3X by 52 points (73/100 vs 21/100).
What is the rating of the Redmi A3X and the Redmi K80 Ultra?
The Redmi A3X has a MobileRank rating of 21/100, the Redmi K80 Ultra — 73/100.
Which has the better camera: the Redmi A3X or the Redmi K80 Ultra?
The Redmi K80 Ultra leads on camera score (37/100 vs 10/100).
Which is more powerful: the Redmi A3X or the Redmi K80 Ultra?
The Redmi K80 Ultra leads on performance (89/100 vs 11/100).
Should you choose the Redmi A3X over the Redmi K80 Ultra?
The Redmi K80 Ultra is a better fit for gamers and power users, those who care about battery life, budget-conscious buyers.