Redmi K80 Ultra vs Samsung Galaxy A55
The Redmi K80 Ultra (2025) runs on the MediaTek Dimensity 9400+, while the Samsung Galaxy A55 (2024) runs on the Samsung Exynos 1480; launch prices were $350 and $449. By overall MobileRank rating, the Redmi K80 Ultra leads — 73/100 vs 55/100 (a 18-point difference). Key differences: the Redmi K80 Ultra has the bigger battery (7410 mAh vs 5000); the Redmi K80 Ultra is faster in AnTuTu (2,874,956 vs 1,021,736).
Profile comparison
Category scores
Redmi K80 Ultra
Samsung Galaxy A55
What makes Redmi K80 Ultra better?
- Higher AnTuTu: 2874956 vs 1021736
- Better Geekbench Single: 2729 vs 1050
- Better Geekbench Multi: 8430 vs 3200
- Bigger battery: 7410 vs 5000 mAh
- Faster charging: 100W vs 25W
- Higher refresh rate: 144Hz vs 120Hz
- Cheaper at launch: $350 vs $449
- Higher performance (89/100 vs 58/100)
- Longer battery life (86/100 vs 44/100)
- Better display (94/100 vs 79/100)
What makes Samsung Galaxy A55 better?
- Lighter: 213g vs 219g
- Better camera (48/100 vs 37/100)
- Better portability (49/100 vs 40/100)
Comparison verdict
Comparing the Redmi K80 Ultra vs the Samsung Galaxy A55, the Redmi K80 Ultra scores 18 points higher (73/100 vs 55/100). In the "performance" category, the Redmi K80 Ultra leads (89/100 vs 58/100). In the "camera" category, the Samsung Galaxy A55 leads (48/100 vs 37/100). In the "battery" category, the Redmi K80 Ultra leads (86/100 vs 44/100). Value score: Redmi K80 Ultra — 80/100, Samsung Galaxy A55 — 34/100; 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 Samsung Galaxy A55 (89/100 vs 58/100). In the "display" category, the Redmi K80 Ultra notably outperforms the Samsung Galaxy A55 (94/100 vs 79/100). In the "camera" category, the Samsung Galaxy A55 is a bit better (48/100 vs 37/100). In the "battery" category, the Redmi K80 Ultra significantly outperforms the Samsung Galaxy A55 (86/100 vs 44/100). In the "portability" category, the Samsung Galaxy A55 is a bit better (49/100 vs 40/100).
Specs comparison
| Specification | Redmi K80 Ultra | Samsung Galaxy A55 | |
|---|---|---|---|
| Processor | MediaTek Dimensity 9400+ | Samsung Exynos 1480 | |
| AnTuTu | 2874956 | 1021736 | |
| Geekbench Single | 2729 | 1050 | |
| Geekbench Multi | 8430 | 3200 | |
| Display | 6.8" OLED | 6.6" Super AMOLED | |
| Resolution | 1280x2772 | 2340x1080 | |
| Refresh rate | 144 Hz | 120 Hz | |
| Battery | 7410 mAh | 5000 mAh | |
| Charging | 100W | 25W | |
| DXOMark (camera) | — | 108 | |
| Main camera | 50 MP | 50 MP | |
| Ultrawide | 8 MP | 12 MP | |
| Front camera | 20 MP | 13 MP | |
| RAM | 12GB / 16GB | 8GB | |
| Storage | 256GB / 512GB / 1TB | 128GB / 256GB | |
| OS | Android 15 | Android 14 / One UI 6.1 | |
| Brightness (peak) | 3200 nits | 1000 nits | |
| NFC | yes | yes | |
| Protection | IP68 | IP67 | |
| Dimensions | — | 161.1×77.4×8.2 mm | |
| Weight | 219 g | 213 g | |
| Launch price | $350 | $449 |
Camera comparison
Redmi K80 Ultra
- Main: 50MP f/1.9
- Ultrawide: 8MP
- Front: 20MP
Samsung Galaxy A55
- Main: 50MP f/1.8
- Ultrawide: 12MP
- Front: 13MP
Display comparison
Redmi K80 Ultra
- 6.8" OLED
- Resolution: 1280x2772
- Refresh rate: 144 Hz
Samsung Galaxy A55
- 6.6" Super AMOLED
- Resolution: 2340x1080
- Refresh rate: 120 Hz
Battery and charging
Redmi K80 Ultra
- 7410 mAh
- Wired: 100W
- Wireless charging: no data
Samsung Galaxy A55
- 5000 mAh
- Wired: 25W
- No wireless charging
Overall performance score
We compared Redmi K80 Ultra and Samsung Galaxy A55, covering their specs and all relevant benchmarks.
Redmi K80 Ultra leads Samsung Galaxy A55 by 181.4% in our overall performance rating.
Benchmarks
Launch prices and where to check today's
Launch price difference: $99. Redmi K80 Ultra was $99 cheaper at launch.
Detailed category analysis
performance
In the "performance" category, the Redmi K80 Ultra significantly outperforms the Samsung Galaxy A55 (89/100 vs 58/100).
display
In the "display" category, the Redmi K80 Ultra notably outperforms the Samsung Galaxy A55 (94/100 vs 79/100).
camera
In the "camera" category, the Samsung Galaxy A55 is a bit better (48/100 vs 37/100).
battery
In the "battery" category, the Redmi K80 Ultra significantly outperforms the Samsung Galaxy A55 (86/100 vs 44/100).
portability
In the "portability" category, the Samsung Galaxy A55 is a bit better (49/100 vs 40/100).
Frequently asked questions
Which is better: the Redmi K80 Ultra or the Samsung Galaxy A55?
The Redmi K80 Ultra is noticeably better than the Samsung Galaxy A55 — the overall rating gap is 18 points.
What is the rating of the Redmi K80 Ultra and the Samsung Galaxy A55?
The Redmi K80 Ultra has a MobileRank rating of 73/100, the Samsung Galaxy A55 — 55/100.
Which has the better camera: the Redmi K80 Ultra or the Samsung Galaxy A55?
The Samsung Galaxy A55 leads on camera score (48/100 vs 37/100).
Which is more powerful: the Redmi K80 Ultra or the Samsung Galaxy A55?
The Redmi K80 Ultra leads on performance (89/100 vs 58/100).
Should you choose the Redmi K80 Ultra over the Samsung Galaxy A55?
The Redmi K80 Ultra is a better fit for gamers and power users, those who care about battery life, budget-conscious buyers.