Redmi K80 Ultra vs Samsung Galaxy A03 Core
The Redmi K80 Ultra (2025) runs on the MediaTek Dimensity 9400+, while the Samsung Galaxy A03 Core (2022) runs on the Unisoc SC9863A; launch prices were $350 and $100. By overall MobileRank rating, the Redmi K80 Ultra leads — 73/100 vs 24/100 (a 49-point difference). Key differences: the Redmi K80 Ultra has the bigger battery (7410 mAh vs 5000); the main camera is 50 MP vs 8 MP; the Redmi K80 Ultra is faster in AnTuTu (2,874,956 vs 153,667); the Redmi K80 Ultra has NFC for contactless payments, the Samsung Galaxy A03 Core doesn't; the Samsung Galaxy A03 Core is noticeably lighter (196g vs 219g).
Profile comparison
Category scores
Redmi K80 Ultra
Samsung Galaxy A03 Core
What makes Redmi K80 Ultra better?
- Higher AnTuTu: 2874956 vs 153667
- Better Geekbench Single: 2729 vs 205
- Better Geekbench Multi: 8430 vs 846
- Bigger battery: 7410 vs 5000 mAh
- Better main camera: 50MP vs 8MP
- Higher refresh rate: 144Hz vs 60Hz
- Higher performance (89/100 vs 9/100)
- Better camera (37/100 vs 10/100)
- Longer battery life (86/100 vs 66/100)
- Better display (94/100 vs 32/100)
What makes Samsung Galaxy A03 Core better?
- Lighter: 196g vs 219g
- Cheaper at launch: $100 vs $350
- Better portability (50/100 vs 40/100)
Comparison verdict
Comparing the Redmi K80 Ultra vs the Samsung Galaxy A03 Core, the Redmi K80 Ultra scores 49 points higher (73/100 vs 24/100). In the "performance" category, the Redmi K80 Ultra leads (89/100 vs 9/100). 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 66/100). Value score: Redmi K80 Ultra — 80/100, Samsung Galaxy A03 Core — 36/100; 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 A03 Core (89/100 vs 9/100). In the "display" category, the Redmi K80 Ultra significantly outperforms the Samsung Galaxy A03 Core (94/100 vs 32/100). In the "camera" category, the Redmi K80 Ultra notably outperforms the Samsung Galaxy A03 Core (37/100 vs 10/100). In the "battery" category, the Redmi K80 Ultra notably outperforms the Samsung Galaxy A03 Core (86/100 vs 66/100). In the "portability" category, the Samsung Galaxy A03 Core is a bit better (50/100 vs 40/100).
Specs comparison
| Specification | Redmi K80 Ultra | Samsung Galaxy A03 Core | |
|---|---|---|---|
| Processor | MediaTek Dimensity 9400+ | Unisoc SC9863A | |
| AnTuTu | 2874956 | 153667 | |
| Geekbench Single | 2729 | 205 | |
| Geekbench Multi | 8430 | 846 | |
| Display | 6.8" OLED | 6.5" IPS LCD | |
| Resolution | 1280x2772 | — | |
| Refresh rate | 144 Hz | 60 Hz | |
| Battery | 7410 mAh | 5000 mAh | |
| Charging | 100W | — | |
| Main camera | 50 MP | 8 MP | |
| Ultrawide | 8 MP | 0 MP | |
| Front camera | 20 MP | 5 MP | |
| RAM | 12GB / 16GB | 2GB | |
| Storage | 256GB / 512GB / 1TB | 32GB | |
| OS | Android 15 | — | |
| Brightness (peak) | 3200 nits | — | |
| NFC | yes | no | |
| Protection | IP68 | — | |
| Dimensions | — | 164.2×75.9×9.1 mm | |
| Weight | 219 g | 196 g | |
| Launch price | $350 | $100 |
Camera comparison
Redmi K80 Ultra
- Main: 50MP f/1.9
- Ultrawide: 8MP
- Front: 20MP
Samsung Galaxy A03 Core
- Main: 8MP
- Front: 5MP
Display comparison
Redmi K80 Ultra
- 6.8" OLED
- Resolution: 1280x2772
- Refresh rate: 144 Hz
Samsung Galaxy A03 Core
- 6.5" IPS LCD
- Refresh rate: 60 Hz
Battery and charging
Redmi K80 Ultra
- 7410 mAh
- Wired: 100W
- Wireless charging: no data
Samsung Galaxy A03 Core
- 5000 mAh
- Wireless charging: no data
Overall performance score
We compared Redmi K80 Ultra and Samsung Galaxy A03 Core, covering their specs and all relevant benchmarks.
Redmi K80 Ultra leads Samsung Galaxy A03 Core by 1770.9% in our overall performance rating.
Benchmarks
Launch prices and where to check today's
Launch price difference: $250. Samsung Galaxy A03 Core was $250 cheaper at launch.
Detailed category analysis
performance
In the "performance" category, the Redmi K80 Ultra significantly outperforms the Samsung Galaxy A03 Core (89/100 vs 9/100).
display
In the "display" category, the Redmi K80 Ultra significantly outperforms the Samsung Galaxy A03 Core (94/100 vs 32/100).
camera
In the "camera" category, the Redmi K80 Ultra notably outperforms the Samsung Galaxy A03 Core (37/100 vs 10/100).
battery
In the "battery" category, the Redmi K80 Ultra notably outperforms the Samsung Galaxy A03 Core (86/100 vs 66/100).
portability
In the "portability" category, the Samsung Galaxy A03 Core is a bit better (50/100 vs 40/100).
Frequently asked questions
Which is better: the Redmi K80 Ultra or the Samsung Galaxy A03 Core?
The Redmi K80 Ultra significantly outperforms the Samsung Galaxy A03 Core by 49 points (73/100 vs 24/100).
What is the rating of the Redmi K80 Ultra and the Samsung Galaxy A03 Core?
The Redmi K80 Ultra has a MobileRank rating of 73/100, the Samsung Galaxy A03 Core — 24/100.
Which has the better camera: the Redmi K80 Ultra or the Samsung Galaxy A03 Core?
The Redmi K80 Ultra leads on camera score (37/100 vs 10/100).
Which is more powerful: the Redmi K80 Ultra or the Samsung Galaxy A03 Core?
The Redmi K80 Ultra leads on performance (89/100 vs 9/100).
Should you choose the Redmi K80 Ultra over the Samsung Galaxy A03 Core?
The Redmi K80 Ultra is a better fit for gamers and power users, those who care about battery life, budget-conscious buyers.