Redmi K80 Ultra vs Samsung Galaxy A57
The Redmi K80 Ultra (2025) runs on the MediaTek Dimensity 9400+, while the Samsung Galaxy A57 (2026) runs on the Samsung Exynos 1680; estimated prices are $350 and $350. By overall MobileRank rating, the Redmi K80 Ultra leads — 60/100 vs 38/100 (a 22-point difference). Key differences: the Redmi K80 Ultra has the bigger battery (7410 mAh vs 5000); the Redmi K80 Ultra is faster in AnTuTu (2,876,004 vs 1,357,223); the Samsung Galaxy A57 is noticeably lighter (183g vs 219g).
Redmi K80 Ultra
Samsung Galaxy A57
- Higher AnTuTu: 2876004 vs 1357223
- Better Geekbench Single: 2729 vs 1389
- Better Geekbench Multi: 8430 vs 4453
- Bigger battery: 7410 vs 5000 mAh
- Faster charging: 100W vs 25W
- Higher refresh rate: 144Hz vs 120Hz
- Higher performance (61/100 vs 16/100)
- Better camera (32/100 vs 29/100)
- Longer battery life (72/100 vs 37/100)
- Lighter: 183g vs 219g
- Better design/ergonomics (71/100 vs 26/100)
Comparing the Redmi K80 Ultra vs the Samsung Galaxy A57, the Redmi K80 Ultra scores 22 points higher (60/100 vs 38/100). In the "performance" category, the Redmi K80 Ultra leads (61/100 vs 16/100). In the "battery" category, the Redmi K80 Ultra leads (72/100 vs 37/100). In the "performance" category, the Redmi K80 Ultra significantly outperforms the Samsung Galaxy A57 (61/100 vs 16/100). In the "display" category, both devices are on the same level — 100/100. In the "camera" category, the Redmi K80 Ultra and the Samsung Galaxy A57 are nearly equal (32/100 vs 29/100). In the "battery" category, the Redmi K80 Ultra significantly outperforms the Samsung Galaxy A57 (72/100 vs 37/100). In the "design" category, the Samsung Galaxy A57 significantly outperforms the Redmi K80 Ultra (71/100 vs 26/100). In the "value for money" category, both devices are on the same level — 86/100.
| Specification | Redmi K80 Ultra | Samsung Galaxy A57 | |
|---|---|---|---|
| Processor | MediaTek Dimensity 9400+ | Samsung Exynos 1680 | |
| AnTuTu | 2876004 | 1357223 | |
| Geekbench Single | 2729 | 1389 | |
| Geekbench Multi | 8430 | 4453 | |
| Display | 6.8" OLED | 6.7" Super AMOLED | |
| Resolution | 1280x2772 | 2340x1080 | |
| Refresh rate | 144 Hz | 120 Hz | |
| Battery | 7410 mAh | 5000 mAh | |
| Charging | 100W | 25W | |
| Main camera | 50 MP | 50 MP | |
| Ultrawide | 8 MP | 8 MP | |
| Front camera | 20 MP | 13 MP | |
| RAM | 12GB / 16GB | 6GB / 8GB | |
| Storage | 256GB / 512GB / 1TB | 128GB / 256GB | |
| OS | Android 15 | Android 16 | |
| Brightness (peak) | 3200 nits | 1900 nits | |
| NFC | yes | yes | |
| Protection | IP68 | IP68 | |
| Dimensions | — | 161.5×76.8×6.9 mm | |
| Weight | 219 g | 183 g | |
| Price | $350 | $350 |
Redmi K80 Ultra
- Main: 50MP f/f/1.9
- Ultrawide: 8MP
- Front: 20MP
Samsung Galaxy A57
- Main: 50MP f/1.8
- Ultrawide: 8MP
- Front: 13MP
Redmi K80 Ultra
- 6.8" OLED
- Resolution: 1280x2772
- Refresh rate: 144 Hz
Samsung Galaxy A57
- 6.7" Super AMOLED
- Resolution: 2340x1080
- Refresh rate: 120 Hz
Redmi K80 Ultra
- 7410 mAh
- Wired: 100W
- No wireless charging
Samsung Galaxy A57
- 5000 mAh
- Wired: 25W
- No wireless charging
We compared Redmi K80 Ultra and Samsung Galaxy A57, covering their specs and all relevant benchmarks.
Redmi K80 Ultra leads Samsung Galaxy A57 by 111.9% in our overall performance rating.
Price difference: $0. Same price.
performance
In the "performance" category, the Redmi K80 Ultra significantly outperforms the Samsung Galaxy A57 (61/100 vs 16/100).
display
In the "display" category, both devices are on the same level — 100/100.
camera
In the "camera" category, the Redmi K80 Ultra and the Samsung Galaxy A57 are nearly equal (32/100 vs 29/100).
battery
In the "battery" category, the Redmi K80 Ultra significantly outperforms the Samsung Galaxy A57 (72/100 vs 37/100).
design
In the "design" category, the Samsung Galaxy A57 significantly outperforms the Redmi K80 Ultra (71/100 vs 26/100).
value for money
In the "value for money" category, both devices are on the same level — 86/100.
Which is better: the Redmi K80 Ultra or the Samsung Galaxy A57?
The Redmi K80 Ultra significantly outperforms the Samsung Galaxy A57 by 22 points (60/100 vs 38/100).
What is the rating of the Redmi K80 Ultra and the Samsung Galaxy A57?
The Redmi K80 Ultra has a MobileRank rating of 60/100, the Samsung Galaxy A57 — 38/100.
Which is more powerful: the Redmi K80 Ultra or the Samsung Galaxy A57?
The Redmi K80 Ultra leads on performance (61/100 vs 16/100).
Should you choose the Redmi K80 Ultra over the Samsung Galaxy A57?
The Redmi K80 Ultra is a better fit for active users, budget-conscious buyers. The Samsung Galaxy A57 is a better fit for budget-conscious buyers.