Redmi K80 Ultra vs Samsung Galaxy A40
The Redmi K80 Ultra (2025) runs on the MediaTek Dimensity 9400+, while the Samsung Galaxy A40 (2019) runs on the Samsung Exynos 7904; estimated prices are $350 and $250. By overall MobileRank rating, the Redmi K80 Ultra leads — 60/100 vs 11/100 (a 49-point difference). Key differences: the Redmi K80 Ultra has the bigger battery (7410 mAh vs 3100); the main camera is 50 MP vs 16 MP; the Redmi K80 Ultra is faster in AnTuTu (2,876,004 vs 241,600); the Samsung Galaxy A40 is noticeably lighter (140g vs 219g).
Redmi K80 Ultra
Samsung Galaxy A40
- Higher AnTuTu: 2876004 vs 241600
- Better Geekbench Single: 2729 vs 330
- Better Geekbench Multi: 8430 vs 975
- Bigger battery: 7410 vs 3100 mAh
- Better main camera: 50MP vs 16MP
- Higher refresh rate: 144Hz vs 60Hz
- Higher performance (61/100 vs 0/100)
- Better camera (32/100 vs 8/100)
- Longer battery life (72/100 vs 0/100)
- Better display (100/100 vs 0/100)
- Lighter: 140g vs 219g
- Cheaper: $250 vs $350
- Better design/ergonomics (100/100 vs 26/100)
- Better value for money (93/100 vs 86/100)
Comparing the Redmi K80 Ultra vs the Samsung Galaxy A40, the Redmi K80 Ultra scores 49 points higher (60/100 vs 11/100). In the "performance" category, the Redmi K80 Ultra leads (61/100 vs 0/100). In the "camera" category, the Redmi K80 Ultra leads (32/100 vs 8/100). In the "battery" category, the Redmi K80 Ultra leads (72/100 vs 0/100). In the "performance" category, the Redmi K80 Ultra significantly outperforms the Samsung Galaxy A40 (61/100 vs 0/100). In the "display" category, the Redmi K80 Ultra significantly outperforms the Samsung Galaxy A40 (100/100 vs 0/100). In the "camera" category, the Redmi K80 Ultra notably outperforms the Samsung Galaxy A40 (32/100 vs 8/100). In the "battery" category, the Redmi K80 Ultra significantly outperforms the Samsung Galaxy A40 (72/100 vs 0/100). In the "design" category, the Samsung Galaxy A40 significantly outperforms the Redmi K80 Ultra (100/100 vs 26/100). In the "value for money" category, the Samsung Galaxy A40 is a bit better (93/100 vs 86/100).
| Specification | Redmi K80 Ultra | Samsung Galaxy A40 | |
|---|---|---|---|
| Processor | MediaTek Dimensity 9400+ | Samsung Exynos 7904 | |
| AnTuTu | 2876004 | 241600 | |
| Geekbench Single | 2729 | 330 | |
| Geekbench Multi | 8430 | 975 | |
| Display | 6.8" OLED | 5.9" AMOLED | |
| Resolution | 1280x2772 | — | |
| Refresh rate | 144 Hz | 60 Hz | |
| Battery | 7410 mAh | 3100 mAh | |
| Charging | 100W | — | |
| Main camera | 50 MP | 16 MP | |
| Ultrawide | 8 MP | 0 MP | |
| Front camera | 20 MP | 25 MP | |
| RAM | 12GB / 16GB | 4GB | |
| Storage | 256GB / 512GB / 1TB | 64GB | |
| OS | Android 15 | — | |
| Brightness (peak) | 3200 nits | — | |
| NFC | yes | yes | |
| Protection | IP68 | — | |
| Dimensions | — | 144.4×69.2×7.9 mm | |
| Weight | 219 g | 140 g | |
| Price | $350 | $250 |
Redmi K80 Ultra
- Main: 50MP f/f/1.9
- Ultrawide: 8MP
- Front: 20MP
Samsung Galaxy A40
- Main: 16MP
- Front: 25MP
Redmi K80 Ultra
- 6.8" OLED
- Resolution: 1280x2772
- Refresh rate: 144 Hz
Samsung Galaxy A40
- 5.9" AMOLED
- Refresh rate: 60 Hz
Redmi K80 Ultra
- 7410 mAh
- Wired: 100W
- No wireless charging
Samsung Galaxy A40
- 3100 mAh
- No wireless charging
We compared Redmi K80 Ultra and Samsung Galaxy A40, covering their specs and all relevant benchmarks.
Redmi K80 Ultra leads Samsung Galaxy A40 by 1090.4% in our overall performance rating.
Price difference: $100. Samsung Galaxy A40 is cheaper by $100.
performance
In the "performance" category, the Redmi K80 Ultra significantly outperforms the Samsung Galaxy A40 (61/100 vs 0/100).
display
In the "display" category, the Redmi K80 Ultra significantly outperforms the Samsung Galaxy A40 (100/100 vs 0/100).
camera
In the "camera" category, the Redmi K80 Ultra notably outperforms the Samsung Galaxy A40 (32/100 vs 8/100).
battery
In the "battery" category, the Redmi K80 Ultra significantly outperforms the Samsung Galaxy A40 (72/100 vs 0/100).
design
In the "design" category, the Samsung Galaxy A40 significantly outperforms the Redmi K80 Ultra (100/100 vs 26/100).
value for money
In the "value for money" category, the Samsung Galaxy A40 is a bit better (93/100 vs 86/100).
Which is better: the Redmi K80 Ultra or the Samsung Galaxy A40?
The Redmi K80 Ultra significantly outperforms the Samsung Galaxy A40 by 49 points (60/100 vs 11/100).
What is the rating of the Redmi K80 Ultra and the Samsung Galaxy A40?
The Redmi K80 Ultra has a MobileRank rating of 60/100, the Samsung Galaxy A40 — 11/100.
Which has the better camera: the Redmi K80 Ultra or the Samsung Galaxy A40?
The Redmi K80 Ultra leads on camera score (32/100 vs 8/100).
Which is more powerful: the Redmi K80 Ultra or the Samsung Galaxy A40?
The Redmi K80 Ultra leads on performance (61/100 vs 0/100).
Should you choose the Redmi K80 Ultra over the Samsung Galaxy A40?
The Redmi K80 Ultra is a better fit for active users, budget-conscious buyers. The Samsung Galaxy A40 is a better fit for budget-conscious buyers.