Redmi K90 Ultra vs Samsung Galaxy A27 5G
The Redmi K90 Ultra (2026) runs on the Qualcomm Snapdragon 8 Elite, while the Samsung Galaxy A27 5G (2026) runs on the Exynos 1480; launch prices were $420 and $299. By overall MobileRank rating, the Redmi K90 Ultra leads — 73/100 vs 54/100 (a 19-point difference). Key differences: the Redmi K90 Ultra has the bigger battery (8550 mAh vs 5000); the Redmi K90 Ultra is faster in AnTuTu (3,233,695 vs 849,080); the Samsung Galaxy A27 5G is noticeably lighter (185g vs 227g).
Redmi K90 Ultra
Samsung Galaxy A27 5G
- Higher AnTuTu: 3233695 vs 849080
- Better Geekbench Single: 3041 vs 1140
- Better Geekbench Multi: 9494 vs 3346
- Bigger battery: 8550 vs 5000 mAh
- Faster charging: 100W vs 25W
- Higher refresh rate: 165Hz vs 120Hz
- Higher performance (92/100 vs 57/100)
- Better camera (37/100 vs 33/100)
- Longer battery life (78/100 vs 52/100)
- Better display (94/100 vs 79/100)
- Lighter: 185g vs 227g
- Cheaper at launch: $299 vs $420
- Better portability (74/100 vs 40/100)
Comparing the Redmi K90 Ultra vs the Samsung Galaxy A27 5G, the Redmi K90 Ultra scores 19 points higher (73/100 vs 54/100). In the "performance" category, the Redmi K90 Ultra leads (92/100 vs 57/100). In the "battery" category, the Redmi K90 Ultra leads (78/100 vs 52/100). Value score: Redmi K90 Ultra — 82/100, Samsung Galaxy A27 5G — 50/100; it is biased by price level, so it should not be compared directly between devices at different prices. In the "performance" category, the Redmi K90 Ultra significantly outperforms the Samsung Galaxy A27 5G (92/100 vs 57/100). In the "display" category, the Redmi K90 Ultra notably outperforms the Samsung Galaxy A27 5G (94/100 vs 79/100). In the "camera" category, the Redmi K90 Ultra and the Samsung Galaxy A27 5G are nearly equal (37/100 vs 33/100). In the "battery" category, the Redmi K90 Ultra notably outperforms the Samsung Galaxy A27 5G (78/100 vs 52/100). In the "portability" category, the Samsung Galaxy A27 5G significantly outperforms the Redmi K90 Ultra (74/100 vs 40/100).
| Specification | Redmi K90 Ultra | Samsung Galaxy A27 5G | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 8 Elite | Exynos 1480 | |
| AnTuTu | 3233695 | 849080 | |
| Geekbench Single | 3041 | 1140 | |
| Geekbench Multi | 9494 | 3346 | |
| Display | 6.8" AMOLED | 6.7" Super AMOLED | |
| Resolution | 1280x2772 | 2340x1080 | |
| Refresh rate | 165 Hz | 120 Hz | |
| Battery | 8550 mAh | 5000 mAh | |
| Charging | 100W | 25W | |
| Main camera | 50 MP | 50 MP | |
| Ultrawide | 8 MP | 5 MP | |
| Front camera | 20 MP | 13 MP | |
| RAM | 12GB / 16GB | 6GB / 8GB | |
| Storage | 256GB / 512GB | 128GB / 256GB | |
| OS | Android 16 | Android 16 / One UI 8 | |
| Brightness (peak) | 3500 nits | — | |
| NFC | yes | — | |
| Protection | IP68/IP69 | — | |
| Dimensions | 162.9×77.9×8.2 mm | — | |
| Weight | 227 g | 185 g | |
| Launch price | $420 | $299 |
Redmi K90 Ultra
- Main: 50MP f/1.7
- Ultrawide: 8MP
- Front: 20MP
Samsung Galaxy A27 5G
- Main: 50MP f/f/1.8
- Ultrawide: 5MP
- Front: 13MP
Redmi K90 Ultra
- 6.8" AMOLED
- Resolution: 1280x2772
- Refresh rate: 165 Hz
Samsung Galaxy A27 5G
- 6.7" Super AMOLED
- Resolution: 2340x1080
- Refresh rate: 120 Hz
Redmi K90 Ultra
- 8550 mAh
- Wired: 100W
- No wireless charging
Samsung Galaxy A27 5G
- 5000 mAh
- Wired: 25W
- Wireless charging: no data
We compared Redmi K90 Ultra and Samsung Galaxy A27 5G, covering their specs and all relevant benchmarks.
Redmi K90 Ultra leads Samsung Galaxy A27 5G by 280.8% in our overall performance rating.
Launch price difference: $121. Samsung Galaxy A27 5G was $121 cheaper at launch.
performance
In the "performance" category, the Redmi K90 Ultra significantly outperforms the Samsung Galaxy A27 5G (92/100 vs 57/100).
display
In the "display" category, the Redmi K90 Ultra notably outperforms the Samsung Galaxy A27 5G (94/100 vs 79/100).
camera
In the "camera" category, the Redmi K90 Ultra and the Samsung Galaxy A27 5G are nearly equal (37/100 vs 33/100).
battery
In the "battery" category, the Redmi K90 Ultra notably outperforms the Samsung Galaxy A27 5G (78/100 vs 52/100).
portability
In the "portability" category, the Samsung Galaxy A27 5G significantly outperforms the Redmi K90 Ultra (74/100 vs 40/100).
Which is better: the Redmi K90 Ultra or the Samsung Galaxy A27 5G?
The Redmi K90 Ultra is noticeably better than the Samsung Galaxy A27 5G — the overall rating gap is 19 points.
What is the rating of the Redmi K90 Ultra and the Samsung Galaxy A27 5G?
The Redmi K90 Ultra has a MobileRank rating of 73/100, the Samsung Galaxy A27 5G — 54/100.
Which is more powerful: the Redmi K90 Ultra or the Samsung Galaxy A27 5G?
The Redmi K90 Ultra leads on performance (92/100 vs 57/100).
Should you choose the Redmi K90 Ultra over the Samsung Galaxy A27 5G?
The Redmi K90 Ultra is a better fit for gamers and power users, those who care about battery life, budget-conscious buyers. The Samsung Galaxy A27 5G is a better fit for everyday use.