Redmi K90 Ultra vs Samsung Galaxy A52
The Redmi K90 Ultra (2026) runs on the Qualcomm Snapdragon 8 Elite, while the Samsung Galaxy A52 (2021) runs on the Qualcomm Snapdragon 720G; launch prices were $420 and $400. By overall MobileRank rating, the Redmi K90 Ultra leads — 73/100 vs 46/100 (a 27-point difference). Key differences: the Redmi K90 Ultra has the bigger battery (8550 mAh vs 4500); the main camera is 50 MP vs 64 MP; the Redmi K90 Ultra is faster in AnTuTu (3,233,695 vs 514,398); the Samsung Galaxy A52 is noticeably lighter (189g vs 227g).
Redmi K90 Ultra
Samsung Galaxy A52
- Higher AnTuTu: 3233695 vs 514398
- Better Geekbench Single: 3041 vs 746
- Better Geekbench Multi: 9494 vs 1762
- Bigger battery: 8550 vs 4500 mAh
- Higher refresh rate: 165Hz vs 90Hz
- Higher performance (92/100 vs 41/100)
- Longer battery life (78/100 vs 39/100)
- Better display (94/100 vs 68/100)
- Better main camera: 64MP vs 50MP
- Lighter: 189g vs 227g
- Cheaper at launch: $400 vs $420
- Better camera (45/100 vs 37/100)
- Better portability (61/100 vs 40/100)
Comparing the Redmi K90 Ultra vs the Samsung Galaxy A52, the Redmi K90 Ultra scores 27 points higher (73/100 vs 46/100). In the "performance" category, the Redmi K90 Ultra leads (92/100 vs 41/100). In the "battery" category, the Redmi K90 Ultra leads (78/100 vs 39/100). Value score: Redmi K90 Ultra — 82/100, Samsung Galaxy A52 — 30/100; 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 A52 (92/100 vs 41/100). In the "display" category, the Redmi K90 Ultra notably outperforms the Samsung Galaxy A52 (94/100 vs 68/100). In the "camera" category, the Samsung Galaxy A52 is a bit better (45/100 vs 37/100). In the "battery" category, the Redmi K90 Ultra significantly outperforms the Samsung Galaxy A52 (78/100 vs 39/100). In the "portability" category, the Samsung Galaxy A52 notably outperforms the Redmi K90 Ultra (61/100 vs 40/100).
| Specification | Redmi K90 Ultra | Samsung Galaxy A52 | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 8 Elite | Qualcomm Snapdragon 720G | |
| AnTuTu | 3233695 | 514398 | |
| Geekbench Single | 3041 | 746 | |
| Geekbench Multi | 9494 | 1762 | |
| Display | 6.8" AMOLED | 6.5" AMOLED | |
| Resolution | 1280x2772 | — | |
| Refresh rate | 165 Hz | 90 Hz | |
| Battery | 8550 mAh | 4500 mAh | |
| Charging | 100W | — | |
| Main camera | 50 MP | 64 MP | |
| Ultrawide | 8 MP | 0 MP | |
| Front camera | 20 MP | 32 MP | |
| RAM | 12GB / 16GB | 4GB / 6GB / 8GB | |
| Storage | 256GB / 512GB | 128GB / 256GB | |
| OS | Android 16 | — | |
| Brightness (peak) | 3500 nits | 800 nits | |
| NFC | yes | yes | |
| Protection | IP68/IP69 | IP67 | |
| Dimensions | 162.9×77.9×8.2 mm | 159.9×75.1×8.4 mm | |
| Weight | 227 g | 189 g | |
| Launch price | $420 | $400 |
Redmi K90 Ultra
- Main: 50MP f/1.7
- Ultrawide: 8MP
- Front: 20MP
Samsung Galaxy A52
- Main: 64MP
- Front: 32MP
Redmi K90 Ultra
- 6.8" AMOLED
- Resolution: 1280x2772
- Refresh rate: 165 Hz
Samsung Galaxy A52
- 6.5" AMOLED
- Refresh rate: 90 Hz
Redmi K90 Ultra
- 8550 mAh
- Wired: 100W
- No wireless charging
Samsung Galaxy A52
- 4500 mAh
- No wireless charging
We compared Redmi K90 Ultra and Samsung Galaxy A52, covering their specs and all relevant benchmarks.
Redmi K90 Ultra leads Samsung Galaxy A52 by 528.6% in our overall performance rating.
Launch price difference: $20. Samsung Galaxy A52 was $20 cheaper at launch.
performance
In the "performance" category, the Redmi K90 Ultra significantly outperforms the Samsung Galaxy A52 (92/100 vs 41/100).
display
In the "display" category, the Redmi K90 Ultra notably outperforms the Samsung Galaxy A52 (94/100 vs 68/100).
camera
In the "camera" category, the Samsung Galaxy A52 is a bit better (45/100 vs 37/100).
battery
In the "battery" category, the Redmi K90 Ultra significantly outperforms the Samsung Galaxy A52 (78/100 vs 39/100).
portability
In the "portability" category, the Samsung Galaxy A52 notably outperforms the Redmi K90 Ultra (61/100 vs 40/100).
Which is better: the Redmi K90 Ultra or the Samsung Galaxy A52?
The Redmi K90 Ultra significantly outperforms the Samsung Galaxy A52 by 27 points (73/100 vs 46/100).
What is the rating of the Redmi K90 Ultra and the Samsung Galaxy A52?
The Redmi K90 Ultra has a MobileRank rating of 73/100, the Samsung Galaxy A52 — 46/100.
Which has the better camera: the Redmi K90 Ultra or the Samsung Galaxy A52?
The Samsung Galaxy A52 leads on camera score (45/100 vs 37/100).
Which is more powerful: the Redmi K90 Ultra or the Samsung Galaxy A52?
The Redmi K90 Ultra leads on performance (92/100 vs 41/100).
Should you choose the Redmi K90 Ultra over the Samsung Galaxy A52?
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 A52 is a better fit for everyday use.