Redmi K90 Ultra vs Samsung Galaxy A23
The Redmi K90 Ultra (2026) runs on the Qualcomm Snapdragon 8 Elite, while the Samsung Galaxy A23 (2022) runs on the Qualcomm Snapdragon 680; launch prices were $420 and $219. By overall MobileRank rating, the Redmi K90 Ultra leads — 73/100 vs 38/100 (a 35-point difference). Key differences: the Redmi K90 Ultra has the bigger battery (8550 mAh vs 5000); the Redmi K90 Ultra is faster in AnTuTu (3,119,308 vs 421,228); the Samsung Galaxy A23 is noticeably lighter (195g vs 227g).
Redmi K90 Ultra
Samsung Galaxy A23
- Higher AnTuTu: 3119308 vs 421228
- Better Geekbench Single: 3041 vs 412
- Better Geekbench Multi: 9494 vs 1410
- Bigger battery: 8550 vs 5000 mAh
- Faster charging: 100W vs 25W
- Higher refresh rate: 165Hz vs 90Hz
- Higher performance (92/100 vs 31/100)
- Better camera (37/100 vs 32/100)
- Longer battery life (78/100 vs 44/100)
- Better display (94/100 vs 54/100)
- Lighter: 195g vs 227g
- Cheaper at launch: $219 vs $420
- Better portability (57/100 vs 40/100)
Comparing the Redmi K90 Ultra vs the Samsung Galaxy A23, the Redmi K90 Ultra scores 35 points higher (73/100 vs 38/100). In the "performance" category, the Redmi K90 Ultra leads (92/100 vs 31/100). In the "battery" category, the Redmi K90 Ultra leads (78/100 vs 44/100). Value score: Redmi K90 Ultra — 82/100, Samsung Galaxy A23 — 36/100; 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 A23 (92/100 vs 31/100). In the "display" category, the Redmi K90 Ultra significantly outperforms the Samsung Galaxy A23 (94/100 vs 54/100). In the "camera" category, the Redmi K90 Ultra is a bit better (37/100 vs 32/100). In the "battery" category, the Redmi K90 Ultra significantly outperforms the Samsung Galaxy A23 (78/100 vs 44/100). In the "portability" category, the Samsung Galaxy A23 notably outperforms the Redmi K90 Ultra (57/100 vs 40/100).
| Specification | Redmi K90 Ultra | Samsung Galaxy A23 | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 8 Elite | Qualcomm Snapdragon 680 | |
| AnTuTu | 3119308 | 421228 | |
| Geekbench Single | 3041 | 412 | |
| Geekbench Multi | 9494 | 1410 | |
| Display | 6.8" AMOLED | 6.6" IPS LCD | |
| Resolution | 1280x2772 | 2408x1080 | |
| Refresh rate | 165 Hz | 90 Hz | |
| Battery | 8550 mAh | 5000 mAh | |
| Charging | 100W | 25W | |
| Main camera | 50 MP | 50 MP | |
| Ultrawide | 8 MP | 5 MP | |
| Front camera | 20 MP | 8 MP | |
| RAM | 12GB / 16GB | 4GB / 6GB / 8GB | |
| Storage | 256GB / 512GB | 64GB / 128GB | |
| OS | Android 16 | Android 12 | |
| Brightness (peak) | 3500 nits | — | |
| NFC | yes | yes | |
| Protection | IP68/IP69 | — | |
| Dimensions | 162.9×77.9×8.2 mm | 164.5×76.9×8.4 mm | |
| Weight | 227 g | 195 g | |
| Launch price | $420 | $219 |
Redmi K90 Ultra
- Main: 50MP f/1.7
- Ultrawide: 8MP
- Front: 20MP
Samsung Galaxy A23
- Main: 50MP f/1.8
- Ultrawide: 5MP
- Front: 8MP
Redmi K90 Ultra
- 6.8" AMOLED
- Resolution: 1280x2772
- Refresh rate: 165 Hz
Samsung Galaxy A23
- 6.6" IPS LCD
- Resolution: 2408x1080
- Refresh rate: 90 Hz
Redmi K90 Ultra
- 8550 mAh
- Wired: 100W
- No wireless charging
Samsung Galaxy A23
- 5000 mAh
- Wired: 25W
- No wireless charging
We compared Redmi K90 Ultra and Samsung Galaxy A23, covering their specs and all relevant benchmarks.
Redmi K90 Ultra leads Samsung Galaxy A23 by 640.5% in our overall performance rating.
Launch price difference: $201. Samsung Galaxy A23 was $201 cheaper at launch.
performance
In the "performance" category, the Redmi K90 Ultra significantly outperforms the Samsung Galaxy A23 (92/100 vs 31/100).
display
In the "display" category, the Redmi K90 Ultra significantly outperforms the Samsung Galaxy A23 (94/100 vs 54/100).
camera
In the "camera" category, the Redmi K90 Ultra is a bit better (37/100 vs 32/100).
battery
In the "battery" category, the Redmi K90 Ultra significantly outperforms the Samsung Galaxy A23 (78/100 vs 44/100).
portability
In the "portability" category, the Samsung Galaxy A23 notably outperforms the Redmi K90 Ultra (57/100 vs 40/100).
Which is better: the Redmi K90 Ultra or the Samsung Galaxy A23?
The Redmi K90 Ultra significantly outperforms the Samsung Galaxy A23 by 35 points (73/100 vs 38/100).
What is the rating of the Redmi K90 Ultra and the Samsung Galaxy A23?
The Redmi K90 Ultra has a MobileRank rating of 73/100, the Samsung Galaxy A23 — 38/100.
Which has the better camera: the Redmi K90 Ultra or the Samsung Galaxy A23?
The Redmi K90 Ultra leads on camera score (37/100 vs 32/100).
Which is more powerful: the Redmi K90 Ultra or the Samsung Galaxy A23?
The Redmi K90 Ultra leads on performance (92/100 vs 31/100).
Should you choose the Redmi K90 Ultra over the Samsung Galaxy A23?
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 A23 is a better fit for everyday use.