Nokia X20 vs Redmi K90 Ultra
The Nokia X20 (2021) runs on the Qualcomm Snapdragon 480, while the Redmi K90 Ultra (2026) runs on the Qualcomm Snapdragon 8 Elite; launch prices were $415 and $420. By overall MobileRank rating, the Redmi K90 Ultra leads — 73/100 vs 39/100 (a 34-point difference). Key differences: the Redmi K90 Ultra has the bigger battery (8550 mAh vs 4470); the main camera is 64 MP vs 50 MP; the Redmi K90 Ultra is faster in AnTuTu (3,233,695 vs 435,710).
Profile comparison
Category scores
Nokia X20
Redmi K90 Ultra
What makes Nokia X20 better?
- Better main camera: 64MP vs 50MP
- Lighter: 220g vs 227g
- Cheaper at launch: $415 vs $420
- Better camera (47/100 vs 37/100)
What makes Redmi K90 Ultra better?
- Higher AnTuTu: 3233695 vs 435710
- Better Geekbench Single: 3013 vs 689
- Better Geekbench Multi: 9287 vs 1597
- Bigger battery: 8550 vs 4470 mAh
- Faster charging: 100W vs 18W
- Higher refresh rate: 165Hz vs 60Hz
- Higher performance (92/100 vs 38/100)
- Longer battery life (78/100 vs 32/100)
- Better display (94/100 vs 42/100)
- Better portability (40/100 vs 36/100)
Comparison verdict
Comparing the Nokia X20 vs the Redmi K90 Ultra, the Redmi K90 Ultra scores 34 points higher (73/100 vs 39/100). In the "performance" category, the Redmi K90 Ultra leads (92/100 vs 38/100). In the "camera" category, the Nokia X20 leads (47/100 vs 37/100). In the "battery" category, the Redmi K90 Ultra leads (78/100 vs 32/100). Value score: Nokia X20 — 4/100, Redmi K90 Ultra — 72/100; it shows how far a model sits above or below the usual level for its price, and is not part of the overall rating. In the "performance" category, the Redmi K90 Ultra significantly outperforms the Nokia X20 (92/100 vs 38/100). In the "display" category, the Redmi K90 Ultra significantly outperforms the Nokia X20 (94/100 vs 42/100). In the "camera" category, the Nokia X20 is a bit better (47/100 vs 37/100). In the "battery" category, the Redmi K90 Ultra significantly outperforms the Nokia X20 (78/100 vs 32/100). In the "portability" category, the Redmi K90 Ultra and the Nokia X20 are nearly equal (40/100 vs 36/100).
Specs comparison
| Specification | Nokia X20 | Redmi K90 Ultra | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 480 | Qualcomm Snapdragon 8 Elite | |
| AnTuTu | 435710 | 3233695 | |
| Geekbench Single | 689 | 3013 | |
| Geekbench Multi | 1597 | 9287 | |
| Display | 6.7" IPS LCD | 6.8" AMOLED | |
| Resolution | 2400x1080 | 1280x2772 | |
| Refresh rate | 60 Hz | 165 Hz | |
| Battery | 4470 mAh | 8550 mAh | |
| Charging | 18W | 100W | |
| Main camera | 64 MP | 50 MP | |
| Ultrawide | 5 MP | 8 MP | |
| Front camera | 32 MP | 20 MP | |
| RAM | 6GB / 8GB | 12GB / 16GB | |
| Storage | 128GB | 256GB / 512GB | |
| OS | Android 11 | Android 16 | |
| Brightness (peak) | 450 nits | 3500 nits | |
| NFC | yes | yes | |
| Protection | — | IP68/IP69 | |
| Dimensions | 168.9×79.7×9.1 mm | 162.9×77.9×8.2 mm | |
| Weight | 220 g | 227 g | |
| Launch price | $415 | $420 |
Camera comparison
Nokia X20
- Main: 64MP f/1.79
- Ultrawide: 5MP
- Front: 32MP
Redmi K90 Ultra
- Main: 50MP f/1.7
- Ultrawide: 8MP
- Front: 20MP
Display comparison
Nokia X20
- 6.7" IPS LCD
- Resolution: 2400x1080
- Refresh rate: 60 Hz
Redmi K90 Ultra
- 6.8" AMOLED
- Resolution: 1280x2772
- Refresh rate: 165 Hz
Battery and charging
Nokia X20
- 4470 mAh
- Wired: 18W
- No wireless charging
Redmi K90 Ultra
- 8550 mAh
- Wired: 100W
- No wireless charging
Overall performance score
We compared Nokia X20 and Redmi K90 Ultra, covering their specs and all relevant benchmarks.
Redmi K90 Ultra leads Nokia X20 by 86.5% in our overall performance rating.
Benchmarks
Launch prices and where to check today's
Launch price difference: $5. Nokia X20 was $5 cheaper at launch.
Detailed category analysis
performance
In the "performance" category, the Redmi K90 Ultra significantly outperforms the Nokia X20 (92/100 vs 38/100).
display
In the "display" category, the Redmi K90 Ultra significantly outperforms the Nokia X20 (94/100 vs 42/100).
camera
In the "camera" category, the Nokia X20 is a bit better (47/100 vs 37/100).
battery
In the "battery" category, the Redmi K90 Ultra significantly outperforms the Nokia X20 (78/100 vs 32/100).
portability
In the "portability" category, the Redmi K90 Ultra and the Nokia X20 are nearly equal (40/100 vs 36/100).
Frequently asked questions
Which is better: the Nokia X20 or the Redmi K90 Ultra?
The Redmi K90 Ultra significantly outperforms the Nokia X20 by 34 points (73/100 vs 39/100).
What is the rating of the Nokia X20 and the Redmi K90 Ultra?
The Nokia X20 has a MobileRank rating of 39/100, the Redmi K90 Ultra — 73/100.
Which has the better camera: the Nokia X20 or the Redmi K90 Ultra?
The Nokia X20 leads on camera score (47/100 vs 37/100).
Which is more powerful: the Nokia X20 or the Redmi K90 Ultra?
The Redmi K90 Ultra leads on performance (92/100 vs 38/100).
Should you choose the Nokia X20 over the Redmi K90 Ultra?
The Redmi K90 Ultra is a better fit for gamers and power users, those who care about battery life.