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 (3,119,308 vs 435,710).
Nokia X20
Redmi K90 Ultra
- Better main camera: 64MP vs 50MP
- Lighter: 220g vs 227g
- Cheaper at launch: $415 vs $420
- Better camera (47/100 vs 37/100)
- Higher AnTuTu: 3119308 vs 435710
- Better Geekbench Single: 3041 vs 689
- Better Geekbench Multi: 9494 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)
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 — 14/100, Redmi K90 Ultra — 82/100; 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 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).
| Specification | Nokia X20 | Redmi K90 Ultra | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 480 | Qualcomm Snapdragon 8 Elite | |
| AnTuTu | 435710 | 3119308 | |
| Geekbench Single | 689 | 3041 | |
| Geekbench Multi | 1597 | 9494 | |
| 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 |
Nokia X20
- Main: 64MP f/1.79
- Ultrawide: 5MP
- Front: 32MP
Redmi K90 Ultra
- Main: 50MP f/1.7
- Ultrawide: 8MP
- Front: 20MP
Nokia X20
- 6.7" IPS LCD
- Resolution: 2400x1080
- Refresh rate: 60 Hz
Redmi K90 Ultra
- 6.8" AMOLED
- Resolution: 1280x2772
- Refresh rate: 165 Hz
Nokia X20
- 4470 mAh
- Wired: 18W
- No wireless charging
Redmi K90 Ultra
- 8550 mAh
- Wired: 100W
- No wireless charging
We compared Nokia X20 and Redmi K90 Ultra, covering their specs and all relevant benchmarks.
Redmi K90 Ultra leads Nokia X20 by 86.0% in our overall performance rating.
Launch price difference: $5. Nokia X20 was $5 cheaper at launch.
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).
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 Nokia X20 is a better fit for everyday use. The Redmi K90 Ultra is a better fit for gamers and power users, those who care about battery life, budget-conscious buyers.