Nokia XR21 vs Redmi K90 Ultra
The Nokia XR21 (2023) runs on the Qualcomm Snapdragon 695 5G, while the Redmi K90 Ultra (2026) runs on the Qualcomm Snapdragon 8 Elite. 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 4800); the main camera is 64 MP vs 50 MP; the Redmi K90 Ultra is faster in AnTuTu (3,233,695 vs 592,015); the Redmi K90 Ultra is thinner (8.2mm vs 10.5mm).
Profile comparison
Category scores
Nokia XR21
Redmi K90 Ultra
What makes Nokia XR21 better?
- Better main camera: 64MP vs 50MP
- Better camera (43/100 vs 37/100)
What makes Redmi K90 Ultra better?
- Higher AnTuTu: 3233695 vs 592015
- Better Geekbench Single: 3013 vs 905
- Better Geekbench Multi: 9287 vs 2101
- Bigger battery: 8550 vs 4800 mAh
- Faster charging: 100W vs 33W
- Higher refresh rate: 165Hz vs 120Hz
- Lighter: 227g vs 231g
- Higher performance (92/100 vs 46/100)
- Longer battery life (78/100 vs 42/100)
- Better display (94/100 vs 67/100)
- Better portability (40/100 vs 24/100)
Comparison verdict
Comparing the Nokia XR21 vs the Redmi K90 Ultra, 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 46/100). In the "battery" category, the Redmi K90 Ultra leads (78/100 vs 42/100). In the "performance" category, the Redmi K90 Ultra significantly outperforms the Nokia XR21 (92/100 vs 46/100). In the "display" category, the Redmi K90 Ultra notably outperforms the Nokia XR21 (94/100 vs 67/100). In the "camera" category, the Nokia XR21 is a bit better (43/100 vs 37/100). In the "battery" category, the Redmi K90 Ultra significantly outperforms the Nokia XR21 (78/100 vs 42/100). In the "portability" category, the Redmi K90 Ultra notably outperforms the Nokia XR21 (40/100 vs 24/100).
Specs comparison
| Specification | Nokia XR21 | Redmi K90 Ultra | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 695 5G | Qualcomm Snapdragon 8 Elite | |
| AnTuTu | 592015 | 3233695 | |
| Geekbench Single | 905 | 3013 | |
| Geekbench Multi | 2101 | 9287 | |
| Display | 6.5" IPS LCD | 6.8" AMOLED | |
| Resolution | 1080x2400 | 1280x2772 | |
| Refresh rate | 120 Hz | 165 Hz | |
| Battery | 4800 mAh | 8550 mAh | |
| Charging | 33W | 100W | |
| Main camera | 64 MP | 50 MP | |
| Ultrawide | 8 MP | 8 MP | |
| Front camera | 16 MP | 20 MP | |
| RAM | 6GB | 12GB / 16GB | |
| Storage | 128GB | 256GB / 512GB | |
| OS | Android 12 | Android 16 | |
| Brightness (peak) | 550 nits | 3500 nits | |
| NFC | yes | yes | |
| Protection | IP68 | IP68/IP69 | |
| Dimensions | 168.0×78.6×10.5 mm | 162.9×77.9×8.2 mm | |
| Weight | 231 g | 227 g | |
| Launch price | — | $420 |
Camera comparison
Nokia XR21
- Main: 64MP f/1.8
- Ultrawide: 8MP
- Front: 16MP
Redmi K90 Ultra
- Main: 50MP f/1.7
- Ultrawide: 8MP
- Front: 20MP
Display comparison
Nokia XR21
- 6.5" IPS LCD
- Resolution: 1080x2400
- Refresh rate: 120 Hz
Redmi K90 Ultra
- 6.8" AMOLED
- Resolution: 1280x2772
- Refresh rate: 165 Hz
Battery and charging
Nokia XR21
- 4800 mAh
- Wired: 33W
- No wireless charging
Redmi K90 Ultra
- 8550 mAh
- Wired: 100W
- No wireless charging
Overall performance score
We compared Nokia XR21 and Redmi K90 Ultra, covering their specs and all relevant benchmarks.
Redmi K90 Ultra leads Nokia XR21 by 81.7% in our overall performance rating.
Benchmarks
Launch prices and where to check today's
Nokia XR21
Price unknownDetailed category analysis
performance
In the "performance" category, the Redmi K90 Ultra significantly outperforms the Nokia XR21 (92/100 vs 46/100).
display
In the "display" category, the Redmi K90 Ultra notably outperforms the Nokia XR21 (94/100 vs 67/100).
camera
In the "camera" category, the Nokia XR21 is a bit better (43/100 vs 37/100).
battery
In the "battery" category, the Redmi K90 Ultra significantly outperforms the Nokia XR21 (78/100 vs 42/100).
portability
In the "portability" category, the Redmi K90 Ultra notably outperforms the Nokia XR21 (40/100 vs 24/100).
Frequently asked questions
Which is better: the Nokia XR21 or the Redmi K90 Ultra?
The Redmi K90 Ultra significantly outperforms the Nokia XR21 by 27 points (73/100 vs 46/100).
What is the rating of the Nokia XR21 and the Redmi K90 Ultra?
The Nokia XR21 has a MobileRank rating of 46/100, the Redmi K90 Ultra — 73/100.
Which has the better camera: the Nokia XR21 or the Redmi K90 Ultra?
The Nokia XR21 leads on camera score (43/100 vs 37/100).
Which is more powerful: the Nokia XR21 or the Redmi K90 Ultra?
The Redmi K90 Ultra leads on performance (92/100 vs 46/100).
Should you choose the Nokia XR21 over the Redmi K90 Ultra?
The Redmi K90 Ultra is a better fit for gamers and power users, those who care about battery life.