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 — 75/100 vs 46/100 (a 29-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 (3,119,308 vs 592,015); the Redmi K90 Ultra is thinner (8.2mm vs 10.5mm).
Nokia XR21
Redmi K90 Ultra
- Better main camera: 64MP vs 50MP
- Better camera (43/100 vs 37/100)
- Higher AnTuTu: 3119308 vs 592015
- Better Geekbench Single: 3041 vs 905
- Better Geekbench Multi: 9494 vs 2003
- 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 (92/100 vs 42/100)
- Better display (94/100 vs 67/100)
- Better portability (40/100 vs 24/100)
Comparing the Nokia XR21 vs the Redmi K90 Ultra, the Redmi K90 Ultra scores 29 points higher (75/100 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 (92/100 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 (92/100 vs 42/100). In the "portability" category, the Redmi K90 Ultra notably outperforms the Nokia XR21 (40/100 vs 24/100).
| Specification | Nokia XR21 | Redmi K90 Ultra | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 695 5G | Qualcomm Snapdragon 8 Elite | |
| AnTuTu | 592015 | 3119308 | |
| Geekbench Single | 905 | 3041 | |
| Geekbench Multi | 2003 | 9494 | |
| 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 | |
| Price | — | $420 |
Nokia XR21
- Main: 64MP f/f/1.8
- Ultrawide: 8MP
- Front: 16MP
Redmi K90 Ultra
- Main: 50MP f/1.7
- Ultrawide: 8MP
- Front: 20MP
Nokia XR21
- 6.5" IPS LCD
- Resolution: 1080x2400
- Refresh rate: 120 Hz
Redmi K90 Ultra
- 6.8" AMOLED
- Resolution: 1280x2772
- Refresh rate: 165 Hz
Nokia XR21
- 4800 mAh
- Wired: 33W
- No wireless charging
Redmi K90 Ultra
- 8550 mAh
- Wired: 100W
- Wireless charging: no data
We compared Nokia XR21 and Redmi K90 Ultra, covering their specs and all relevant benchmarks.
Redmi K90 Ultra leads Nokia XR21 by 81.0% in our overall performance rating.
Nokia XR21
Price unknownperformance
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 (92/100 vs 42/100).
portability
In the "portability" category, the Redmi K90 Ultra notably outperforms the Nokia XR21 (40/100 vs 24/100).
Which is better: the Nokia XR21 or the Redmi K90 Ultra?
The Redmi K90 Ultra significantly outperforms the Nokia XR21 by 29 points (75/100 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 — 75/100.
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 Nokia XR21 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.