Nubia Red Magic 6 vs Redmi K90 Ultra
The Nubia Red Magic 6 (2021) runs on the Qualcomm Snapdragon 888, while the Redmi K90 Ultra (2026) runs on the Qualcomm Snapdragon 8 Elite; launch prices were $500 and $420. By overall MobileRank rating, the Redmi K90 Ultra leads — 73/100 vs 58/100 (a 15-point difference). Key differences: the Redmi K90 Ultra has the bigger battery (8550 mAh vs 5050); the main camera is 64 MP vs 50 MP; the Redmi K90 Ultra is faster in AnTuTu (3,119,308 vs 1,119,714); the Redmi K90 Ultra is thinner (8.2mm vs 9.7mm).
Nubia Red Magic 6
Redmi K90 Ultra
- Better main camera: 64MP vs 50MP
- Lighter: 220g vs 227g
- Better camera (41/100 vs 37/100)
- Higher AnTuTu: 3119308 vs 1119714
- Better Geekbench Single: 3041 vs 1488
- Better Geekbench Multi: 9494 vs 3373
- Bigger battery: 8550 vs 5050 mAh
- Faster charging: 100W vs 66W
- Cheaper at launch: $420 vs $500
- Higher performance (92/100 vs 63/100)
- Longer battery life (78/100 vs 54/100)
- Better display (94/100 vs 89/100)
- Better portability (40/100 vs 32/100)
Comparing the Nubia Red Magic 6 vs the Redmi K90 Ultra, the Redmi K90 Ultra scores 15 points higher (73/100 vs 58/100). In the "performance" category, the Redmi K90 Ultra leads (92/100 vs 63/100). In the "battery" category, the Redmi K90 Ultra leads (78/100 vs 54/100). Value score: Nubia Red Magic 6 — 42/100, 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 notably outperforms the Nubia Red Magic 6 (92/100 vs 63/100). In the "display" category, the Redmi K90 Ultra is a bit better (94/100 vs 89/100). In the "camera" category, the Nubia Red Magic 6 and the Redmi K90 Ultra are nearly equal (41/100 vs 37/100). In the "battery" category, the Redmi K90 Ultra notably outperforms the Nubia Red Magic 6 (78/100 vs 54/100). In the "portability" category, the Redmi K90 Ultra is a bit better (40/100 vs 32/100).
| Specification | Nubia Red Magic 6 | Redmi K90 Ultra | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 888 | Qualcomm Snapdragon 8 Elite | |
| AnTuTu | 1119714 | 3119308 | |
| Geekbench Single | 1488 | 3041 | |
| Geekbench Multi | 3373 | 9494 | |
| Display | 6.8" AMOLED | 6.8" AMOLED | |
| Resolution | 2400x1080 | 1280x2772 | |
| Refresh rate | 165 Hz | 165 Hz | |
| Battery | 5050 mAh | 8550 mAh | |
| Charging | 66W | 100W | |
| Main camera | 64 MP | 50 MP | |
| Ultrawide | 8 MP | 8 MP | |
| Front camera | 8 MP | 20 MP | |
| RAM | 8GB / 12GB | 12GB / 16GB | |
| Storage | 128GB / 256GB | 256GB / 512GB | |
| OS | Android 11 | Android 16 | |
| Brightness (peak) | 630 nits | 3500 nits | |
| NFC | yes | yes | |
| Protection | — | IP68/IP69 | |
| Dimensions | 169.9×77.2×9.7 mm | 162.9×77.9×8.2 mm | |
| Weight | 220 g | 227 g | |
| Launch price | $500 | $420 |
Nubia Red Magic 6
- Main: 64MP f/f/1.8
- Ultrawide: 8MP
- Front: 8MP
Redmi K90 Ultra
- Main: 50MP f/1.7
- Ultrawide: 8MP
- Front: 20MP
Nubia Red Magic 6
- 6.8" AMOLED
- Resolution: 2400x1080
- Refresh rate: 165 Hz
Redmi K90 Ultra
- 6.8" AMOLED
- Resolution: 1280x2772
- Refresh rate: 165 Hz
Nubia Red Magic 6
- 5050 mAh
- Wired: 66W
- No wireless charging
Redmi K90 Ultra
- 8550 mAh
- Wired: 100W
- No wireless charging
We compared Nubia Red Magic 6 and Redmi K90 Ultra, covering their specs and all relevant benchmarks.
Redmi K90 Ultra leads Nubia Red Magic 6 by 64.1% in our overall performance rating.
Launch price difference: $80. Redmi K90 Ultra was $80 cheaper at launch.
performance
In the "performance" category, the Redmi K90 Ultra notably outperforms the Nubia Red Magic 6 (92/100 vs 63/100).
display
In the "display" category, the Redmi K90 Ultra is a bit better (94/100 vs 89/100).
camera
In the "camera" category, the Nubia Red Magic 6 and the Redmi K90 Ultra are nearly equal (41/100 vs 37/100).
battery
In the "battery" category, the Redmi K90 Ultra notably outperforms the Nubia Red Magic 6 (78/100 vs 54/100).
portability
In the "portability" category, the Redmi K90 Ultra is a bit better (40/100 vs 32/100).
Which is better: the Nubia Red Magic 6 or the Redmi K90 Ultra?
The Redmi K90 Ultra is noticeably better than the Nubia Red Magic 6 — the overall rating gap is 15 points.
What is the rating of the Nubia Red Magic 6 and the Redmi K90 Ultra?
The Nubia Red Magic 6 has a MobileRank rating of 58/100, the Redmi K90 Ultra — 73/100.
Which is more powerful: the Nubia Red Magic 6 or the Redmi K90 Ultra?
The Redmi K90 Ultra leads on performance (92/100 vs 63/100).
Should you choose the Nubia Red Magic 6 over the Redmi K90 Ultra?
The Nubia Red Magic 6 is a better fit for active users. The Redmi K90 Ultra is a better fit for gamers and power users, those who care about battery life, budget-conscious buyers.