Nubia Air vs Redmi K90

The Nubia Air (2025) runs on the Unisoc T8300, while the Redmi K90 (2025) runs on the Qualcomm Snapdragon 8 Elite; estimated prices are $182 and $401. By overall MobileRank rating, the Redmi K90 leads — 68/100 vs 34/100 (a 34-point difference). Key differences: the Redmi K90 has the bigger battery (7100 mAh vs 5000); the Redmi K90 is faster in AnTuTu (3,088,357 vs 639,225); the Nubia Air is noticeably lighter (172g vs 206g).

The Redmi K90 significantly outperforms the Nubia Air by 34 points (68/100 vs 34/100).
Profile comparison
Category scores
Nubia Air
Performance 0
Display 100
Camera 29
Battery 39
Design 85
Value for money 97
Redmi K90
Performance 69
Display 100
Camera 53
Battery 71
Design 42
Value for money 82
What makes Nubia Air better?
  • Lighter: 172g vs 206g
  • Cheaper: $182 vs $401

  • Better design/ergonomics (85/100 vs 42/100)
  • Better value for money (97/100 vs 82/100)
What makes Redmi K90 better?
  • Higher AnTuTu: 3088357 vs 639225
  • Better Geekbench Single: 3050 vs 880
  • Better Geekbench Multi: 9300 vs 2073
  • Bigger battery: 7100 vs 5000 mAh
  • Faster charging: 100W vs 33W

  • Higher performance (69/100 vs 0/100)
  • Better camera (53/100 vs 29/100)
  • Longer battery life (71/100 vs 39/100)
Comparison verdict

Comparing the Nubia Air vs the Redmi K90, the Redmi K90 scores 34 points higher (68/100 vs 34/100). In the "performance" category, the Redmi K90 leads (69/100 vs 0/100). In the "camera" category, the Redmi K90 leads (53/100 vs 29/100). In the "battery" category, the Redmi K90 leads (71/100 vs 39/100). In the "value for money" category, the Nubia Air leads (97/100 vs 82/100). In the "performance" category, the Redmi K90 significantly outperforms the Nubia Air (69/100 vs 0/100). In the "display" category, both devices are on the same level — 100/100. In the "camera" category, the Redmi K90 notably outperforms the Nubia Air (53/100 vs 29/100). In the "battery" category, the Redmi K90 significantly outperforms the Nubia Air (71/100 vs 39/100). In the "design" category, the Nubia Air significantly outperforms the Redmi K90 (85/100 vs 42/100). In the "value for money" category, the Nubia Air notably outperforms the Redmi K90 (97/100 vs 82/100).

Nubia Air: The Nubia Air is a better fit for budget-conscious buyers.
Redmi K90: The Redmi K90 is a better fit for active users, budget-conscious buyers.
Specs comparison
Specification Nubia Air Redmi K90
Processor Unisoc T8300 Qualcomm Snapdragon 8 Elite
AnTuTu 639225 3088357
Geekbench Single 880 3050
Geekbench Multi 2073 9300
Display 6.8" AMOLED 6.6" AMOLED
Resolution 1224x2720 2510x1156
Refresh rate 120 Hz 120 Hz
Battery 5000 mAh 7100 mAh
Charging 33W 100W
Main camera 50 MP 50 MP
Ultrawide 0 MP 8 MP
Telephoto 0 MP 50 MP
Front camera 20 MP 20 MP
RAM 8GB 12GB / 16GB
Storage 256GB 256GB / 512GB
OS Android 15 Android 16
Brightness (peak) 4500 nits 3500 nits
NFC yes yes
Protection IP68 IP68
Dimensions 164.2×76.6×6.7 mm 157.5×75.3×8.0 mm
Weight 172 g 206 g
Price $182 $401
Camera comparison
Nubia Air
  • Main: 50MP f/f/1.6
  • Front: 20MP
29
camera
Redmi K90
  • Main: 50MP f/f/1.9
  • Ultrawide: 8MP
  • Telephoto: 50MP
  • Front: 20MP
53
camera
Display comparison
Nubia Air
  • 6.8" AMOLED
  • Resolution: 1224x2720
  • Refresh rate: 120 Hz
100
display
Redmi K90
  • 6.6" AMOLED
  • Resolution: 2510x1156
  • Refresh rate: 120 Hz
100
display
Battery and charging
Nubia Air
  • 5000 mAh
  • Wired: 33W
  • No wireless charging
39
battery
Redmi K90
  • 7100 mAh
  • Wired: 100W
  • No wireless charging
71
battery
Overall performance score

We compared Nubia Air and Redmi K90, covering their specs and all relevant benchmarks.

Nubia Air Unisoc T8300
34/100
639225 AnTuTu
Redmi K90 Qualcomm Snapdragon 8 Elite
68/100 +79.3%
3088357 AnTuTu

Redmi K90 leads Nubia Air by 79.3% in our overall performance rating.

Benchmarks
Price and availability
Nubia Air
$182
Redmi K90
$401

Price difference: $219. Nubia Air is cheaper by $219.

Detailed category analysis
performance

In the "performance" category, the Redmi K90 significantly outperforms the Nubia Air (69/100 vs 0/100).

display

In the "display" category, both devices are on the same level — 100/100.

camera

In the "camera" category, the Redmi K90 notably outperforms the Nubia Air (53/100 vs 29/100).

battery

In the "battery" category, the Redmi K90 significantly outperforms the Nubia Air (71/100 vs 39/100).

design

In the "design" category, the Nubia Air significantly outperforms the Redmi K90 (85/100 vs 42/100).

value for money

In the "value for money" category, the Nubia Air notably outperforms the Redmi K90 (97/100 vs 82/100).

Frequently asked questions
Which is better: the Nubia Air or the Redmi K90?

The Redmi K90 significantly outperforms the Nubia Air by 34 points (68/100 vs 34/100).

What is the rating of the Nubia Air and the Redmi K90?

The Nubia Air has a MobileRank rating of 34/100, the Redmi K90 — 68/100.

Which has the better camera: the Nubia Air or the Redmi K90?

The Redmi K90 leads on camera score (53/100 vs 29/100).

Which is more powerful: the Nubia Air or the Redmi K90?

The Redmi K90 leads on performance (69/100 vs 0/100).

Should you choose the Nubia Air over the Redmi K90?

The Nubia Air is a better fit for budget-conscious buyers. The Redmi K90 is a better fit for active users, budget-conscious buyers.