Nokia C21 vs Redmi K90

The Nokia C21 (2022) runs on the Unisoc, while the Redmi K90 (2025) runs on the Qualcomm Snapdragon 8 Elite. By overall MobileRank rating, the Redmi K90 leads — 68/100 vs 5/100 (a 63-point difference). Key differences: the Redmi K90 has the bigger battery (7100 mAh vs 3000); the main camera is 8 MP vs 50 MP; the Redmi K90 has NFC for contactless payments, the Nokia C21 doesn't.

The Redmi K90 significantly outperforms the Nokia C21 by 63 points (68/100 vs 5/100).
Profile comparison
Category scores
Nokia C21
Performance 0
Display 0
Camera 0
Battery 0
Design 56
Value for money 55
Redmi K90
Performance 69
Display 100
Camera 53
Battery 71
Design 42
Value for money 82
What makes Nokia C21 better?
  • Lighter: 195g vs 206g

  • Better design/ergonomics (56/100 vs 42/100)
What makes Redmi K90 better?
  • Bigger battery: 7100 vs 3000 mAh
  • Better main camera: 50MP vs 8MP

  • Higher performance (69/100 vs 0/100)
  • Better camera (53/100 vs 0/100)
  • Longer battery life (71/100 vs 0/100)
  • Better display (100/100 vs 0/100)
  • Better value for money (82/100 vs 55/100)
Comparison verdict

Comparing the Nokia C21 vs the Redmi K90, the Redmi K90 scores 63 points higher (68/100 vs 5/100). In the "performance" category, the Redmi K90 leads (69/100 vs 0/100). In the "camera" category, the Redmi K90 leads (53/100 vs 0/100). In the "battery" category, the Redmi K90 leads (71/100 vs 0/100). In the "value for money" category, the Redmi K90 leads (82/100 vs 55/100). In the "performance" category, the Redmi K90 significantly outperforms the Nokia C21 (69/100 vs 0/100). In the "display" category, the Redmi K90 significantly outperforms the Nokia C21 (100/100 vs 0/100). In the "camera" category, the Redmi K90 significantly outperforms the Nokia C21 (53/100 vs 0/100). In the "battery" category, the Redmi K90 significantly outperforms the Nokia C21 (71/100 vs 0/100). In the "design" category, the Nokia C21 is a bit better (56/100 vs 42/100). In the "value for money" category, the Redmi K90 notably outperforms the Nokia C21 (82/100 vs 55/100).

Nokia C21: The Nokia C21 is a better fit for everyday use.
Redmi K90: The Redmi K90 is a better fit for active users, budget-conscious buyers.
Specs comparison
Specification Nokia C21 Redmi K90
Processor Unisoc Qualcomm Snapdragon 8 Elite
AnTuTu 3088357
Geekbench Single 3050
Geekbench Multi 9300
Display 6.5" IPS LCD 6.6" AMOLED
Resolution 720x1600 2510x1156
Refresh rate 120 Hz
Battery 3000 mAh 7100 mAh
Charging 100W
Main camera 8 MP 50 MP
Ultrawide 0 MP 8 MP
Telephoto 0 MP 50 MP
Front camera 5 MP 20 MP
RAM 2GB / 3GB 12GB / 16GB
Storage 32GB / 64GB 256GB / 512GB
OS Android 11 (Go edition) Android 16
Brightness (peak) 3500 nits
NFC no yes
Protection IP68
Dimensions 169.9×77.9×8.8 mm 157.5×75.3×8.0 mm
Weight 195 g 206 g
Price $401
Camera comparison
Nokia C21
  • Main: 8MP
  • Front: 5MP
0
camera
Redmi K90
  • Main: 50MP f/f/1.9
  • Ultrawide: 8MP
  • Telephoto: 50MP
  • Front: 20MP
53
camera
Display comparison
Nokia C21
  • 6.5" IPS LCD
  • Resolution: 720x1600
  • Refresh rate: —
0
display
Redmi K90
  • 6.6" AMOLED
  • Resolution: 2510x1156
  • Refresh rate: 120 Hz
100
display
Battery and charging
Nokia C21
  • 3000 mAh
  • No wireless charging
0
battery
Redmi K90
  • 7100 mAh
  • Wired: 100W
  • No wireless charging
71
battery
Benchmarks
Price and availability
Nokia C21
Price unknown
Redmi K90
$401
Detailed category analysis
performance

In the "performance" category, the Redmi K90 significantly outperforms the Nokia C21 (69/100 vs 0/100).

display

In the "display" category, the Redmi K90 significantly outperforms the Nokia C21 (100/100 vs 0/100).

camera

In the "camera" category, the Redmi K90 significantly outperforms the Nokia C21 (53/100 vs 0/100).

battery

In the "battery" category, the Redmi K90 significantly outperforms the Nokia C21 (71/100 vs 0/100).

design

In the "design" category, the Nokia C21 is a bit better (56/100 vs 42/100).

value for money

In the "value for money" category, the Redmi K90 notably outperforms the Nokia C21 (82/100 vs 55/100).

Frequently asked questions
Which is better: the Nokia C21 or the Redmi K90?

The Redmi K90 significantly outperforms the Nokia C21 by 63 points (68/100 vs 5/100).

What is the rating of the Nokia C21 and the Redmi K90?

The Nokia C21 has a MobileRank rating of 5/100, the Redmi K90 — 68/100.

Which has the better camera: the Nokia C21 or the Redmi K90?

The Redmi K90 leads on camera score (53/100 vs 0/100).

Which is more powerful: the Nokia C21 or the Redmi K90?

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

Should you choose the Nokia C21 over the Redmi K90?

The Nokia C21 is a better fit for everyday use. The Redmi K90 is a better fit for active users, budget-conscious buyers.